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| Home > Publications database > Radiance calibration of CRISTA-NF |
| Journal Article | PreJuSER-57890 |
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2009
Elsevier Science
Amsterdam [u.a.]
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Please use a persistent id in citations: doi:10.1016/j.asr.2009.03.009
Abstract: The CRISTA-NF instrument is the airborne version of the CRISTA satellite infrared limb sounder. It has been successfully flown on the Geophysica research airplane during a test campaign in July 2005, during the SCOUT-03 Tropical Aircraft Campaign in November/December 2005 and during the AMMA campaign in August 2006. Radiance calibrations of the airborne instrument are more complex compared to the satellite instrument because the vacuum shell of CRISTA-NF is confined by a ZnSe (zinc-selenide) window and the detectors can thermally drift during measurement flights. By comprehensive radiance calibrations with a blackbody source the window's emissivity and transmissivity are determined and the dependence of the instrument sensitivity on the detector temperature is characterized. Taking these effects into account, the remaining radiance error of the calibration is smaller than 3%. (C) 2009 COSPAR. Published by Elsevier Ltd. All rights reserved.
Keyword(s): J ; CRISTA-NF (auto) ; Airborne (auto) ; Limb sounder (auto) ; Remote sensing (auto) ; Infrared (auto) ; Calibration (auto)
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