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Proceedings Paper

Airborne flight campaign for GOSAT validation
Author(s): Tomoaki Tanaka; Daisuke Sakaizawa; Isamu Morino; Yuki Miyamoto; Makoto Inoue; Toshinobu Machida; Yosuke Sawa; Hidekazu Matsueda; Shuji Kawakami; Masakatsu Nakajima; Osamu Uchino
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Paper Abstract

Continuous validation of data observed by satellites, such as Greenhouse gases Observing SATellite (GOSAT), is important to qualify the long-term trends of greenhouse gases. High-precision data over the restricted region measured by ground-based high-resolution Fourier transform spectrometers (g-b FTS), airborne in-situ instruments, and flask sampling devices have been used for the validation of satellite data. As part of CAL/VAL (Calibration/Validation) activities of the GOSAT, airborne flight campaigns were performed over Tsukuba and Moshiri using the ground-based FTS, airborne in-situ and flask devices, and 1.57-μm Laser Absorption Sensor (LAS). Airborne flask sampling and insitu carbon dioxide (CO2) sensors were carried out to obtain vertical profiles of the CO2 mixing ratio while ground-based FTS and LAS measured solar direct spectra and weighted column-averaged CO2, respectively. Those results were used to decide a calibration factor of the ground-based FTS and compared with GOSAT products over Tsukuba. We will report the comparison results of the aircraft campaign measurements and the retrieval value from the FTS.

Paper Details

Date Published: 14 October 2011
PDF: 6 pages
Proc. SPIE 8176, Sensors, Systems, and Next-Generation Satellites XV, 81760J (14 October 2011); doi: 10.1117/12.898549
Show Author Affiliations
Tomoaki Tanaka, National Institute for Environmental Studies (Japan)
Daisuke Sakaizawa, Japan Aerospace Exploration Agency (Japan)
Isamu Morino, National Institute for Environmental Studies (Japan)
Yuki Miyamoto, National Institute for Environmental Studies (Japan)
Makoto Inoue, National Institute for Environmental Studies (Japan)
Toshinobu Machida, National Institute for Environmental Studies (Japan)
Yosuke Sawa, Meteorological Research Institute (Japan)
Hidekazu Matsueda, Meteorological Research Institute (Japan)
Shuji Kawakami, Japan Aerospace Exploration Agency (Japan)
Masakatsu Nakajima, Japan Aerospace Exploration Agency (Japan)
Osamu Uchino, National Institute for Environmental Studies (Japan)

Published in SPIE Proceedings Vol. 8176:
Sensors, Systems, and Next-Generation Satellites XV
Roland Meynart; Steven P. Neeck; Haruhisa Shimoda, Editor(s)

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