Long term (1983-1994) calibration of the Meteosat solar (VIS) channel using desert and ocean targets
作者:
C. MOULIN,
C. E. LAMBERT,
J. POITOU,
F. DULAC,
期刊:
International Journal of Remote Sensing
(Taylor Available online 1996)
卷期:
Volume 17,
issue 6
页码: 1183-1200
ISSN:0143-1161
年代: 1996
DOI:10.1080/01431169608949076
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
The successive operational Meteosat solar (VIS) sensors have shown significant variations of their spectral band which affected their relative sensitivities to the light scattering by aerosols, molecules and Earth surface. This paper provides a calibration of the various Meteosat VIS sensors used between June 1983, the beginning of data archiving for the International Satellite Cloud Climatology Project (ISCCP), and December 1994, taking into account the characteristics of their individual spectral band thanks to an atmospheric radiative transfer model. The method is based on a monitoring of the reflectance of desert and ocean targets free of clouds and aerosols, and relies on the absolute vicarious calibration of Meteosat-2 performed in late 1981. We find different sensitivities and temporal evolutions for Meteosat-2, -3, -4, and -5, and our results compare well with other more limited calibration studies
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