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Proceedings Paper

MERIS level 2 products over land: present status and potential improvements
Author(s): Didier Ramon; Richard P. Santer; Jerome Vidot
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Paper Abstract

The detection of Dense Dark Vegetation (DDV) using the Atmospherically Resistant Vegetation Index (ARVI) and then the aerosol retrieval over DDV is the critical point of the atmospheric correction scheme over land for MERIS implemented in the level 2 processor. We present here what we can expect from the MERIS product by applying a MERIS-like land algorithm to SeaWiFS data over Europe. It is shown that the DDV cover is sufficient in summer but not in winter where an extension of the concept of DDV is needed in order to enable an operational aerosol characterisation. A linear relationship between ARVI and reflectance of the extended DDV in the red should allow the use of such grey targets for the retrieval of aerosol optical properties (aerosol optical thickness at 550 nm and Angström coefficient) throughout the year with a little loss of accuracy

Paper Details

Date Published: 9 April 2003
PDF: 10 pages
Proc. SPIE 4891, Optical Remote Sensing of the Atmosphere and Clouds III, (9 April 2003); doi: 10.1117/12.467545
Show Author Affiliations
Didier Ramon, Hygeos (United States)
Richard P. Santer, Univ. du Littoral Cote d'Opale (United States)
Jerome Vidot, Univ. du Littoral Cote d'Opale (United States)

Published in SPIE Proceedings Vol. 4891:
Optical Remote Sensing of the Atmosphere and Clouds III
Hung-Lung Huang; Daren Lu; Yasuhiro Sasano, Editor(s)

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