Updated spectral radiance calibration on TIR bands for TANSO-FTS-2 onboard GOSAT-2
Abstract - 1 - 1 σ - 1 2 spectral range. The brightness temperatures between TANSO-FTS-2 and TANSO-FTS of version v230231, which implemented a new polarization reflectivity of the pointing mirror and was released in June 2021, generally agree from 220 to 320 K. However, there is a discrepancy at lower brightness temperatures, pronounced for CO2 spectral ranges at high latitudes. To characterize the spectral radiance bias for along-track and cross-track angles, a 2-orthogonal simultaneous off-nadir overpass (2O-SONO) is now done for TANSO-FTS-2 and IASI, TANSO-FTS-2 and AIRS, and TANSO-FTS-2 and TANSO-FTS. The 2O-SONO comparison results indicate that the TIR product for TANSO-FTS-2 has a bias that exceeds 0.5 K in the CO2 spectral range for scenes with forward and backward viewing angles greater than 20∘. These multi-satellite sensor and multi-angle comparison results suggest that the calibration of spectral radiance for TANSO-FTS-2 TIR, version v210210, is superior to that of the previous version in its consistency of multi-satellite sensor data. In addition, the paper identifies the remaining challenging issues in current TIR products.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Updated spectral radiance calibration on TIR bands for TANSO-FTS-2 onboard GOSAT-2 ; volume:15 ; number:18 ; year:2022 ; pages:5399-5413 ; extent:15
Atmospheric measurement techniques ; 15, Heft 18 (2022), 5399-5413 (gesamt 15)
- Urheber
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Suto, Hiroshi
Kataoka, Fumie
Knuteson, Robert O.
Shiomi, Kei
Kikuchi, Nobuhiro
Kuze, Akihiko
- DOI
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10.5194/amt-15-5399-2022
- URN
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urn:nbn:de:101:1-2022092905265502135616
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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15.08.2025, 07:27 MESZ
Datenpartner
Deutsche Nationalbibliothek. Bei Fragen zum Objekt wenden Sie sich bitte an den Datenpartner.
Beteiligte
- Suto, Hiroshi
- Kataoka, Fumie
- Knuteson, Robert O.
- Shiomi, Kei
- Kikuchi, Nobuhiro
- Kuze, Akihiko
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