Development of F82H composite materials with a high thermal conductivity

by Ziwei Chen, Y. Sawa, N. Hashimoto
Published 2018-08-01

Seasonal characteristics of trace gas transport into the extratropical upper troposphere and lower stratosphere

by Y. Inai, R. Fujita, R. Fujita, T. Machida, H. Matsueda, Y. Sawa, Y. Sawa, K. Tsuboi, K. Katsumata, K. Katsumata, S. Morimoto, S. Aoki, T. Nakazawa
Published 2019-05-01

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

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

Carbon and hydrogen isotopic ratios of atmospheric methane in the upper troposphere over the Western Pacific

by T. Umezawa, T. Machida, K. Ishijima, H. Matsueda, Y. Sawa, P. K. Patra, S. Aoki, T. Nakazawa
Published 2012-09-01

Evaluation of anthropogenic emissions of carbon monoxide in East Asia derived from the observations of atmospheric radon-222 over the western North Pacific

by A. Wada, H. Matsueda, S. Murayama, S. Taguchi, A. Kamada, M. Nosaka, K. Tsuboi, Y. Sawa
Published 2012-12-01

CO₂ column-averaged volume mixing ratio derived over Tsukuba from measurements by commercial airlines

by H. Ohyama, T. Yokota, H. Matsueda, Y. Sawa, T. Machida, I. Morino, M. Araki, O. Uchino
Published 2010-08-01

Aircraft measurements of carbon dioxide and methane for the calibration of ground-based high-resolution Fourier Transform Spectrometers and a comparison to GOSAT data measured over...

by T. Tanaka, Y. Miyamoto, I. Morino, T. Machida, T. Nagahama, Y. Sawa, H. Matsueda, D. Wunch, S. Kawakami, O. Uchino
Published 2012-08-01

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

Algorithm update of the GOSAT/TANSO-FTS thermal infrared CO₂ product (version 1) and validation of the UTLS CO₂ data using CONTRAIL measurements

by N. Saitoh, S. Kimoto, R. Sugimura, R. Imasu, S. Kawakami, K. Shiomi, A. Kuze, T. Machida, Y. Sawa, H. Matsueda
Published 2016-05-01

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

Carbon balance of China constrained by CONTRAIL aircraft CO₂ measurements

by F. Jiang, H. M. Wang, J. M. Chen, T. Machida, L. X. Zhou, W. M. Ju, H. Matsueda, Y. Sawa
Published 2014-09-01

Diagnosing recent CO emissions and ozone evolution in East Asia using coordinated surface observations, adjoint inverse modeling, and MOPITT satellite data

by H. Tanimoto, Y. Sawa, S. Yonemura, K. Yumimoto, H. Matsueda, I. Uno, T. Hayasaka, H. Mukai, Y. Tohjima, K. Tsuboi, L. Zhang
Published 2008-07-01

Development of a balloon-borne instrument for CO₂ vertical profile observations in the troposphere

by M. Ouchi, Y. Matsumi, T. Nakayama, K. Shimizu, T. Sawada, T. Machida, H. Matsueda, Y. Sawa, I. Morino, O. Uchino, T. Tanaka, T. Tanaka, R. Imasu
Published 2019-10-01

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

The 2007–2011 evolution of tropical methane in the mid-troposphere as seen from space by MetOp-A/IASI

by C. Crevoisier, D. Nobileau, R. Armante, L. Crépeau, T. Machida, Y. Sawa, H. Matsueda, T. Schuck, T. Thonat, J. Pernin, N. A. Scott, A. Chédin
Published 2013-04-01

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