Seasonal evaluation of tropospheric CO₂ over the Asia-Pacific region observed by the CONTRAIL commercial airliner measurements

by T. Umezawa, H. Matsueda, Y. Sawa, Y. Niwa, Y. Niwa, T. Machida, L. Zhou
Published 2018-10-01

ESTIMATION OF CANOPY HEIGHT AND BIOMASS OF <i>MISCANTHUS SINENSIS</i> IN SEMI-NATURAL GRASSLAND USING TIME-SERIES UAV DATA

by N. Miura, S. Yamada, Y. Niwa
Published 2020-08-01

Estimation of fire-induced carbon emissions from Equatorial Asia in 2015 using in situ aircraft and ship observations

by Y. Niwa, Y. Niwa, Y. Sawa, Y. Sawa, H. Nara, T. Machida, H. Matsueda, H. Matsueda, T. Umezawa, A. Ito, S.-I. Nakaoka, H. Tanimoto, Y. Tohjima
Published 2021-06-01

Secular change in atmospheric Ar∕N₂ and its implications for ocean heat uptake and Brewer–Dobson circulation

by S. Ishidoya, S. Sugawara, Y. Tohjima, D. Goto, K. Ishijima, Y. Niwa, N. Aoki, S. Murayama
Published 2021-02-01

Annual variation of CH4 emissions from the middle taiga in West Siberian Lowland (2005&#x2013;2009): a case of high CH4 flux and precipitation rate in the summer of 2007

by M. Sasakawa, A. Ito, T. Machida, N. Tsuda, Y. Niwa, D. Davydov, A. Fofonov, M. Arshinov
Published 2012-03-01

Carbon balance of South Asia constrained by passenger aircraft CO₂ measurements

by H. Matsueda, T. Machida, C. A. M. Brenninkmeijer, T. J. Schuck, Y. Niwa, P. K. Patra, Y. Sawa
Published 2011-05-01

Quantification of emission estimates of CO2, CH4 and CO for East Asia derived from atmospheric radon-222 measurements over the western North Pacific

by A. Wada, H. Matsueda, S. Murayama, S. Taguchi, S. Hirao, H. Yamazawa, J. Moriizumi, K. Tsuboi, Y. Niwa, Y. Sawa
Published 2013-03-01

Bias assessment of lower and middle tropospheric CO₂ concentrations of GOSAT/TANSO-FTS TIR version 1 product

by N. Saitoh, S. Kimoto, S. Kimoto, R. Sugimura, R. Sugimura, R. Imasu, K. Shiomi, A. Kuze, Y. Niwa, T. Machida, Y. Sawa, H. Matsueda
Published 2017-10-01

A 4D-Var inversion system based on the icosahedral grid model (NICAM-TM 4D-Var v1.0) – Part 1: Offline forward and adjoint transport models

by Y. Niwa, H. Tomita, M. Satoh, R. Imasu, Y. Sawa, K. Tsuboi, H. Matsueda, T. Machida, M. Sasakawa, B. Belan, N. Saigusa
Published 2017-03-01

A 4D-Var inversion system based on the icosahedral grid model (NICAM-TM 4D-Var v1.0) – Part 2: Optimization scheme and identical twin experiment of atmospheric CO₂ inve...

by Y. Niwa, Y. Fujii, Y. Sawa, Y. Iida, A. Ito, M. Satoh, M. Satoh, R. Imasu, K. Tsuboi, H. Matsueda, N. Saigusa
Published 2017-06-01

Three-dimensional variations of atmospheric CO₂: aircraft measurements and multi-transport model simulations

by M. Satoh, T. Oda, S. Maksyutov, R. Imasu, M. Ikegami, T. Maki, D. Belikov, T. Machida, H. Matsueda, P. K. Patra, Y. Sawa, Y. Niwa, M. Takigawa
Published 2011-12-01

Evaluation of a new JMA aircraft flask sampling system and laboratory trace gas analysis system

by K. Tsuboi, H. Matsueda, Y. Sawa, Y. Niwa, M. Nakamura, D. Kuboike, K. Saito, H. Ohmori, S. Iwatsubo, H. Nishi, Y. Hanamiya, K. Tsuji, Y. Baba
Published 2013-05-01

Global atmospheric carbon budget: results from an ensemble of atmospheric CO₂ inversions

by P. Peylin, R. M. Law, K. R. Gurney, F. Chevallier, A. R. Jacobson, T. Maki, Y. Niwa, P. K. Patra, W. Peters, P. J. Rayner, C. Rödenbeck, I. T. van der Laan-Luijkx, X. Zhang
Published 2013-10-01

The carbon budget of South Asia

by P. K. Patra, 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, R. Lasco
Published 2013-01-01

Air–sea CO₂ flux in the Pacific Ocean for the period 1990&ndash;2009

by M. Ishii, 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, T. Takahashi
Published 2014-02-01

Global Carbon Budget 2020

by P. Friedlingstein, P. Friedlingstein, M. O'Sullivan, M. W. Jones, R. M. Andrew, J. Hauck, A. Olsen, A. Olsen, G. P. Peters, W. Peters, W. Peters, J. Pongratz, J. Pongratz, S. Sitch, C. Le Quéré, J. G. Canadell, P. Ciais, R. B. Jackson, S. Alin, L. E. O. C. Aragão, L. E. O. C. Aragão, A. Arneth, V. Arora, N. R. Bates, N. R. Bates, M. Becker, M. Becker, A. Benoit-Cattin, H. C. Bittig, L. Bopp, S. Bultan, N. Chandra, N. Chandra, F. Chevallier, L. P. Chini, W. Evans, L. Florentie, P. M. Forster, T. Gasser, M. Gehlen, D. Gilfillan, T. Gkritzalis, L. Gregor, N. Gruber, I. Harris, K. Hartung, K. Hartung, V. Haverd, R. A. Houghton, T. Ilyina, A. K. Jain, E. Joetzjer, K. Kadono, E. Kato, V. Kitidis, J. I. Korsbakken, P. Landschützer, N. Lefèvre, A. Lenton, S. Lienert, Z. Liu, D. Lombardozzi, G. Marland, G. Marland, N. Metzl, D. R. Munro, D. R. Munro, J. E. M. S. Nabel, S.-I. Nakaoka, Y. Niwa, Y. Niwa, K. O'Brien, K. O'Brien, T. Ono, P. I. Palmer, P. I. Palmer, D. Pierrot, B. Poulter, L. Resplandy, E. Robertson, C. Rödenbeck, J. Schwinger, J. Schwinger, R. Séférian, I. Skjelvan, I. Skjelvan, A. J. P. Smith, A. J. Sutton, T. Tanhua, P. P. Tans, H. Tian, B. Tilbrook, B. Tilbrook, G. van der Werf, N. Vuichard, A. P. Walker, R. Wanninkhof, A. J. Watson, D. Willis, A. J. Wiltshire, W. Yuan, X. Yue, S. Zaehle
Published 2020-12-01

The Global Methane Budget 2000–2017

by M. Saunois, A. R. Stavert, B. Poulter, P. Bousquet, J. G. Canadell, R. B. Jackson, P. A. Raymond, E. J. Dlugokencky, S. Houweling, S. Houweling, P. K. Patra, P. K. Patra, P. Ciais, V. K. Arora, D. Bastviken, P. Bergamaschi, D. R. Blake, G. Brailsford, L. Bruhwiler, K. M. Carlson, K. M. Carlson, M. Carrol, S. Castaldi, S. Castaldi, S. Castaldi, N. Chandra, C. Crevoisier, P. M. Crill, K. Covey, C. L. Curry, C. L. Curry, G. Etiope, G. Etiope, C. Frankenberg, C. Frankenberg, N. Gedney, M. I. Hegglin, L. Höglund-Isaksson, G. Hugelius, M. Ishizawa, A. Ito, G. Janssens-Maenhout, K. M. Jensen, F. Joos, T. Kleinen, P. B. Krummel, R. L. Langenfelds, G. G. Laruelle, L. Liu, T. Machida, S. Maksyutov, K. C. McDonald, J. McNorton, P. A. Miller, J. R. Melton, I. Morino, J. Müller, F. Murguia-Flores, V. Naik, Y. Niwa, Y. Niwa, S. Noce, S. O'Doherty, R. J. Parker, C. Peng, S. Peng, G. P. Peters, C. Prigent, R. Prinn, M. Ramonet, P. Regnier, W. J. Riley, J. A. Rosentreter, A. Segers, I. J. Simpson, H. Shi, S. J. Smith, S. J. Smith, L. P. Steele, B. F. Thornton, H. Tian, Y. Tohjima, F. N. Tubiello, A. Tsuruta, N. Viovy, A. Voulgarakis, A. Voulgarakis, T. S. Weber, M. van Weele, G. R. van der Werf, R. F. Weiss, D. Worthy, D. Wunch, Y. Yin, Y. Yin, Y. Yoshida, W. Zhang, Z. Zhang, Y. Zhao, B. Zheng, Q. Zhu, Q. Zhu, Q. Zhuang
Published 2020-07-01