Airborne flight campaign for GOSAT validation

Tomoaki Tanaka; Daisuke Sakaizawa; Isamu Morino; Yuki Miyamoto; Makoto Inoue; Toshinobu Machida; Yosuke Sawa; Hidekazu Matsueda; Shuji Kawakami; Masakatsu Nakajima; Osamu Uchino

doi:10.1117/12.898549

14 October 2011 Airborne flight campaign for GOSAT validation

Tomoaki Tanaka, Daisuke Sakaizawa, Isamu Morino, Yuki Miyamoto, Makoto Inoue, Toshinobu Machida, Yosuke Sawa, Hidekazu Matsueda, Shuji Kawakami, Masakatsu Nakajima, Osamu Uchino

Author Affiliations +

Proceedings Volume 8176, Sensors, Systems, and Next-Generation Satellites XV; 81760J (2011) https://doi.org/10.1117/12.898549
Event: SPIE Remote Sensing, 2011, Prague, Czech Republic

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.

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Tomoaki Tanaka, Daisuke Sakaizawa, Isamu Morino, Yuki Miyamoto, Makoto Inoue, Toshinobu Machida, Yosuke Sawa, Hidekazu Matsueda, Shuji Kawakami, Masakatsu Nakajima, and Osamu Uchino "Airborne flight campaign for GOSAT validation", Proc. SPIE 8176, Sensors, Systems, and Next-Generation Satellites XV, 81760J (14 October 2011); https://doi.org/10.1117/12.898549

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