Hirofumi Ohyama

According to our database, Hirofumi Ohyama authored at least 9 papers between 2012 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of five.

2024

Validation of Remotely Sensed XCO₂ Products With TCCON Observations in East Asia.

Meng Ji, Yongming Xu, Yang Zhang, Yaping Mo, Shanyou Zhu, Wei Wang, Minqiang Zhou, Isamu Morino, Hirofumi Ohyama, Kei Shiomi, Young-Suk Oh

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2024

2022

Nitrous Oxide Profiling from Infrared Radiances (NOPIR): Algorithm Description, Application to 10 Years of IASI Observations and Quality Assessment.

Sophie Vandenbussche, Bavo Langerock, Corinne Vigouroux, Matthias Buschmann, Nicholas M. Deutscher, Dietrich G. Feist, Omaira Elena García, James W. Hannigan, Frank Hase, Rigel Kivi, Nicolas Kumps, Maria Makarova, Dylan B. Millet, Isamu Morino, Tomoo Nagahama, Justus Notholt, Hirofumi Ohyama, Ivan Ortega, Christof Petri, Markus Rettinger, Matthias Schneider, Christian P. Servais, Mahesh Kumar Sha, Kei Shiomi, Dan Smale, Kimberly Strong, Ralf Sussmann, Yao Té, Voltaire A. Velazco, Mihalis Vrekoussis, Thorsten Warneke, Kelley C. Wells, Debra Wunch, Minqiang Zhou, Martine De Mazière

Remote. Sens., 2022

2020

Bias Correction of the Ratio of Total Column CH4 to CO2 Retrieved from GOSAT Spectra.

Haruki Oshio, Yukio Yoshida, Tsuneo Matsunaga, Nicholas M. Deutscher, Manvendra K. Dubey, David W. T. Griffith, Frank Hase, Laura T. Iraci, Rigel Kivi, Cheng Liu, Isamu Morino, Justus Notholt, Young-Suk Oh, Hirofumi Ohyama, Christof Petri, David F. Pollard, Coleen M. Roehl, Kei Shiomi, Ralf Sussmann, Yao Té, Voltaire A. Velazco, Thorsten Warneke, Debra Wunch

Remote. Sens., 2020

Validation of Carbon Trace Gas Profile Retrievals from the NOAA-Unique Combined Atmospheric Processing System for the Cross-Track Infrared Sounder.

Nicholas R. Nalli, Changyi Tan, Juying Warner, Murty Divakarla, Antonia Gambacorta, Michael Wilson, Tong Zhu, Tianyuan Wang, Zigang Wei, Kenneth L. Pryor, Satya Kalluri, Lihang Zhou, Colm Sweeney, Bianca C. Baier, Kathryn McKain, Debra Wunch, Nicholas M. Deutscher, Frank Hase, Laura T. Iraci, Rigel Kivi, Isamu Morino, Justus Notholt, Hirofumi Ohyama, David F. Pollard, Yao Té, Voltaire A. Velazco, Thorsten Warneke, Ralf Sussmann, Markus Rettinger

Remote. Sens., 2020

2019

Evaluation of Bias Correction Methods for GOSAT SWIR XH₂O Using TCCON data.

Tran Thi Ngoc Trieu, Isamu Morino, Hirofumi Ohyama, Osamu Uchino, Ralf Sussmann, Thorsten Warneke, Christof Petri, Rigel Kivi, Frank Hase, David F. Pollard, Nicholas M. Deutscher, Voltaire A. Velazco, Laura T. Iraci, James R. Podolske, Manvendra K. Dubey

Remote. Sens., 2019

2017

Intercomparison of XH₂O Data from the GOSAT TANSO-FTS (TIR and SWIR) and Ground-Based FTS Measurements: Impact of the Spatial Variability of XH₂O on the Intercomparison.

Hirofumi Ohyama, Shuji Kawakami, Kei Shiomi, Isamu Morino, Osamu Uchino

Remote. Sens., 2017

Global land mapping of satellite-observed CO2 total columns using spatio-temporal geostatistics.

Zhaocheng Zeng, Liping Lei, Kimberly Strong, Dylan B. A. Jones, Lijie Guo, Min Liu, Feng Deng, Nicholas M. Deutscher, Manvendra K. Dubey, David W. T. Griffith, Frank Hase, Bradley Henderson, Rigel Kivi, Rodica Lindenmaier, Isamu Morino, Justus Notholt, Hirofumi Ohyama, Christof Petri, Ralf Sussmann, Voltaire A. Velazco, Paul O. Wennberg, Hui Lin

Int. J. Digit. Earth, 2017

2014

Long-Term Vicarious Calibration of GOSAT Short-Wave Sensors: Techniques for Error Reduction and New Estimates of Radiometric Degradation Factors.

Akihiko Kuze, Thomas E. Taylor, Fumie Kataoka, Carol J. Bruegge, David Crisp, Masatomo Harada, Mark Helmlinger, Makoto Inoue, Shuji Kawakami, Nobuhiro Kikuchi, Yasushi Mitomi, Jumpei Murooka, Masataka Naitoh, Denis M. O'Brien, Christopher W. O'Dell, Hirofumi Ohyama, Harold Pollock, Florian M. Schwandner, Kei Shiomi, Hiroshi Suto, Toru Takeda, Tomoaki Tanaka, Tomoyuki Urabe, Tatsuya Yokota, Yukio Yoshida

IEEE Trans. Geosci. Remote. Sens., 2014

2012

Retrievals of Total and Tropospheric Ozone From GOSAT Thermal Infrared Spectral Radiances.

Hirofumi Ohyama, Shuji Kawakami, Kei Shiomi, Koji Miyagawa

IEEE Trans. Geosci. Remote. Sens., 2012