Prabir K. Patra

Profile

Prabir K. Patra

R&D Center for Global Change (RCGC),
Inst. of Arctic Climate and Environment Research (IACE),
Project Team for Advanced Climate Modeling (ACMPT)

Senior Scientist

Address

Japan Agency for Marine-Earth Science and Technology (JAMSTEC)
Yokohama Institute for Earth Sciences (YES)
3173-25 Showa-machi, Kanazawa-ku, Yokohama City, Kanagawa, 236-0001, Japan
TEL:+81-(0)45-778-5727; FAX:+81-(0)45-778-5706

ORCID iD iconorcid.org/0000-0001-5700-9389

Curriculum Vitae

Research Experience

Professional Activity

Education

Research area

  • 1. Numerical modelling of greenhouse gases (GHGs) and ozone depleting substances (ODSs) by ACTM
  • 2. Estimations of spatial and temporal distributions of sources/sinks of CO2, CH4, N2O and others
  • 3. In situ and remote sensing measurement strategies for improved surface source/sink inversion
  • 4. Gas chromatographic measurements of minor constituents using balloons, ships, flask sampling systems
  • 5. Study of chemistry and dynamics of the tropical stratosphere using measurements and models
  • 6. Application of statistical analysis (e.g., PCA, DFA) to the large volume atmospheric data sets
  • 7. Use of global and regional numerical weather prediction models for the simulation of tropical cyclones

List of Publications

Reviewed Journal

  • 115. Gaubert, B., B. B. Stephens, S. Basu, F. Chevallier, F. Deng, E.A. Kort, P. K. Patra, W. Peters, C. Rodenbeck, T. Saeki, D. Schimel, I. Van der Laan-Luijkx, S. Wofsy, and Y. Yin, Global atmospheric CO2 inverse models converging on neutral tropical land exchange but diverging on fossil fuel and atmospheric growth rate, Biogeosciences (discuss) , in review, 2018. (PDF) (Open Access)
  • 114. Calle, L., B. Poulter, and P. K. Patra, A time-series segmentation method for characterizing satellite-derived XCO2 seasonal cycles and evaluation of ecosystem model simulations, J. Geophys. Res., in review, 2018. (PDF) (Copyright AGU)
  • 113. Sawlani, R., R. Agnihotri, C. Sharma, P. K. Patra, A. P. Dimri, K. Ram, and R. Verma, Emissions from biomass burning and local sources shaped the 'Great Delhi SMOG' of November 2016, ., in review, 2018. (PDF) (Copyright Elsevier)
  • 112. Mukherjee, S., K. Chandrasekar, P. Lohani, K. Kumar, P. K. Patra, and K. Ishijima, Investigation of scale interaction between rainfall and ecosystem carbon exchange of Western Himalayan Pine dominated vegetation, Biogeosciences (discuss) , in review, 2018. (PDF) (Open Access)
  • 111. Patra, P. K., M. Takigawa, Shingo Watanabe, N. Chandra, K. Ishijima, Improved Chemical Tracer Simulation by MIROC4.0-based Atmospheric Chemistry-Transport Model (MIROC4-ACTM), SOLA, 14, 91-96, 2018. (PDF) (Copyright MSJ)
  • 110. Kondo, M., K. Ichii, P. K. Patra, B. Poulter, L. Calle, C. Koven, T. A. M. Pugh, E. Kato, A. Harper, S. Zaehle, A. Wiltshire, Plant regrowth as a driver of recent enhancement of terrestrial CO2 uptake, Geophys. Res. Lett., doi:10.1029/2018GL077633, 2018. (PDF) (Copyright AGU)
  • 109. Basu, S., D. F. Baker, F. Chevallier, P. K. Patra, J. Liu and J. B. Miller, The impact of transport model differences on CO2 surface flux estimates from OCO-2 retrievals of column average CO2, Atmos. Chem. Phys., 18, 7189-7215, 2018. (PDF) (Open Access)
  • 108. Fujita, R., S. Morimoto, T. Umezawa, K. Ishijima, P. K. Patra, D. E. J. Worthy, D. Goto, S. Aoki, and T. Nakazawa, Temporal variations of the mole fraction, carbon and hydrogen isotope ratios of atmospheric methane in the Hudson Bay Lowlands, Canada, J. Geophys. Res., doi:10.1002/2017JD027972, 2018. (PDF) (Copyright AGU)
  • 107. Kondo, M., K. Ichii, P. K. Patra, J. G. Canadell, B. Poulter, T. Saeki, L. Calle, N. Saigusa, S. Sitch, P. Friedlingstein, A. Arneth, A. Harper, E. Kato, C. Koven, T. A. M. Pugh, S. Zaehle, A. Wiltshire, F. Chevallier, T. Maki, T. Nakamura, Y. Niwa, and C. Rödenbeck, Land use change and El Niño-Southern Oscillation drive decadal carbon balance shifts in Southeast Asia, Nature Comm., 9, doi: 10.1038/s41467-018-03374-x, 2018. (PDF) (Copyright NPG)
  • 106. Krol, M., M. de Bruine, L. Killaars, H. Ouwersloot, A. Pozzer, Y. Yin, F. Chevallier, P. Bousquet, P. K. Patra, D. Belikov, S. Maksyutov, S. Dhomse, W. Feng, and M. P. Chipperfield, Age of Air as a diagnostic for transport time-scales in global models, Geosci. Model Devel. (Discuss), in review, 2017. (PDF) (Open Access)
  • 105. Oo, A. Z., S. Sudo, K. Inubushi, M. Mano, A. Yamamoto, K. Ono, T. Osawa, S. Hayashida, P. K. Patra, Y. Terao, P. Elayakumar, K. Vanitha, C. Umamageswari, P. Jothimani, and V. Ravi, Methane and nitrous oxide emissions from conventional and modified rice cultivation systems in South India, Agri., Ecosys. Environ., 252, 148-158, 2018. (PDF) (Copyright Elsevier)
  • 104. Takata, K., P. K. Patra, A. Kotani, J. Mori, D. Belikov, K. Ichii, T. Saeki, T. Ohta, K. Saito, M. Ueyama, A. Ito, S. Maksyutov, S. Miyazaki, E. J. Burke, A. Ganshin, Y. Iijima, T. Ise, H. Machiya, T. C. Maximov, Y. Niwa, R. O'ishi, H. Park, T. Sasai, H. Sato, S. Tei, R. Zhuravlev, T. Machida, A. Sugimoto, and S. Aoki, Reconciliation of top-down and bottom-up CO2 fluxes in Siberia larch forest, Environ. Res. Lett., doi: 10.1088/1748-9326/aa926d, 2017. (PDF) (Copyright IOP)
  • 103. Sasakawa, M., T. Machida, K. Ishijima, A. Ito, M. Arshinov, P. K. Patra, S. Aoki, and V. Petrov, Temporal characteristics of CH4 vertical profiles observed in the West Siberian Lowland over Surgut from 1993 to 2015 and Novosibirsk from 1997 to 2015, J. Geophys. Res., doi: 10.1002/2017JD026836, 2017. (PDF) (Copyright AGU)
  • 102. Chandra, N., S. Hayashida, T. Saeki and P. K. Patra, What controls the seasonal cycle of columnar methane observed by GOSAT over different regions in India?, Atmos. Chem. Phys., 12633-12643, 2017. (PDF) (Open Access)
  • 101. Patra, P. K., D. Crisp, J. W. Kaiser, D. Wunch, T. Saeki, K. Ichii, T. Sekiya, P. O. Wennberg, D. G. Feist, D. Pollard, D. W. T. Griffith, V. A. Velazco, M. De Maziere, M. K. Sha, C. Roehl, A. Chatterjee, and K. Ishijima, Orbiting carbon observatory (OCO-2) tracks 2-3 peta-grams increase of carbon release to the atmosphere during the 2014-2016 El Niño, Sci. Rep., doi: 10.1038/s41598-017-13459-0, 2017. (PDF) (Copyright NPG)
  • 100. Patra, P. K., モデル解析を基にした温室効果気体の全球規模循環に関する研究 -2016年度堀内賞受賞記念講演-, (Study of the global cycle of greenhouse gases using atmospheric chemistry-transport model) Tenki, 64, 769-785, 2017. (PDF) (Copyright MSJ)
  • 99. Saunois, M., Bousquet, P., Poulter, B., Peregon, A., Ciais, P., Canadell, J. G., Dlugokencky, E. J., Etiope, G., Bastviken, D., Houweling, S., Janssens-Maenhout, G., Tubiello, F. N., Castaldi, S., Jackson, R. B., Alexe, M., Arora, V. K., Beerling, D. J., Bergamaschi, P., Blake, D. R., Brailsford, G., Brovkin, V., Bruhwiler, L., Crevoisier, C., Crill, P., Curry, C., Frankenberg, C., Gedney, N., Höglund-Isaksson, L., Ishizawa, M., Ito, A., Joos, F., Kim, H.-S., Kleinen, T., Krummel, P., Lamarque, J.-F., Langenfelds, R., Locatelli, R., Machida, T., Maksyutov, S., McDonald, K. C., Marshall, J., Melton, J. R., Morino, I., O'Doherty, S., Parmentier, F.-J. W., Patra, P. K., Peng, C., Peng, S., Peters, G. P., Pison, I., Prigent, C., Prinn, R., Ramonet, M., Riley, W. J., Saito, M., Schroder, R., Simpson, I. J., Spahni, R., Steele, P., Takizawa, A., Thorton, B. F., Tian, H., Tohjima, Y., Viovy, N., Voulgarakis, A., van Weele, M., van der Werf, G., Weiss, R., Wiedinmyer, C., Wilton, D. J., Wiltshire, A., Worthy, D., Wunch, D. B., Xu, X., Yoshida, Y., Zhang, B., Zhang, Z., and Zhu, Q.: Variability and quasi-decadal changes in the methane budget over the period 2000-2012, Atmos. Chem. Phys., 17, 11135-11161, 2017. (PDF) (Open Access)
  • 98. Saeki, T., and P. K. Patra, Implications of overestimated anthropogenic CO2 emissions on East Asian and global land CO2 flux inversion, Geoscience Lett., 4:9, 2017. (PDF) (Springer Open)
  • 97. Bruhwiler, L. M., S. Basu, P. Bergamaschi, P. Bousquet, E. Dlugokencky, S. Houweling, M. Ishizawa, H-S Kim, R. Locatelli, S. Maksyutov, S. Montzka, S. Pandey, P. K. Patra, G. Petron, M. Saunois, C. Sweeney, S. Schwietzke, P. Tans, E. C. Weatherhead, US CH4 emissions from oil and gas production: Have recent large increases been detected?, J. Geophys. Res., 10.1002/2016JD026157, 2017. (PDF) (Copyright AGU)
  • 96. Goto, D., S. Morimoto, S. Aoki, P. K. Patra, T. Nakazawa, Seasonal and short-term variations in atmospheric potential oxygen at Ny-Ålesund, Svalbard, Tellus, B, 67, 1311767, 2017. (PDF) (Copyright Taylor & Francis)
  • 95. Houweling, S., P. Bergamaschi, F. Chevallier, M. Heimann, T. Kaminski, M. Krol, A. M. Michalak, and P. K. Patra, Global inverse modeling of CH4 sources and sinks: An overview of methods, Atmos. Chem. Phys., 17, 235-256, 2017. (PDF) (Open Access)
  • 94. Saunois, M., Bousquet, P., Poulter, B., Peregon, A., Ciais, P., Canadell, J. G., Dlugokencky, E. J., Etiope, G., Bastviken, D., Houweling, S., Janssens-Maenhout, G., Tubiello, F. N., Castaldi, S., Jackson, R. B., Alexe, M., Arora, V. K., Beerling, D. J., Bergamaschi, P., Blake, D. R., Brailsford, G., Brovkin, V., Bruhwiler, L., Crevoisier, C., Crill, P., Curry, C., Frankenberg, C., Gedney, N., Höglund-Isaksson, L., Ishizawa, M., Ito, A., Joos, F., Kim, H.-S., Kleinen, T., Krummel, P., Lamarque, J.-F., Langenfelds, R., Locatelli, R., Machida, T., Maksyutov, S., McDonald, K. C., Marshall, J., Melton, J. R., Morino, I., O'Doherty, S., Parmentier, F.-J. W., Patra, P. K., Peng, C., Peng, S., Peters, G. P., Pison, I., Prigent, C., Prinn, R., Ramonet, M., Riley, W. J., Saito, M., Schroder, R., Simpson, I. J., Spahni, R., Steele, P., Takizawa, A., Thorton, B. F., Tian, H., Tohjima, Y., Viovy, N., Voulgarakis, A., van Weele, M., van der Werf, G., Weiss, R., Wiedinmyer, C., Wilton, D. J., Wiltshire, A., Worthy, D., Wunch, D. B., Xu, X., Yoshida, Y., Zhang, B., Zhang, Z., and Zhu, Q.: The Global Methane Budget: 2000–2012, Earth Syst. Sci. Data, 8, 697-751, 2016. (PDF) (Open Access)
  • 93. Cervarich, M., S. Shu, A. K Jain, A. Arneth, J. Canadell, P. Friedlingstein, R. Houghton, E. Kato, C. Koven, P. K. Patra, B. Poulter, S. Sitch, B. Stocker, N. Viovy, A. Wiltshire, N. Zeng, The Terrestrial Carbon Budget of South and Southeast Asia, Env. Res. Lett., 11, 105006, 2016. (PDF) (Copyright IOP)
  • 92. Ostler, A., R. Sussmann, P. K. Patra, S. Houweling, M. De Bruine, G. P. Stiller, F. J. Hänel, J. Plieninger, P. Bousquet, Y. Yin, M. Saunois, K. A. Walker, N. M. Deutscher, D. W. Griffith, T. Blumenstock, F. Hase, T. Warneke, Z. Wang, R. Kivi, and J. Robinson, Evaluation of column-averaged methane in models and TCCON with a focus on the stratosphere, Atmos. Meas. Tech., 9, 4843-4859, 2016. (PDF) (Open Access)
  • 91. Welp, L. R., P. K. Patra, C. Rödenbeck, R. Nemani, J. Bi, S. C. Piper, and R. F. Keeling, Increasing summer net CO2 uptake in high northern ecosystems inferred from atmospheric inversions and remote sensing, Atmos. Chem. Phys., 16, 9047-9066, 2016. (PDF) (Open Access)
  • 90. Calle, L., J. G. Canadell, P. K. Patra, P. Ciais, K. Ichii, H. Tian, M. Kondo, S. Piao, A. Arneth, A. B. Harper, A. Ito, E. Kato, C. Koven, S. Sitch, N. Vivoy, A. Wiltshire, S. Zaehle, and B. Poulter, Regional Carbon Fluxes from Land Use and Land Cover Change in Asia, 1980-2009, Env. Res. Lett., 11, 074011, 2016. (PDF) (Copyright IOP)
  • 89. Hossaini, R., P. K. Patra, A. A Leeson, G. Krysztofiak, N. L. Abraham, S. J. Andrews, A. T. Archibald, J. Aschmann, E. L. Atlas, D. A. Belikov, H. Bönisch, R. Butler, L. J. Carpenter, M. Dorf, A. Engel, L. Feng, W. Feng, S. Fuhlbrügge, P. T. Griffiths, N. R. P. Harris, R. Hommel, T. Keber, K. Krüger, S. T. Lennartz, S. Maksyutov, H. Mantle, G. P. Mills, B. Miller, S. A. Montzka, F. Moore, M. A. Navarro, D. E. Oram, P. I. Palmer, K. Pfeilsticker, J. A. Pyle, B. Quack, A. D. Robinson, E. Saikawa, A. Saiz-Lopez, S. Sala, B.-M Sinnhuber, S. Taguchi, S. Tegtmeier, R. T. Lidster, C. Wilson, and F. Ziska, A multi-model intercomparison of halogenated very short-lived substances (TransCom-VSLS): linking oceanic emissions and tropospheric transport for a reconciled estimate of the stratospheric source gas injection of bromine, Atmos. Chem. Phys., 16, 9163-9187, 2016. (PDF) (Open access)
  • 88. Thompson, R. L., P. K. Patra, F. Chevallier, S. Maksyutov, R. M. Law, T. Ziehn, I. T. van der Laan-Luijkx, W. Peters, A. Ganshin, R. Zhuravlev, T. Maki, T. Nakamura, T. Shirai, M. Ishizawa, T. Saeki, B. Poulter, J. G. Canadell and P. Ciais, Top-down assessment of the Asian carbon budget since the mid 1990s, Nature comm., 7, Art no.: 10724, 2016. (PDF) (OPEN ACCESS)
  • 87. Chandra, N., S. Lal, S. Venkataramani, P. K. Patra, and V. Sheel, Temporal variations in CO2 and CO at Ahmedabad in western India, Atmos. Chem. Phys., 16, 6153-6173, 2016. (PDF) (OPEN ACCESS)
  • 86. Patra, P. K., T. Saeki, E. J. Dlugokencky, K. Ishijima, T. Umezawa, A. Ito, S. Aoki, S. Morimoto, E. A. Kort, A. Crotwell, K. Ravikumar, T. Nakazawa, Regional methane emission estimation based on observed atmospheric concentrations (2002-2012), J. Meteorol. Soc. Jpn., 94, 91-113, 2016. (PDF) (Copyright MSJ)
  • 85. Ballav, S., P. K. Patra, Y. Sawa, H. Matsueda, A. Adachi, S. Onogi, M. Takigawa, U. K. De, Simulation of CO2 concentrations at Tsukuba tall tower using WRF-CO2 tracer transport model, J. Earth System Sci., 125, 47-64, 2016. (PDF) (Copyright IAS)
  • 84. Ostler, A., R. Sussmann, P. K. Patra, P.O. Wennberg, N.M. Deutscher, D.W.T. Griffith, T. Blumenstock, F. Hase, R. Kivi, T. Warneke, Z. Wang, M. de Mazière, J. Robinson, and H. Ohyama, The imprint of stratospheric transport on column-averaged methane, Atmos. Chem. Phys. Discuss., 15, 20395-20447, 2015. (PDF) (OPEN ACCESS)
  • 83. Ghosh, A., P. K. Patra, K. Ishijima, T. Umezawa, A. Ito, D. M. Etheridge, S. Sugawara, K. Kawamura, J. B. Miller, E. J. Dlugokencky, P. B. Krummel, P. J. Fraser, L. P. Steele, R. L. Langenfelds, C. M. Trudinger, J. W. C. White, B. Vaughn, T. Saeki, S. Aoki, and T. Nakazawa, Variations in global methane sources and sinks during 1910-2010, Atmos. Chem. Phys., 2595-2612, 2015. (PDF) (OPEN ACCESS)
  • 82. Xiang, B., P. K. Patra, S. A. Montzka, S. M. Miller, J. W. Elkins, F. L. Moore, E. L. Atlas, B. R. Miller, R. F. Weiss, R. G. Prinn, S. C. Wofsy, Global emissions of refrigerants HCFC-22 and HFC-134a: Unforeseen seasonal contributions, Proc. Natl. Acad. Sci. (USA), 111, 17379-17384, 2014. (PDF) (Copyright NAS)
  • 81. Patra, P. K., M. C. Krol, S. A. Montzka, T. Arnold, E. L. Atlas, B. R. Lintner, B. B. Stephens, B. Xiang, J. W. Elkins, P. J. Fraser, A. Ghosh, E. J. Hintsa, D. F. Hurst, K. Ishijima, P. B. Krummel, B. R. Miller, K. Miyazaki, F. L. Moore, J. Mühle, S. O’Doherty, R. G. Prinn, L. P. Steele, M. Takigawa, H. J. Wang, R. F. Weiss, S. C. Wofsy, D. Young, Observational evidence for interhemispheric hydroxyl-radical parity, Nature, 513, 219-223, 2014. (PDF) (Copyright NPG)
  • 80. Umezawa, T., D. Goto, S. Aoki, K. Ishijima, P. K. Patra, S. Sugawara, S. Morimoto and T. Nakazawa, Variations of tropospheric methane over Japan during 1988-2010, Tellus B, 66, 23837, 2014. (PDF) (Copyright Tellus)
  • 79. Xiong, X., E. Maddy, C. Barnet, A. Gambacorta, P. K. Patra, F. Sun, and M. Goldberg, Retrieval of Nitrous Oxide from Atmospheric Infrared Sounder: Characterization and Validation, J. Geophys. Res., 119, 9107-9122, 2014. (PDF) (Copyright AGU)
  • 78. Thompson, R. L., K. Ishijima, E. Saikawa, M. Corazza, U. Karstens, P. K. Patra, P. Bergamaschi, F. Chevallier, E. Dlugokencky, R. G. Prinn, R. F. Weiss, S. O'Doherty, P. Krummel, L. P. Steele, P. Fraser, A. Vermeulen, Y. Tohjima, A. Jordan, L. Haszpra, M. Steinbacher, S. Van der Laan, T. Aalto, F. Meinhardt, M. E. Popa, J. Moncrieff, and P. Bousquet, TransCom N2O model inter-comparison - Part 2: Atmospheric inversion estimates of N2O emissions, Atmos. Chem. Phys., 14, 6177-6194, 2014. (PDF) (OPEN ACCESS)
  • 77. Thompson, R. L., P. K. Patra, K. Ishijima, E. Saikawa, M. Corazza, U. Karstens, C. Wilson, P. Bergamaschi, E. Dlugokencky, C. Sweeney, R. G. Prinn, R. F. Weiss, S. O'Doherty, P. B. Krummel, L. P. Steele, P. Fraser, M. Saunois, M. Chipperfield, and P. Bousquet, TransCom N2O model inter-comparison - Part 1: Assessing the influence of transport and surface fluxes on tropospheric N2O variability, Atmos. Chem. Phys., 14, 4349-4368, 2014. (PDF) (OPEN ACCESS)
  • 76. Zhang, X., K. R. Gurney, P. Peylin, F. Chevallier, R. M. Law, P. K. Patra, P. J. Rayner, C. Roedenbeck, M. Krol, On the variation of regional CO2 exchange over temperate and boreal North America, Global Biogeochem. Cycles, 27, 991-1000, 2013. (PDF) (Copyright AGU)
  • 75. Graven, H. D., R. F. Keeling, S. C. Piper, P. K. Patra, B. B. Stephens, S. C. Wofsy, L. R. Welp, C. Sweeney, P. P. Tans, J. J. Kelley, B. C. Daube, E. A. Kort, G. W. Santoni and J. D. Bent, Enhanced seasonal exchange of CO2 by northern ecosystems since 1960, Science, 341, 1085-1089, 2013. (PDF) (Copyright AAAS)
  • 74. Saikawa, E., R. G. Prinn, E. Dlugokencky, K. Ishijima, G. S. Dutton, B. D. Hall, R. Langenfelds, Y. Tohjima, T. Machida, M. Manizza, M. Rigby, S. O'Doherty, P. K. Patra, C. M. Harth, R. F. Weiss, P. B. Krummel, M. van der Schoot, P. B. Fraser, L. P. Steele, S. Aoki, T. Nakazawa, and J. W. Elkins, Global and regional emissions estimates for N2O, Atmos. Chem. Phys., 14, 4617-4641, 2014. (PDF) (OPEN ACCESS)
  • 73. Ishii, M., R. A. Feely, K. B. Rodgers, G.-H. Park, R. Wanninkhof, D. Sasano, H. Sugimoto, C. E. Cosca, S. Nakaoka, M. Telszewski, Y. Nojiri, S. E. Mikaloff Fletcher, Y. Niwa, P. K. Patra, V. Valsala, H. Nakano, I. Lima, S. C. Doney, E. T. Buitenhuis, O. Aumont, J. P. Dunne, A. Lenton, and T. Takahashi, Air-sea CO2 flux in the Pacific Ocean for the period 1990-2009, Biogeosciences, 709-734, 2014. (PDF) (OPEN ACCESS)
  • 72. Sarma, V.V.S.S., A. Lenton, R. Law, N. Metzl, P. K. Patra, S. Doney, L.D. Lima, E. Dlugokencky, M. Ramonet, and V. Valsala, Sea-air CO2 fluxes in the Indian Ocean between 1990 and 2009, Biogeosciences, 10, 7035-7052, 2013. (PDF)(OPEN ACCESS)
  • 71. Locatelli, R., P. Bousquet, F. Chevallier, A. Fortems-Cheney, S. Szopa, M. Saunois, A. Agusti-Panareda, D. Bergmann, H. Bian, P. Cameron-Smith, M. P. Chipperfield, E. Gloor, S. Houweling, S. R. Kawa, M. Krol, P. K. Patra, R. G. Prinn, M. Rigby, R. Saito, and C. Wilson, Impact of transport model errors on the global and regional methane emissions estimated by inverse modelling, Atmos. Chem. Phys., 13, 9917-9937, 2013. (PDF) (OPEN ACCESS)
  • 70. Peylin, P., R. M. Law, K. R. Gurney, F. Chevallier, A. Jacobson, T. Maki, Y. Niwa, P. K. Patra, W. Peters, P. J. Rayner, C. Rödenbeck, X. Zhang, Global Atmospheric Carbon Budget: results from an ensemble of atmospheric CO2 inversions, Biogeosciences, 10, 6699-6720, 2013. (PDF) (OPEN ACCESS)
  • 69. Inoue, M., I. Morino, O. Uchino, Y. Miyamoto, Y. Yoshida, T. Yokota, T. Machida, Y. Sawa, H. Matsueda, C. Sweeney, P. P. Tans, A. E. Andrews, P. K. Patra, Validation of XCO2 derived from SWIR spectra of GOSAT TANSO-FTS with aircraft measurement data, Atmos. Chem. Phys., 13, 9771-9788, 2013. (PDF) (OPEN ACCESS)
  • 68. Miyamoto, Y., M. Inoue, I. Morino, O. Uchino, T. Yokota, T. Machida, Y. Sawa, H. Matsueda, C. Sweeney, P. P. Tans, A. E. Andrews, P. K. Patra, Atmospheric column-averaged mole fractions of carbon dioxide at 53 aircraft measurement sites, Atmos. Chem. Phys., 5265-5275, 2013. (PDF) (OPEN ACCESS)
  • 67. Saito, R., P. K. Patra, C. Sweeney, T. Machida, M. Krol, S. Houweling, P. Bousquet, A. Agusti-Panareda, D. Belikov, D. Bergmann, H. Bian, P. Cameron-Smith, M. P. Chipperfield, A. Fortems-Cheiney, A. Fraser, L. V. Gatti, E. Gloor, P. Hess, S. R. Kawa, R. M. Law, R. Locatelli, Z. Loe, S. Maksyutov, L. Meng, J. B. Miller, P. I. Palmer, R. G. Prinn, M. Rigby, and C. Wilson, TransCom model simulations of methane: comparison of vertical profiles with in situ aircraft measurements, J. Geophys. Res., 118, 3891-3904, 2013. (PDF) (Copyright AGU)
  • 66. Sussmann, R., A. Ostler, F. Forster, M. Rettinger, N. M. Deutscher, D. W. T. Griffith, N. Jones, and P. K. Patra, First intercalibration of column-averaged methane from the Total Carbon Column Observing Network and the Network for the Detection of Atmospheric Composition Change, Atmos. Meas. Tech., 6, 397-418, 2013. (PDF) (OPEN ACCESS)
  • 65. Patra, P. K., J. G. Canadell, R. A. Houghton, S. L. Piao, N.-H. Oh, P. Ciais, K. R. Manjunath, A. Chhabra, T. Wang, T. Bhattacharya, P. Bousquet, J. Hartman, A. Ito, E. Mayorga, Y. Niwa, P. A. Raymond, V. V. S. S. Sarma and R. Lasco, The carbon budget of South Asia, Biogeosciences, 10, 513-527, 2013. (PDF) (OPEN ACCESS)
  • 64. Belikov, D. A., S. Maksyutov, M. Krol, A. Fraser, M. Rigby, H. Bian, A. Agusti-Panareda, D. Bergmann, P. Bousquet, P. Cameron-Smith, M. P. Chipperfield, A. Fortems-Cheiney, E. Gloor, K. Haynes, P. Hess, S. Houweling, S. R. Kawa, R. M. Law, Z. Loh, L. Meng, P. I. Palmer, P. K. Patra, R. G. Prinn, R. Saito, and C. Wilson, Off-line algorithm for calculation of vertical tracer transport in the troposphere due to deep convection, Atmos. Chem. Phys., 13, 1093-1114, 2013. (PDF) (OPEN ACCESS)
  • 63. Schuck, T. J., K. Ishijima, P. K. Patra, A.K. Baker, T. Machida, H. Matsueda, Y. Sawa, T. Umezawa, C.A.M. Brenninkmeijer, and J. Lelieveld, Distribution of methane in the tropical upper troposphere measured by CARIBIC and CONTRAIL aircraft, J. Geophys. Res., 117, D19304, 2012. (PDF) (Copyright AGU)
  • 62. Ishidoya, S., S. Aoki, D. Goto, T. Nakazawa, S. Taguchi, and P. K. Patra, Time and space variations of the O2/N2 ratio in the troposphere over Japan and estimation of the global CO2 budget for the period 2000-2010, Telllus B, 64, 18964, 2012. (PDF) (OPEN ACCESS)
  • 61. Pisso, I. J., P. K. Patra, M. Takigawa, T. Machida, H. Matsueda, and Y. Sawa, Anthropogenic CO2 flux constraints in the Tokyo bay area from Lagrangian diffusive backward trajectories and high resolution in situ measurements, Atmos. Chem. Phys. Discuss., 12, 10623-10649, 2012. (PDF) (OPEN ACCESS)
  • 60. Umezawa, T., T. Machida, K. Ishijima, H. Matsueda, Y. Sawa, P. K. Patra, S. Aoki, and T. Nakazawa, Carbon and hydrogen isotopic ratios of atmospheric methane in the upper troposphere over the Western Pacific, Atmos. Chem. Phys., 12, 8095-8113, 2012. (PDF) (OPEN ACCESS)
  • 59. Ballav, S., P. K. Patra, M. Takigawa, S. Ghosh, U. K. De, S. Maksyutov, S. Murayama, H. Mukai, and S. Hashimoto, Simulation of CO2 Concentration over East Asia Using Regional Transport Model WRF-CO2, J. Meteorol. Soc. Jpn., 90, 959-976, 2012. (PDF) (Copyright MSJ)
  • 58. Saito, R., P. K. Patra, N. Deutscher, D. Wunch, K. Ishijima, V. Sherlock, T. Blumenstock, S. Dohe, D. Griffith, F. Hase, P. Heikkinen, E. Kyro, R. Macatangay, J. Mendonca, J. Messerschmidt, I. Morino, J. Notholt, M. Rettinger, K. Strong, R. Sussmann, and T. Warneke, Technical Note: Latitude-time variations of atmospheric column-average dry air mole fractions of CO2, CH4 and N2O, Atmos. Chem. Phys., 12, 7767-7777, 2012. (PDF) (OPEN ACCESS)
  • 57. Tiwari, Y. K., P. K. Patra, F. Chevallier, R. J. Francey, P. B. Krummel, S. Chakraborty, R. L. Langenfelds, S. K. Bhattacharya, D. V. Borole, K. R. Kumar, L. P. Steele, and C. E Allison, CO2 observations at Cape Rama, India for the period of 1993-2002: implications for constraining Indian emissions, Curr. Sci., , 101, 1562-1568, 2011. (PDF) (OPEN ACCESS)
  • 56. Basu, S., S. Houweling , W. Peters , C. Sweeney , T. Machida , S. Maksyutov, P. K. Patra, F. Chevallier , Y. Niwa , H. Matsueda , Y. Sawa, The seasonal cycle amplitude of total column CO2: Factors behind the model-observation mismatch, J. Geophys. Res., 116, JD23306, 2011. (PDF) (Copyright AGU)
  • 55. Saito, R., S. Houweling, P. K. Patra, D. Belikov, R. Lokupitiya, Y. Niwa, F. Chevallier, T. Saeki, and S. Maksyutov, TransCom satellite intercomparison experiment: Construction of a bias corrected atmospheric CO2 climatology, J. Geophys. Res., 116, JD21120, 2011. (PDF) (Copyright AGU)
  • 54. Kim, H.-S., S. Maksyutov, M. V. Glagolev, T. Machida, P. K. Patra, K. Sudo and G. Inuoe, Evaluation of methane emissions from West Siberian wetlands based on inverse modeling, Environ. Res. Lett., 6, 035201, 2011. (PDF) (copyright IOP)
  • 53. S. Taguchi, R. M. Law, C. Rodenbeck, P. K. Patra, S. Maksyutov, W. Zahorowski, H. Sartorius and I. Levin, TransCom continuous experiment: Comparison of 222-Rn transport at hourly time scales at three stations in Germany, Atmos. Chem. Phys., 11, 10071-10084, 2011. (PDF) (OPEN ACCESS)
  • 52. Patra, P. K., S. Houweling, M. Krol, P. Bousquet, D. Belikov, D. Bergmann, H. Bian, P. Cameron-Smith, M. P. Chipperfield, K. D. Corbin, A. Fortems-Cheiney, A. Fraser, E. Gloor, P. Hess, A. Ito, S. R. Kawa, R. M. Law, Z. Loe, S. Maksyutov, L. Meng, P. I. Palmer, R. G. Prinn, M. Rigby, R. Saito, and C. Wilson, TransCom model simulations of CH4 and related species: Linking transport, surface flux and chemical loss with CH4 variability in the troposphere and lower stratosphere, Atmos. Chem. Phys., 11, 12813-12837, 2011. (PDF) (OPEN ACCESS)
  • 51. Kort, E. A., P. K. Patra, K. Ishijima, B. C. Daube, R. Jimenez, J. W. Elkins, D. Hurst, F. L. Moore, C. Sweeney, and S. C. Wofsy, Tropospheric distribution and variability of N2O: evidence for strong tropical emissions, Geophys. Res. Lett., 38, L15806, 2011. (PDF) (Copyright AGU)
  • 50. Miyazaki, K., T. Maki, P. K. Patra and T. Nakazawa, Assessing the impact of satellite, aircraft, and surface observations on CO2 flux estimation using an ensemble-based 4D data assimilation system, J. Geophys. Res., 116, D16306, 2011. (PDF) (Copyright AGU)
  • 49. Niwa, Y., P. K. Patra, Y. Sawa, T. Machida, H. Matsueda, D. Belikov, T. Maki, M. Ikegami, R. Imasu, S. Maksyutov, T. Oda, M. Satoh, and M. Takigawa, Three-dimensional variations of atmospheric CO2: aircraft measurements and multi-transport model simulations, Atmos. Chem. Phys., 11, 13359-13375, 2011. (PDF) (OPEN ACCESS)
  • 48. Patra, P. K., Y. Niwa, T. J. Schuck, C. A. M. Brenninkmeijer, T. Machida, H. Matsueda, and Y. Sawa, Carbon balance of South Asia constrained by passenger aircraft CO2 measurements, Atmos. Chem. Phys., 11, 4163-4175, 2011. (PDF) (OPEN ACCESS)
  • 47. Pickett-Heaps, C. A., P. J. Rayner, R. M. Law, P. Ciais, P. K. Patra, P. Bousquet, P. Peylin, S. Maksyutov, J. Marshall, C. Roedenbeck, R. Langenfelds, P. Tans, P. Steele, R. J. Francey, P. Tans and C. Sweeney, Atmospheric CO2 inversion validation using vertical profile measurements: Analysis of four independent inversion models, J. Geophys. Res., 116, D12305, 2011. (PDF) (Copyright AGU)
  • 46. Wofsy, S. C., and the HIPPO Science Team and Cooperating Modellers (P. Patra, ...) and the Satellite Teams, HIAPER Pole-to-Pole Observations (HIPPO): Fine grained, global scale measurements for determining rates for transport, surface emissions, and removal of climatologically important atmospheric gases and aerosols, Philos. T. Roy. Soc. A, 369 (1943), 2073-2086, 2011. (PDF) (Copyright Royal Soc.)
  • 45. Xiong, X., C. Barnet, Q. Zhuang, T. Machida, C. Sweeney and P. K. Patra, Mid-upper tropospheric methane in the high northern hemisphere: space-borne observations by AIRS, aircraft measurements and model simulations, J. Geophys. Res., 115, D19309, 2010. (PDF) (Copyright AGU)
  • 44. Ishijima, K., P. K. Patra, M. Takigawa, T. Machida, H. Matsueda, Y. Sawa, P. Steele, P. Krummel, R. Langenfelds, S. Aoki and T. Nakazawa, Stratospheric influence on the seasonal cycle of nitrous oxide in the troposphere as deduced from aircraft observations and model simulations, J. Geophys. Res., 115, D20308, 2010. (PDF) (Copyright AGU)
  • 43. S. W. A. Naqvi, J. W. Moffett, M. U. Gauns, P. V. Narvekar, A. K. Pratihary, H. Naik, D. M. Shenoy, D. A. Jayakumar, T. J. Goepfert, P. K. Patra, A. Al-Azri and S. I. Ahmed, The Arabian Sea as a high-nutrient, low-chlorophyll region during the late Southwest Monsoon, Biogeosciences, 7, 2091-2100, 2010. (PDF) (OPEN ACCESS)
  • 42. Neelin, J. D., B. R. Lintner, B. Tian, Q. Lin, L. Zhang, P. K. Patra, M. T. Chahine and S. N. Stechmann, Long tails in deep columns of natural and anthropogenic tropospheric tracers, Geophys. Res. Lett., 37, L05804, 2010. (PDF) (Copyright AGU)
  • 41. Tohjima, Y., H. Mukai, S. Hashimoto and P. K. Patra, Increasing synoptic scale variability in atmospheric CO2 at Hateruma Island associated with increasing East Asian emissions, Atmos. Chem. Phys., 10, 453-462, 2010. (PDF) (OPEN ACCESS)
  • 40. Bhattacharya, S. K., D. V. Borole, R. J. Francey, C. E. Allison, L. P. Steele, P. Krummel, R. Langenfelds, K. A. Masarie, Y. K. Tiwari and P. K. Patra, Trace gases and CO2 isotope records from Cabo de Rama, India, Curr. Sci., 97, 1336-1344, 2009. (PDF)
    Journal highlight (in this issue) 
  • 39. Patra, P. K., M. Takigawa, K. Ishijima, B.-C. Choi, D. Cunnold, E. J. Dlugokencky, P. Fraser, A. J. Gomez-Pelaez, T.-Y. Goo, J.-S. Kim, P. Krummel, R. Langenfelds, F. Meinhardt, H. Mukai, S. O'Doherty, R. G. Prinn, P. Simmonds, P. Steele, Y. Tohjima, K. Tsuboi, K. Uhse, R. Weiss, D. Worthy and T. Nakazawa, Growth rate, seasonal, synoptic, diurnal variations and budget of methane in the lower atmosphere, J. Meteorol. Soc. Jpn., 87(4), 635-663, 2009. (PDF) (Copyright MSJ), Colour Figures (download).
  • 38. Miyazaki, K., T. Machida, P. K. Patra, T. Iwasaki, Y. Sawa, H. Matsueda and T. Nakazawa, Formation mechanisms of latitudinal CO2 gradients in the upper troposphere over the subtropics and tropics, J. Geophys. Res., 114, D03306, 2009. (PDF) (Copyright AGU)
  • 37. Patra, P. K., M. Takigawa, G. S. Dutton, K. Uhse, K. Ishijima, B. R. Lintner, K. Miyazaki and J. W. Elkins, Transport mechanisms for synoptic, seasonal and interannual SF6 variations and "age" of air in troposphere, Atmos. Chem. Phys., 9, 1209-1225, 2009 (PDF). (OPEN ACCESS) 
  • 36. Maksyutov, S., N. Kadygrov, Y. Nakatsuka, P. K. Patra, T. Nakazawa, T. Yokota and G., Inoue, Projected impact of the GOSAT observations on regional CO2 flux estimations as a function of total retrieval error, J. Remote Sensing Soc. Japan, 28, 190-197, 2008. (PDF) (Copyright JRSSJ) 
  • 35. Miyazaki, K., P. K. Patra, M. Takigawa, T. Iwasaki and T. Nakazawa, Global-scale transport of carbon dioxide in the troposphere, J. Geophys. Res., 113, D15301, 2008. (PDF)(Copyright AGU) 
  • 34. Patra, P. K., R. M. Law, W. Peters, C. Rodenbeck, M. Takigawa, C. Aulagnier, I. Baker, D. J. Bergmann, P. Bousquet, J. Brandt, L. Bruhwiler, P. J. Cameron-Smith, J. H. Christensen, F. Delage, A. S. Denning, S. Fan, C. Geels, S. Houweling, R. Imasu, U. Karstens, S. R. Kawa, J. Kleist, M. C. Krol, S.-J. Lin, R. Lokupitiya, T. Maki, S. Maksyutov, Y. Niwa, R. Onishi, N. Parazoo, G. Pieterse, L. Rivier, M. Satoh, S. Serrar, S. Taguchi, R. Vautard, A. T. Vermeulen and Z. Zhu, TransCom model simulations of hourly atmospheric CO2: analysis of synoptic scale variations for the period 2002-2003, Global Biogeochem. Cycles, 22, GB4013, 2008. (PDF) (Copyright AGU) 
  • 33. Law, R. M., W. Peters, C. Rodenbeck, C. Aulagnier, I. Baker, D. J. Bergmann, P. Bousquet, J. Brandt, L. Bruhwiler, P. J. Cameron-Smith, J. H. Christensen, F. Delage, A. S. Denning, S. Fan, C. Geels, S. Houweling, R. Imasu, U. Karstens, S. R. Kawa, J. Kleist, M. C. Krol, S.-J. Lin, R. Lokupitiya, T. Maki, S. Maksyutov, Y. Niwa, R. Onishi, N. Parazoo, P. K. Patra, G. Pieterse, L. Rivier, M. Satoh, S. Serrar, S. Taguchi, M. Takigawa, R. Vautard, A. T. Vermeulen and Z. Zhu, TransCom model simulations of hourly atmospheric CO2: experimental overview and diurnal cycle results for 2002, Global Biogeochem. Cycles, 22, GB3009, 2008. (PDF) (Copyright AGU) 
  • 32. Zhang, D., J. Tang, G. Shi, M. Wen, T. Nakazawa, S. Aoki, S. Sugawara, S. Morimoto, P. K. Patra, T. Hayasaka and T. Saeki, Temporal and spatial variations of the atmospheric CO2 concentration in China, Geophys. Res. Lett., 35, L03801, 2008. (PDF) (Copyright AGU) 
  • 31. Maksyutov, S., P. K. Patra, R. Onishi, T. Saeki and T. Nakazawa, NIES/FRCGC global atmospheric tracer transport model: description, validation, and surface sources and sinks inversion, J. Earth. Simulator, 9, 3-18, 2008. (PDF) (Copyright ESJ)
  • 30. Patra, P. K., Coupling between land and ocean biospheres as observed by Sea-viewing Wide Field-of-view Sensor (SeaWiFS), SOLA, 3, 77-80, 2007. (PDF) (Copyright JMSJ) 
  • 29. Patra, P. K., M. D. Kumar, N. Mahowald and V. V. S. S. Sarma, Atmospheric deposition and surface stratification as controls of contrasting chlorophyll abundance in the North Indian Ocean, J. Geophys. Res. - Oceans, 112, C05029, 2007. (PDF) (Copyright AGU) 
  • 28. Patra, P. K., J.K. Moore, N. Mahowald, M. Uematsu, S.C. Doney and T. Nakazawa, Exploring the sensitivity of basin-scale air-sea CO2 fluxes to interannual to decadal variability in atmospheric dust deposition using ocean carbon models and atmospheric CO2 inversions, J. Geophys. Res. - Biogeochemistry, 112, G02012, 2007. (PDF) (Copyright AGU) 
  • 27. Patra, P. K., S. E. Mikaloff-Fletcher, K. Ishijima, S. Maksyutov and T. Nakazawa, Comparison of CO2 fluxes estimated using atmospheric and oceanic inversions, and role of fluxes and their interannual variability in simulating atmospheric CO2 concentrations, Atmos. Chem. Phys. Discuss., 6, 6801-6823, 2006 (OPEN ACCESS). (PDF)
  • 26. Patra, P. K., K. R. Gurney, A. S. Denning, S. Maksyutov, T. Nakazawa, D. F. Baker, P. Bousquet, L. Bruhwiler, Y.-H. Chen, P. Ciais, S.-M. Fan, I. Fung, M. Gloor, M. Heimann, K. Higuchi, J. John, R. M. Law, T. Maki, B. C. Pak, P. Peylin, M. Prather, P. J. Rayner, J. Sarmiento, S. Taguchi, T. Takahashi and C.-W. Yuen, Sensitivity of inverse estimation of annual mean CO2 sources and sinks to ocean-only sites versus all-sites observational networks, Geophys. Res. Lett., 33, L05814, 2006. (PDF) (Copyright AGU)
  • 25. Patra, P. K., S. Maksyutov and T. Nakazawa, Analysis of atmospheric CO2 growth rates at Mauna Loa using CO2 fluxes derived from an inverse model, Tellus, 57B, 357-365, 2005.(PDF) (Copyright Blackwell) 
  • 24. Patra, P. K., S. Maksyutov, M. Ishizawa, T. Nakazawa, T. Takahashi and J. Ukita, Interannual and decadal changes in the sea-air CO2 flux from atmospheric CO2 inverse modelling, Global Biogeochem. Cycles, 19, GB4013, 2005. (PDF) (Copyright AGU)
    [TDI model estimated flux anomaly data: 1. original 22 regions, and 2. aggregated 11 ocean regions]
  • 23. Patra, P. K., M. Ishizawa, S. Maksyutov, T. Nakazawa and G. Inoue, Role of biomass burning and climate anomalies for land-atmosphere carbon fluxes based on inverse modeling of atmospheric CO2, Global Biogeochem. Cycles, 19, GB3005, 2005. (PDF) (Copyright AGU)
    [TDI model estimated flux anomaly data: 1. original 42 land regions - first 28 region, next 14 region, and 2. aggregated 11 land regions]
  • 22. Patra, P. K., S. K. Behera, J. R. Herman, S. Maksyutov, H. Akimoto and T. Yamagata, Indian summer monsoon rainfall: Interplay of coupled dynamics, radiation balance and cloud microphysics, Atmos. Chem. Phys., 5, 2181-2188, 2005. (OPEN ACCESS) (PDF)
  • 21. Lal, S., D. Chand, S. Venkataramani, K. S. Appu, M. Naja and P. K. Patra, Trends in CH4 and SF6 at tropical site Thumba in India, Atmos. Env., 38(8), 145-1151, 2004. (copyright ELSEVIER) (PDF)
  • 20. Patra, P. K., S. Maksyutov and T. Nakazawa, Tropical cyclones in the Northern Indian Ocean and their impact on atmospheric N2O budget, Ind. J. Marine Sci., 33(1), 2004. 
  • 19. Patra, P. K., S. Maksyutov, Y. Sasano, H. Nakajima, G. Inoue and T. Nakazawa, An evaluation of CO2 observations with Solar Occultation FTS for Inclined-Orbit Satellite sensor for surface source inversion, J. Geophys. Res., 108(D24), 4759, 2003. (copyright AGU) (PDF)
  • 18. Patra, P. K., S. Lal, D. Chand and S. Venkataramani, HALOE and balloon-borne measurements of methane in the stratosphere and their relation to QBO, Atmos. Chem. Phys., 3, 1051-1062, 2003. (OPEN ACCESS) (PDF) 
  • 17. Lal, S., V. Sheel and P. K. Patra, Satellite techniques for trace gas measurements, Mausam, 54(1), 315-326, 2003.
  • 16. Maksyutov, S., T. Machida, H. Mukai, P. K. Patra, T. Nakazawa, G. Inoue and TransCom-3 modelers, Effect of recent observations on Asian CO2 flus estimates with transport model inversions, Tellus, 55B(2), 522-529, 2003. (copyright Blackwell Munksgaard) (PDF)
  • 15. Patra, P. K., S. Maksyutov and TransCom-3 modelers, Sensitivity of Optimal Extension of CO2 Observation Networks to Model Transport, Tellus, 55B(2), 498-511, 2003. (copyright Blackwell Munksgaard) (PDF)
  • 14. Patra, P. K. and M. S. Santhanam, Comment on ``Effects of Cosmic Rays on Atmospheric Chloroflurocarbon Dissociation and Ozone Depletion'', Phys. Rev. Lett., 89(21), 219803-1, 2002. (copyright APS) (PDF)
  • 13. Patra, P. K. and S. Maksyutov, Incremental approach to the optimal network design for CO2 surface source inversion, Geophys. Res. Lett., 29(10), 1459, 2002. (copyright AGU) (PDF)
  • 12. Bange, H. W., M. O. Andreae, S. Lal, C. S. Law, S. W. A. Naqvi, P. K. Patra, T. Rixen and R. C. Upstill-Goddard, Nitrous oxide emissions from the Arabian Sea: A Synthesis, Atmos. Chem. and Phys., 1, 61-71, 2001. (OPEN ACCESS) (PDF)
  • 11. Santhanam, M. S. and P. K. Patra, Statistics of Atmospheric Correlations, Physical Reviews-E, 64, 016102, July 2001. (copyright APS) (PDF)
  • 10. Patra, P. K., M. S. Santhanam, K. V. J. Potty, M. Tewari and P. L. S. Rao, Simulation of tropical cyclones using regional weather prediction models, Current Sci., 7970-78, 2000. (copyright CS) (PDF)
  • 9. Patra, P. K., S. Lal, V. Sheel, B. H. Subbaraya, C. Bruehl, R. Borchers and P. Fabian, Chlorine partitioning in the stratosphere based on in situ measurements, Tellus, 52B(3), 934-946, 2000. (copyright Munksgaard) (PDF)
  • 8. Patra, P. K., S. Lal, S. Venkataramani, S. N. de Sousa, V. V. S. S. Sarma and S. Sardesai, Seasonal and spatial variability in N2O distribution in the Arabian Sea, Deep-Sea Res., 46(3), 529-543, 1999. (copyright Pergamon) (PDF)
  • 7. Lal, S. and P. K. Patra, Variability in the fluxes of nitrous oxide in the Arabian Sea, Global Biogeochem. Cycle, 12(2), 321-327, 1998. (copyright AGU) (PDF)
  • 6. Patra, P. K., S. Lal, S. Venkataramani, M. Gauns and V. V. S. S. Sarma, Seasonal variability in distribution and fluxes of methane in the Arabian Sea, J. Geophys. Res., 103(C1)1167-1176, 1998. (copyright AGU) (PDF)
  • 5. Patra, P. K. and S. Lal, Variability of eddy diffusivity in the stratosphere deduced from vertical distributions of N2O and CFC-12, J. Atmos. Solar Terr. Phys., 5(10), 1149-1157, 1997. (copyright Pergamon) (PDF)
  • 4. Patra, P. K., S. Lal, B. H. Subbaraya, C. H. Jackman and P. Rajaratnam, Observed vertical profile of sulphur hexafluoride (SF6) and its atmospheric applications, J. Geophys. Res., 102(D7)8855-8859, 1997. (copyright AGU) (PDF)
  • 3. Lal S., P. K. Patra, S. Venkataramani and M. M. Sarin, Distribution of nitrous oxide and methane in the Arabian Sea, Curr. Sci., 71, 894-899, 1996. (OPEN ACCESS) (PDF)
  • 2. Lal, S., Y. B. Acharya, P. K. Patra, P. Rajaratnam, B. H. Subbaraya and S.Venkataramani, Balloon-borne cryogenic air sampler experiment for the study of atmospheric trace gases, Ind. J. Radio and Space Phys., 25(1), 1-7, 1996. (copyright Gujarat Univ.) (PDF)
  • 1. Lal, S., R. Borchers, P. Fabian, P. K. Patra and B. H. Subbaraya, Vertical distribution of methyl bromide over Hyderabad, India, Tellus, 46B, 373-377, 1994. (copyright Munksgaard) (PDF)

Proceedings and Book chapters

  • 21. Patra, P.K., T. Saeki, S. Aoki, S. Morimoto, T. Nakazawa, E. J. Dlugokencky, A. Butz, and R. G. Prinn, Inversion modeling of CH4 emissions: recent results for sub-continental regions and outlook for utilization of satellite data, In A guidebook on the use of satellite greenhouse gases observation data for verification of greenhouse gases emission inventories, Draft Edition, NIES, Tsukuba, 2018. (PDF)
  • 20. Saeki, T., and P. K. Patra, Joint analysis of CO2 and CH4 inversion fluxes to refine anthropogenic CO2 emissions: A case study of East Asia, In A guidebook on the use of satellite greenhouse gases observation data for verification of greenhouse gases emission inventories, Draft Edition, NIES, Tsukuba, 2018. (PDF)
  • 19. Oo, A. Z., S. Sudo, P. K. Patra, V. Ravi, SRI both economical and environment friendly, Farmers Forum, 44, 2018. (PDF)
  • 18. Perera, K. M. P., R. S. Lokupitiya, D. Zupanski, A. S. Denning, R. G. N. Meegana, E. Y. K. Lokupitiya, P. K. Patra, Estimation of Asian and Global carbon fluxes using maximum likelihood ensemble filter (MLEF), Proc. Intl. Conf. on Clim. Change, Colombo, 2017. (PDF)
  • 17. Patra, P. K., Tracking hydroxyl radicals in the troposphere, in Research and Development on Marine and Global Environmental Change Annual Report 2014, JAMSTEC, Yokohama, 2016. (PDF)
  • 16. Patra, P. K., J. G. Canadell, R. L. Thompson, M. Kondo, B. Poulter, Sources and sinks of carbon dioxide in populous Asia, APN Science Bulletin (Japan), 2016. (PDF)
  • 15. Patra, P. K., A. Ito, and X. Yan, Climate change and agriculture in Asia: A case study for methane emission due to rice cultivation, in Climate Change and Agriculture, T. Bhattacharyya, D. K. Pal, D. Sarkar and S. P. Wani (eds), Studium press (India) Pvt. Ltd., ISBN: 978-93-80012-40-7, 328pp, 2013. (PDF)
  • 14. Patra, P. K., X. Xiong, C. Barnet, E. J. Dlugokencky, U. Karin, K. Tsuboi, and D. Worthy, Validation of CH4 surface emission using forward chemistry-transport model,  Baltimore, April 2009. (PDF)
  • 13. Patra, P. K., S. K. Behera, J. R. Herman, H. Akimoto, and T. Yamagata, Effects of atmospheric composition on radiation balance, cloud microphysics and Indian summer monsoon rainfall, Proc. American Meteorol. Soc., 16th Symp. on Global Change and Climate Variations, San Diego, January 2005.
  • 12. S. Maksyutov, P. K. Patra, M. Ishizawa, G. Inoue, and T. Nakazawa, Development and application of parallel atmospheric transport model to inverse modeling of global carbon cycle, NIES-CGER Supercomputer Activity Report, Tsukuba, 2004.
  • 11. S. Maksyutov, P. K. Patra, and G. Inoue, Pseudo-data inversion of column-CO2 observations by remote sensing using a high resolution inverse model, International Archives of Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol. XXXIV, Part. 7/W14, Paper No. J-2, 2003. (PDF)
  • 10. Patra, P. K., and S. Maksyutov, CO2 observation network design from inverse model prospective, Report of the Eleventh WMO/IAEA Meeting of Experts on Carbon Dioxide Concentration and Related Tracer Measurement Techniques, World Meteorological Organisation,Global Atmosphere Watch Report No. 148, 74-76, 2003.
  • 9. Patra, P. K., S. Maksyutov, and M. S. Santhanam, Derived trends of CH4 in the stratosphere from HALOE measurements, Non-CO2 Greenhouse Gases, ISBN:90-77017-70-4, Allenpress, The Netherlands, 2002.
  • 8. Patra, P. K., M. Tewari, M. S. Santhanam, Z. Christidis, Sensitivity of initial conditions for the tropical cyclone simulation, Proc. American Meteorol. Soc., 11th Conf. on Interaction of the Sea and Atmosphere, May, 2001.
  • 7. Santhanam, M. S., P. K. Patra, S. Kuila, and U. K. De, A study of teleconnectivity patterns for boreal summer and winter monsoon, Proc. American Meteorol. Soc., Climate Variability, the Oceans, and Societal Impacts, Albuquerque, Jan 2001.
  • 6. Tewari, M., P. K. Patra, K. V. J. Potty, and C. M. Kishtawal, Impact of satellite data assimilation on precipitation associated with Orissa supercyclone of 1999, Proc. American Meteorol. Soc., Precipitation Extremes; Prediction, Impacts, and Responses, Albuquerque, Jan 2001.
  • 5. Potty, K. V. J., P. K. Patra, and M. Tewari, Effect of horizontal resolution of numerical models in simulating cyclone over the Bay of Bengal, Proc. National Symposium on Ocean and Atmosphere, TROPMET 2000, Cochin, Feb., 2000.
  • 4. Santhanam, M. S., P. K. Patra, K. V. J. Potty, Bay of Bengal cyclone track simulation: A comparative study of MM5 and RAMS, Proc. National Symposium on Ocean and Atmosphere, TROPMET 2000, Cochin, Feb., 2000.
  • 3. Lal, S., P. K. Patra,, S. Venkataramani, Measurements of Nitrous Oxide and Methane from the Arabian Sea under JGOFS (India) Programme, ISRO-GBP Scientific Report, ISRO-GBP SR 04 2000, 2000.
  • 2. Patra, P. K., V. Sheel, B.H. Subbaraya, R. Borchers, P. Fabian, Chlorine and bromine partitioning in the stratosphere based on in situ measurements, Proc. of American Meteorol. Soc., Symposium on Interdiciplinary Issues in Atmospheric Chemistry, Dallas, 10-15 Jan, 1999.
  • 1. Patra, P. K.,, Y.B. Acharya, S. Venkataramani, S. Lal, B.H. Subbaraya, and P. Rajaratnam, Vertical distributions of CFCs, HCFCs, and related trace gases over Hyderabad obtained using a balloon-brone cryogenic air sampler, in Global Change Studies, Scientific Results from ISRO Geosphere Biosphere Programme, Eds. Subbaraya et al., San Subscription Agency, Faridabad, India, 1998.

Conference Presentations

  • 131. P. K. Patra (invited), Understanding the sources of air pollutants key to effective mitigation policy - a case of methane, JSPS-US Alumni 2018 Seminar on "Growing Atmospheric Pollution and Its Impact on Climate", Chapman University, February 2018.
  • 130. P. K. Patra, Budgets of CO2, CH4 and N2O fluxes in the southern land and ocean, AMOS-ICSHMO, Sydney, February 2018.
  • 129. K. Takata, P. K. Patra, A. Kotani, T. Ohta, T. Saeki, K. Ichii, Top-down and bottom-up CO2 fluxes at Yakutsk, Siberia, Fifth International Symposium on Arctic Research, Tokyo, January 2018.
  • 128. P. K. Patra, et al., Interannual variability of global hydroxyl (OH), JpSAC annual meeting, Takamatsu, October 2017.
  • 127. P. K. Patra, et al., Anomalies in terrestrial carbon fluxes as derived from the Orbiting Carbon Observatory (OCO-2) in near-real time, 10th International Carbon Dioxide Conference, Interlaken, August 2017.
  • 126. P. K. Patra and D. Crisp, The Orbiting Carbon Observatory (OCo-2) Track ..., AOGS annual meeting, Singapore, BG06-07-D4-AM2-335-002, August 2017.
  • 125. P. K. Patra (organiser), Satellite observations of greenhouse gases, GHGs workshop: Measurements, Interpretation and Inverse Modelling, IITM, Pune, July 2017.
  • 124. P. K. Patra (organiser), Hands-on: TransCom Inversion, GHGs workshop: Measurements, Interpretation and Inverse Modelling, IITM, Pune, July 2017.
  • 123. P. K. Patra (organiser), Global GHGs modelling, GHGs workshop: Measurements, Interpretation and Inverse Modelling, IITM, Pune, July 2017.
  • 122. P. K. Patra (organiser), Introduction to inverse problems, GHGs workshop: Measurements, Interpretation and Inverse Modelling, IITM, Pune, July 2017.
  • 121. P. K. Patra (organiser), Overview of Atmospheric greenhouse gases, National Training Workshop on Greenhouse Gases Measurements, Interpretation and Inverse Modelling, IITM, Pune, July 2017.
  • 120. Y. Kangah, P. Ricaud, J.-L. Attié, S. Quesada, P. K. Patra, N. Saitoh, Study of IASI nitrous oxide (N2O) retrievals: application to long-range transport during the Asian summer Monsoon, IWGGMS, University of Helsinki, June 2017.
  • 119. P. K. Patra, Variabilities in greenhouse gases in South Asia due to monsoon, ACAM meeting, Guangzhou, June 2017.
    Session organiser/chair: Theme 1.2 Air Quality , also in Local Organising Committee.
  • 118. P. K. Patra, The Orbiting Carbon Observatory (OCO-2) tracks 2-3 peta-gram increase in carbon release to the atmosphere during the 2014-2016 El Niño, JpGU annual meeting, AAS04-15, June 2017.
  • 117. P. K. Patra, Inversion modeling of carbon dioxide and methane using JAMSTEC’s ACTM, NASA Goddard Space Flight Center, Maryland, March 2017.
  • 116. P. K. Patra, An attempt to separate anthropogenic CO2 emission from natural component using CH4 emission inversion, Workshop on Satellite GHG Concentration Measurement and National GHG Emission Inventories, Tokyo, February 2017.
  • 115. P. K. Patra, Global Climate Change: Role of human activity, ecosystems and agriculture, Banaras Hindu University, Varanasi, February 2017.
  • 114. K. Inubushi, P. K. Patra, S. Hayashida and AMSSA members, Indian Embassy, Tokyo, December 2016.
  • 113. P. K. Patra , D. Crisp, J. W. Kaiser, D. Wunch, T. Saeki, K. Ichii, T. Sekiya, P. O. Wennberg, D. G. Feist, D. Pollard, D. W. T. Griffith, V. A. Velazco, M. De Maziere, M. K. Sha, C. Roehl, A. Chatterjee, AGU Fall Meeting, San Francisco, December 2016
  • 112. P. K. Patra , T. Saeki, S. Morimoto, H. Matsueda, T. Machida, Y. Sawa, T. Umezawa, S. Aoki and T. Nakazawa, On the use of aircraft CO2 observations for carbon cycle studies, MSJ Fall Meeting, Nagoya, October 2016
  • 111. P. K. Patra (invited), Quantifying hydroxyl in chemistry-climate models, IGAC Symposium, Breckenridge, September 2016.
  • 110. P. K. Patra, T. Saeki, S. Aoki, S. Morimoto, T. Nakazawa, Anthropogenic Emissions Of CO2 And CH4 From China Are Likely Overestimated, AOGS Annual Meeting, Beijing, August 2016.
  • 109. P. K. Patra (invited), K. Ichii, and J. Miettinen, Climate-carbon nexus in tropical Asia, AOGS Annual Meeting, Beijing, August 2016.
  • 108. L. R. Welp, P. K. Patra, C. Roedenbeck, R. Nemani, J. Bi, S. C. Piper, and R. F. Keeling, Increasing summer net CO2 uptake in high northern ecosystems on land, Goldschimidt, Yokohama, June 2016.
  • 107. P. K. Patra, T. Saeki, K. Ichii, J. W. Kaiser, D. Crisp, Orbiting carbon observatory (OCO-2) tracks 2 Giga tons of carbon release to the atmosphere during the El Nino 2015, 12th IWGGMS, Kyoto University, June, 2016.
  • 106. P. K. Patra, T. Saeki, E. J. Dlugokencky, K. Ishijima, T. Umezawa, A. Ito, S. Aoki, S. Morimoto, E. A. Kort, A. Crotwell, K. Ravi Kumar, T. Nakazawa, Regional methane emission estimation based on observed atmospheric concentrations (2002-2012), JpGU Annual Meeting, Makuhari, May, 2016.
  • 105. P. K. Patra, Importance constraining tropospheric OH for CH4 inverse modeling and regional sources, Zurich, 15 March 2016.
  • 104. P. K. Patra, et al., Brewer-Dobson circulation, age of air in stratosphere and distribution of trace gases, SPARC Stratospheric Change and its Role for Climate Prediction (SHARP), Berlin, 16 February 2016.
  • 103. P. K. Patra, (invited), Regional trends in land use/land cover change emissions of CO2 in Asia, International Land Cover/Land Use Changes Regional Science Team Meeting, Yangon, 13-15 Jan 2016.
  • 102. P. K. Patra, (Keynote), Process-based understanding of greenhouse gases emissions and sinks for policymaking, National Institute of Development Administration, Bangkok, 19 December 2015.
  • 101. P. K. Patra, et al., Asian methane emissions estimated by inverse modelling, AsiaFlux Workshop, Indian Institute for Tropical Meteorology, Pune, 27 November 2015.
  • 100. P. K. Patra, (Invited), Overview of Asia Oceania Geoscience Society, The 12th SEGJ International Symposium, Tokyo University, Hongo, 18-20 November 2015.
  • 99. P. K. Patra, et al., Can O2/N2 measurements help to constrain global total fossil fuel emission?, Second Decadal APO Meeting, Scripps Institution of Oceanography/UCSD, San Diego, 18 September 2015.
  • 98. P. K. Patra, et al., Inverse Estimation of CH4 Emissions Using JAMSTEC's ACTM Forward Model, AOGS annual meeting, Singapore, 2 August, 2015.
  • 97. P. K. Patra, (invited), Sources and sinks of CO2 and CH4 due to anthropogenic and natural biosphere activities in Southeast Asia, Asian Institute of Technology (AIT), Bangkok, 02 July 2015.
  • 96. P. K. Patra, (invited), Atmospheric Science Data Analysis Tools, ACAM Training School on Satellite and Model Data use for Aerosols and Air Quality, Asian Institute of Technology (AIT), Bangkok, 11 June 2015.
  • 95. P. K. Patra, (invited), South Asian GHGs Network (for measurement and model), IGAC Monsoon Asia and Oceania Networking Group (MANGO), Asian Institute of Technology (AIT), Bangkok, 11 June 2015.
  • 94. P. K. Patra, et al., Dependence of emission estimation on air quality modelling, The 2nd ACAM workshop, Bangkok, 09 June 2015.
  • 93. P. K. Patra, et al., Inverse and forward modelling of CH4 using ACTM, EGU annual meeting, Vienna, 12-17 April, 2015.
  • 92. P. K. Patra, et al., Detection of trends in CO2 vertical profiles due to biospheric and anthropogenic flux change, ASSW2015 and Fourth International Symposium on the Arctic Research (ISAR-4), Toyama, 28 April 2015.
  • 91. P. K. Patra, et al., Diagnosing inter-hemispheric OH distribution and transport in chemistry and transport models, Symposium on Coupled Chemistry-Meteorology/Climate Modelling, WMO Headquarters, Geneva, February 2015.
  • 90. P. K. Patra, (invited), Regional greenhouse gases budget - role of the coastal zones, APN (Lokupitiya) Workshop, Colombo, 18 January 2015.
  • 89. P. K. Patra(invited), et al., Estimation of hydroxyl (OH) concentration in Earth’s atmosphere, The 5th ISAJ Symposium, Embassy of India, Tokyo, December 2014.
  • 88. P. K. Patra(invited), Upcoming synthesis of "Asian Greenhouse Gases Budget”, Asian GAW workshop, Korea Research Institute of Standards and Science, Daejeong, October 2014
  • 87. P. K. Patra, et al., Interhemispheric gradient of hydroxyl (OH) in the troposphere, Quadrennial iCACGP Symposium and IGAC Science Conference on Atmospheric Chemistry, Natal, September 2014.
  • 86. P. K. Patra, J. G. Canadell, and participating member, Budgets of Major Greenhouse Gases (CO2, CH4 and N2O) from Tropical and Temperate Asia, AOGS Annual Meeting, Sapporo, July 2014.
  • 85. P. K. Patra, Asian Greenhouse Gases Budget, TransCom workshop, Groningen University, June 2014.
  • 84. P. K. Patra(invited), H. Kobayashi, T. Saeki, Detection and attribution of changes in arctic ecosystems and, atmospheric CO2, JPGU Annual meeting, Yokohama, April 2014
  • 83. P. K. Patra, V. Naik, J.-F. Lamarque, CCMI modellers and Measurement groups, Evaluation of global mean OH and meridional gradients using an offline-chemistry and transport model, Chemistry Climate Modelling Initiative (CCMI) workshop, Lancaster, May 2014.
  • 82. P. K. Patra (keynote), J. G. Canadell and collabotarors, Budgets of major greenhouse gases (CO2, CH4 & N2O) from the South and Southeast Asia region, AsiaFlux training and seminar on methane flux and carbon cycle, Mymensingh, February 2014.
  • 81. B. Xiang, P. K. Patra, S. A. Montzka, J. W. Elkins, F. L. Moore, E. L. Atlas, R. G. Prinn, S. C. Wofsy, SPARC general assembly, Queenstown, January 2014.
  • 80. P. K. Patra, B. Xiang, S. C. Wofsy, and ACTM, AGAGE, HIPPO and NOAA teams, Simulation of major GHGs and ODSs using chemistry-transport model, SPARC general assembly, Queenstown, January 2014.
  • 79. P. K. Patra, AGAGE, NOAA, HIPPO teams, Interhemispheric gradient of hydroxyl in the troposphere, AGU Fall Meeting, San Francisco, December 2013.
  • 78. S. Ballav, P. K. Patra, S. Murayama, Y. Sawa, H. Mukai, H. Matsueda, M. Takigawa, U. K. De, Simulation of continuous CO2 measurements in Japan using WRF-CO2 tracer transport model, Synthesis Workshop on the Carbon Budget and Forest Ecosystem, Takayama, October 2013.
  • 77. P. K. Patra (invited), J. G. Canadell and cooperating members, Reconciling top-down and bottom-up carbon fluxes of South Asia, AsiaFlux workshop, Seoul, August 2013.
  • 76. P. K. Patra (invited seminar), Global and regional carbon cycle, Presidency University, Kolkata, July 2013.
  • 75. P. K. Patra (session organiser), J. G. Canadell, RECCAP and APN teams, Synthesis of South and Southeast Asian greenhouse gases budgets, AOGS Annual Assembly, Brisbane, June 2013.
  • 74. Md. K. Ahmed, T. Machida, H. Mukai, Md. Ibrahim, K. N. Islam, P. K. Patra, First measurements of major greenhouse gases in Bangladesh, 9th Intl. Carbon Dioxide Concerence, Beijing, June 2013.
  • 73. P. K. Patra, T. Nakazawa, K. Miyazaki, T. Umezawa, K. Ishijima, D. Goto, S. Aoki, Global inversions of atmospheric CO2 and CH4: Fluxes for the Asia, 9th Intl. Carbon Dioxide Concerence, Beijing, June 2013.
  • 72. P. K. Patra, B Xiang, B. R. Lintner, T Arnold, E. Atlas, J. W. Elkins, E. Hintsa, M. Krol, P. Krummel, S. A. Montzka, F. Moore, S. O’Doherty, R. G. Prinn, K. Sudo, M. Takigawa, R. F. Weiss, S. C. Wofsy, Constraining the hydroxyl interhemispheric gradient, Workshop of Chemistry Climate Modeling Initiative, Boulder, May 2013.
  • 71. P. K. Patra(invited), Model perspective of GHGs measurements using satellite remote sensing for source/sinks inversion, GOSAT-2 workshop, Tokyo Metropolitan Art Museum, March 2013.
  • 70. P. K. Patra, S. C. Wofsy, Members ACTM, Members HIPPO, Analysis of vertical profiles of CO2, CH4, N2O, SF6 in the arctic atmosphere, ISAR-3, MIRAKAN, Tokyo, January 2013.
  • 69. P. K. Patra(invited), Carbon budget of Asia, NASA Land Cover Land Use Change meeting, Karunya University, Coimbatore, January 2013.
  • 68. P. K. Patra(invited), Global Climate Change: Role of human activity, ecosystems and agriculture, Seminar for the graduate students and faculty of the Tamil Nadu Agricultural University, Coimbatore, January 2013.
  • 67. P. K. Patra, Modelling of long-lived gases concentrations and fluxes in EBCRP-a, International Pacific Research Center, Univ. of Hawaii, Honolulu, December, 2012.
  • 66. P. K. Patra, S. C. Wofsy, K. Ishijima, A. Ghosh, B. B. Stephens, E. L. Atlas, J. W. Elkins, S. A. Montzka, E. A. Kort, G. Santoni, J. Pittman, B. Daube, Evaluation of ACTM forward simulations using HIPPO, AGU Fall Meeting, San Francisco, December 2012.
  • 65. P. K. Patra(workshop organiser), J. G. Canadell, and RECCAP and APN team, Synthesis of South and Southeast Asian greenhouse gases budgets, 2nd APN Workshop on Asian Greenhouse Gases Budget, Bogor, October 2012.
  • 64. P. K. Patra, T. J. Conway, Y. Tohjima, K. Masarie, K. Miyazaki, M. Takigawa, S. Maksyutov, and T. Nakazawa, Carbon balance, atmospheric CO2 variability and meridional CO2 flux distribution using forward and inverse models, Meteorol. Soc. Jpn., Fall meeting, Sapporo, October 2012.
  • 63. P. K. Patra(session organiser), J. G. Canadell, and RECCAP and APN team, Synthesis of South and Southeast Asian greenhouse gases budgets, AOGS-AGU WPGM Joint Assembly, Singapore, August 2012.
  • 62. P. K. Patra(invited), Components of regional carbon budget, National Institute of Development Administration (NIDA), Bangkok, July 2012.
  • 61. P. K. Patra(invited), Use of atmospheric measurements for emission verification, Asian Institute of Technology, Bangkok, July 2012.
  • 60. P. K. Patra(session chair), New TransCom experiments: 2009-2011, TransCom meeting, Nanjing, March 2012.
  • 59. P. K. Patra, TransCom modellers, ACTM modellers, HIPPO, CONTRAIL, CARIBIC, and Surface measurement teams, Use of multi-tracers simulations for characterizing transport model simulations, TransCom meeting, Nanjing, March 2012.
  • 58. P. K. Patra(invited), Atmospheric modelling of greenhouse gases, School of GeoSciences, University of Edinburgh, March 2012.
  • 57. P. K. Patra, S. Houweling, M. Krol, R. Saito and TransCom modelers, TransCom model simulations of methane (CH4) variability near the earth's surface and implications for global total budgets for 1990-2007, Planet Under Pressure - New Knowledge Towards Solutions, London, March 2012.
  • 56. P. K. Patra, S. Wofsy, B. B. Stephens, et al., Use of multi-tracers simulations for characterizing transport models (TransCom-HIPPO?), HIPPO Science Steering Committee Meeting, Boulder, March 2012.
  • 55. P. K. Patra, Y. Niwa, T. J. Schuck, C. A. M. Brenninkmeijer, T. Machida, H. Matsueda, Y. Sawa, Carbon balance of South Asia constrained by passenger aircraft CO2 measurements, A31B-0070, AGU Fall Meeting, San Francisco, December 2011.
  • 54. P. K. Patra(Keynote talk) and J. G. Canadell, The RECCAP/APN South and Southeast Asian greenhouse gases budgets, AsiaFlux Workshop - Bridging Ecosystem Science to Services and Stewardship, Johar Bahru, November 2011.
  • 53. P. K. Patraand R. Saito, Validation of inverse model estimated CO2 fluxes using in situ, and ground and satellite based remote sensing measurements, GEO Carbon Conference, Food and Agriculture Organization of the United Nations (FAO), Rome, October 2011.
  • 52. P. K. Patra(overview talk), Carbon balance of South Asia, and modelling GHGs concentrations and fluxes, Asian Greenhouse Gases Budget, Physical Research Laboratory, Ahmedabad, September 2011.
  • 51. P. K. Patra, J. G. Canadell et al., Regional carbon flux assessment of South Asia and Southeast Asia, 2nd RECCAP workshop, National Conservation Training Center, Shepherdstown, May 2011.
  • 50. P. K. Patra(Invited), Carbon balance of South Asia constrained by CARIBIC & CONTRAIL: towards development of Indian observation network, ISRO-Geosphere Biosphere Programme Annual Meeting, Hyderabad, 2011.
  • 49. P. K. Patra(Invited), Overview of greenhouse gases research (TransCom and RECCAP), ISRO-Geosphere Biosphere Programme Annual Meeting, Hyderabad, 2011.
  • 48. P. K. Patra(Invited), J. Canadell, Towards the establishment of the Southeast Asia carbon budget, B34C-01, AGU Fall Meeting, San Francisco, December 2010.
  • 47. P. K. Patra(Oral and Session Chair), Transport using SF6, Radon & link transport features with CH4 budgets, TransCom meeting, Berkeley, December 2010.
  • 46. P. K. Patra(Invited), J.G. Canadell, R. Boer, P. Ciais, A. Hooijer, R. Houghton, S. Piao, F. Siegert, H. Simbolon, G. van der Werf, Y. Yamagata, TransCom inverse modellers and Terrestrial ecosystem modelers, RECCAP: South and Southeast Asia, 1st RECCAP Meeting, Viterbo, October 2010
  • 45. P. K. Patra(Seminar), Recent activities in GHG modeling work with the ACTM, Harvard University, July 2010
  • 44. P. K. Patra (Seminar), Hydroxyl radical (OH) abundance and interhemispheric ratio derived from methyl chloroform simulations, Massachusetts Institute of Technology, July 2010.
  • 43. P. K. Patra, M. Krol, M. Takigawa, T. Arnold, R. Weiss, J. Elkins, S. Montzka, P. Fraser, P. Krummel, S. Lal, S. O'Doherty, P. Simmonds, R. Prinn, Hydroxyl radical (OH) in the troposphere: lessons learned from methyl chloroform simulations, 11th IGAC/12th CACGP Conference, Halifax, July 2010.
  • 42. Patra, P. K., M. Krol, D. Cunnold, P. Fraser, S. O'Doherty, R. G. Prinn, P. Simmonds, P. Steele, R. Weiss, S. Lal, S. Toyoda, M. Takigawa, K. Ishijima, T. Nakazawa, Simulation of maturity and decay of methyl chloroform (CH3CCl3) in the atmosphere, AGU Fall Meeting, Abstract A52A-08, December 2009.
  • 41. Patra, P. K., Y. Niwa, Y. Sawa, D. Belikov, M. Ikegami, R. Imasu, T. Maki, T. Machida, S. Maksyutov, H. Matsueda, T. Nakazawa, T. Oda, M. Takigawa, CONTRAIL-Transport Model Intercomparison (TMI): analysis of CO2 concentrations in the UT/LS region, 8th Intl. Carbon Dioxide Conf., Jena, September 2009.
  • 40. Patra, P. K., R. J. Andres, R. F. Keeling, Effect of presubtracted fossil fuel emission on inverse model derived CO2 fluxes for the period 1986-2005, 8th Intl. Carbon Dioxide Conf., Jena, September 2009.
  • 39. Patra, P. K., Global warming and air pollution - a brief overview, Indian Meteorol. Soc./Calcutta University, Kolkata, July 2009.
  • 38. Patra, P. K., Role of atmospheric dynamics on interannual variability in methane concentration, Non-CO2 Greenhouse Gases (NCGG-5), Wageningen, July 2009.
  • 37. Patra, P. K., Y. Niwa, Y. Sawa, M. Takigawa, M. Ikegami, R. Imasu, T. Machida, T. Maki, S. Maksyutov, H. Matsueda, T. Oda, S. Taguchi, CONTRAIL Transport Model Intercomparison: Simulation of CO2 concentration in the UT/LS region, Meteorol. Soc. Jpn. Spring Meeting, Tsukuba, May 2009.
  • 36. Patra, P. K., X. Xiong, C. Barnet, E. J. Dlugokencky, U. Karin, K. Tsuboi, and D. Worthy, Validation of CH4 surface emission using forward chemistry-transport model, US EPA Intl. Emission Inventory Conference Comprehensive Inventories - Leveraging Technology and Resources, Baltimore, April 2009.
  • 35. Patra, P. K., Transport model simulation of atmospheric CH4 - implications for surface flux estimation, Eos. Trans. AGU, 89(53), Fall Meet. Suppl., Abstract B33B-0431, December 2008.
  • 34. Patra, P. K., R. M. Law, W. Peters, C. Rodenbeck, Simulating synoptic variations in atmospheric CO2: a model intercomparison, 10th IGAC Conference, Annecy, September 2008.
  • 33. Patra, P. K., K. Miyazaki, M. Takigawa, Global, regional and local scale transport of SF6 and CO2 in the troposphere, TransCom meeting, Utrecht, June 2008.
  • 32. Patra, P. K., S. Maksyutov, T. Yokota, Global transport model simulation of atmospheric tracers and possible usage of regional weather model, The 2nd East Asia WRF Workshop and Tutorial, Seoul, April 2008.
  • 31. Patra, P. K., Land and ocean biospheres coupling inferred from observations and modelling - implications for future predictions, Eos. Trans. AGU, 88(52), Fall Meet. Suppl., Abstract B41F-02, December 2007.
  • 30. Patra, P. K. (Invited), S. Maksyutov, T. Nakazawa, Estimation, validation and understanding of atmospheric-CO2 source/sink variability, Int. Symp. Aerosol-Chem.-Clim. Interactions, November 2007.
  • 29. Patra, P. K., H. Akimoto, The good and bad aerosols: interactions during Indian summer monsoon, IUGG, Perugia, July 2007.
  • 28. Patra, P. K., R. F. Keeling, S. Piper, M. Takigawa, T. Nakazawa, Analysis of seasonal cycles in 50-year records of atmospheric CO2 using an AGCM based transport model, IUGG, Perugia, July 2007.
  • 27. Patra, P. K., M. Takigawa, and K. Ishijima, An AGCM transport and multi-tracer based analysis of atmospheric CO2, JPGU Annual Meeting, Chiba city, May 2007.
  • 26. Patra, P. K., M. Dileep Kumar, N. Mahowald, V.V.S.S. Sarma, On the contrasting chlorophyll abundances in the Arabian Sea and Bay of Bengal, SOLAS Science 2007, Xiamen, March 2007.
  • 25. Patra, P. K., M. S. Santhanam, M. Takigawa, T. Nakazawa, Power-law scaling in atmospheric-CO2 time series - implications for forward and inverse modelling, Eos. Trans. AGU, 87(52), Fall Meet. Suppl., Abstract A31A-0859, December 2006.
  • 24. Patra, P. K., J. K. Moore, N. Mahowald, M. Uematsu, S. Doney, T. Nakazawa, Biogeochemical processes of carbon exchange at the ocean-atmosphere interface, Joint CACGP/IGAC and WMO conference, Cape Town, September, 2006.
  • 23. Patra, P. K., S. Venevsky, M. Ishizawa, S. Maksyutov, G. Inoue, T. Nakazawa, Effects of drought and fire on interannual variability in CO2 fluxes as derived using atmospheric-CO2 inversion, Vulnerability of Carbon to Drought and Fire, Canberra, June 2006.
  • 22. Patra, P. K., K. Ishijima, T. Nakazawa, H. Akimoto, Effect aerosols on the Indian summer monsoon and oceanic biogeochemistry, Asian Aerosol Conference, Mumbai, December 2005.
  • 21. Venevsky, S., Patra, P. K.(jointly with S.V.), S. Maksyutov, G. Inoue, Interannual variability in terrestrial carbon exchange using an ecosystem-fire model and inverse model results, 7th International Carbon Dioxide Conference, Boulder, September 2005.
  • 20. Patra, P. K., K. Ishijima, T. Nakazawa, S. Maksyutov, T. Takahashi, Subcontinental scale source/sink inversion of atmospheric CO2 and interannual variability in CO2 growth rates, 7th International Carbon Dioxide Conference, Boulder, September 2005.
  • 19. Patra, P. K., S. Maksyutov, T. Nakazawa, T. Yokota, G. Inuoe, Estimation of Regional CO2 Fluxes, Interannual Flux Variability, and Future Scopes, AGU Chapman Conference on The Science and Technology of Carbon Sequestration, San Diego, January 2005.
  • 18. Patra, P. K., S. K. Behera, J. R. Herman, H. Akimoto, and T. Yamagata, Effects of atmospheric composition on radiation balance, cloud microphysics and Indian summer monsoon rainfall, 85th Annual Meeting of American Meteorological Society, San Diego, January 2005.
  • 17. Patra, P. K., S. Maksyutov, M. Ishizawa, and T. Nakazawa, Study of Interannual Variability in CO2 Fluxes Using Inverse Modelling of Atmospheric CO2 Observations, 8th International Global Atmospheric Chemistry Conference, Christchurch, September 2004.
  • 16. Patra, P. K., S. Maksyutov, T. Nakazawa, and G. Inoue, Interannual variability of CO2 fluxes from Indian Ocean region derived from atmospheric CO2 data by inverse model, International Workshop on Role of Indian Ocean in Climate Variability over India, Pune, February 2004.
  • 15. Patra, P. K., S. Maksyutov, M. Ishizawa, and T. Nakazawa, Interannual variability in ocean and land CO2 fluxes derived using Time Dependent Inverse model, Eos. Trans. AGU, 84(46), Fall Meet. Suppl., Abstract A52B-0792, December 2003.
  • 14. S. Maksyutov, P. K. Patra, and G. Inoue, High resolution inverse model application to study utility of satellite CO2 data, International Workshop on Monitoring and Modeling of Global Environmental Change, Kyoto, 21-22 October 2003.
  • 13. S. Maksyutov, P. K. Patra, and M. Ishizawa, TDI experiment with NIES model and interannually varying NCEP winds, The TransCom-3 Meeting, Max-Planck Institute, Jena, May 2003.
  • 12. Patra, P. K., S. Maksyutov, A. Ito, and TransCom-3 modelers, An evaluation of an ecosystem model for studying CO2 seasonal cycle and TransCom-3 related activities Transport using multimodel simulations, The TransCom-3 Meeting, Max-Planck Institute, Jena, May 2003.
  • 11. Patra, P. K., S. Maksyutov, and TransCom-3 modelers, Using inverse model to evaluate future CO2 observations: What have we learnt from multimodel transport, EGS-AGU-EUG general assembly, Nice, April 2003.
  • 10. Patra, P. K., S. Maksyutov, G. Inoue, T. Nakazawa, Network Design for CO2 Observation With High Resolution Inversions, American Geophysical Union - Fall Meeting, San Francisco, 2002.
  • 9. Patra, P. K., S. Maksyutov, Y. Sasano, T. Nakazawa, Comparing optimal extension of the CO2 observations: surface vs. satellite, Atmospheric Chemistry within the Earth System: From Regional Pollution to Global Climate Change, Crete, September 2002.
  • 8. Patra, P. K., S. Maksyutov, M. S. Santhanam, Derived trends of CH4 in the lower stratosphere from HALOE measurements, Non-CO2 Greenhouse Gases (NCGG-3) Scientific understanding, control options nd policy aspects, Masstricht, January, 2002.
  • 7. Patra, P. K., S. Lal, comparison of HALOE/UARS derived methane profiles with balloon measurements, American Geophysical Union - Fall Meeting, San Francisco, 2001.
  • 6. Patra, P. K., M. S. Santhanam, On the distributions and EOFs of HALOE/UARS Ozone and Methane, American Geophysical Union - Fall Meeting, San Francisco, 2001.
  • 5. Patra, P. K., S. Maksyutov, and TransCom-3 modelers, Optimal network design for CO2 observations maximizing the inversion performance, Sixth International Carbon Dioxide Conference, Sendai, October 1-5, 2001.
  • 4. Patra, P. K., S. Maksyutov, and TransCom-3 modelers, O2 observation network design from inverse model prospective, Eleventh WMO/IAEA Meeting of Experts on Carbon Dioxide Concentration and Related Tracer Measurement Techniques, Tokyo, September, 2001.
  • 3. Patra, P. K., S. Lal, Measurements of nitrous oxide and methane in the Indian subcontinent, Conference on Chemistry-Climate Interactions, Trieste, June 2-16, 2000.
  • 2. Patra, P. K., V. Sheel, R. Borchers, P. Fabian, Chlorine and bromine partitioning in the stratosphere, 79th Annual Meeting of American Meteorological Society, Dallas, Jan. 1999.
  • 1. Patra, P. K., Air-sea interaction: Connecting the ocean and atmosphere (Invited talk), International Workshop on Perspectives in Atmospheric Chemistry, Ahmedabad, 1996.

Letters, Reports & Press

Technical Documents

Project Participations

Awards and Honours

Member Societies

  • 1. American Geophysical Union (1994-2012,2015)
  • 2. American Meteorological Society (1998-1999)
  • 3. Indian Meteorological Society (life member, 2000-)
  • 4. Meteorological Society of Japan (2009-present)
  • 5. Japan Geoscience Union (2008, 2011-present)
  • 6. Asia Oceania Geophysical Society (2012-present)
  • Societies Activity

    • 1. Session organiser, AGU, AOGS, JpGU
    • 2. Secretary, Asia Oceania Geophysical Society (2013-2015)
    • 3. Vice President, Asia Oceania Geophysical Society (2015-2016)
    • Awards

    • 1. FRSGC/FRCGC/RIGC Outstanding Research Achievements (JFY2003, JFY2005, JFY2006, JFY2013)
    • 2. JAMSTEC Research Achievements Award (JFY2011)
    • 3. Horiuchi Award from the Meteorol. Soc. Jpn. (for significant contribution in interdisciplinary fields related to atmospheric sciences)
    • Honours

    • 1. Appeared in the Frontline of climate change, CGER/NIES, ISSN 1341-4356, 2013
    • 2. Prepared a key figure for IPCC AR5 (Figure 6.15), Ciais et al., 2013, doi:10.1017/CBO9781107415324.015 (GrADS script)
    • 3. Nominated for GRENE-Arctic (JFY 2010-2015) Award - out of ~300 Participating Scientists
    • Paper and Project Review

    • 1. American Geophysical Union (GBC, GRL, JGR-C/D/G)
    • 2. American Physical Society (PRL, PR)
    • 3. Blackwell Publishing (GCB, Tellus)
    • 4. Chinese Journal of Oceanology and Limnology
    • 5. ELSEVIER (AtmosEnv, AtmosPollutRes, AtmosRes, ECSS, Mar. Chem.)
    • 6. European Geophysical Union (ACP, BG, AMT, GMD, ANGEO)
    • 7. Meteorological Society of Japan (JMSJ, SOLA)
    • 8. Nature (Geosci., SciRep.)
    • 9. NISCAR (IJRMS, IJRSP)
    • 10. PNAS (USA)
    • 11. Springer (EMAS, JAC, JOOC, NHAZ)
    • 12. Canadian Space Agency, Canada
    • 13. GOSAT research announcements, Japan
    • 14. National Oceanic and Atmospheric Administration, USA
    • 15. Natural Environment Research Council, UK
    • Conference arrangements

    • 1. Advances in Tropical Weather Prediction, IBM India Research Lab., IIT-Delhi, December 1999
    • 2. AGU fall meeting, Session chair: Upper Atmosphere Research Satellite - Ten years on the orbit, December 2001
    • 3. TransCom meeting, Session chair: Berkeley, December 2010; Scientific organizing committee and Session chair, Nanjing, June 2012
    • 4. APN workshop on South and Southeast Asian greenhouse gases budget, Physical Research Laboratory, Ahmedabad, September, 2011
    • 5. AOGS general assembly, Session chair: Asian greenhouse gases budget, Singapore, August 2012
    • 6. APN workshop on South and Southeast Asian greenhouse gases budget, CIFOR, Bogor, October 2012
    • 7. AOGS general assembly, Session chair: Asian greenhouse gases budget, Brisbane, June 2013
    • 6. APN workshop on Asian greenhouse gases budget, JAMSTEC, Yokohama, April 2014
    • 8. AOGS general assembly, Session chair: Global to regional greenhouse gases measurements and modelling, Sapporo, July 2014
    • 9. Training Course on Fundamentals of Greenhouse Gases Research, Dhaka University, November 2014
    • 10. 4th International Workshop on Asian Greenhouse Gases, JAMSTEC, Yokohama, March 2015
    • 11. Multiple session chair, AOGS general assembly, Singapore, August 2015; Beijing, August 2016; Singapore, 2017
    • 12. Local Organsing Committee, ACAM meeting, Guangzhou, June 2017
    • 13. National Training Workshop on Greenhouse Gas Measurements, Interpretation and Inverse Modeling, IITM-Pune, July, 2017 (Scoping paper)