A NEW CLIMATOLOGY OF THE AEROSOLS BASED ON THEIR INHERENT OPTICAL PROPERTIES FOR THE MERIS ATMOSPHERIC CORRECTIONS OVER OCEAN
ABSTRACT In the classical scheme of atmospheric corrections over oceans, the derivation of aerosol path radiances in the visible region is achieved using aerosol models deduced from the spectral dependency of atmospheric signals in the near-infrared domain. Standard models are generally included in...
| Main Authors: | , , |
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| Other Authors: | |
| Format: | Text |
| Language: | English |
| Subjects: | |
| Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1055.1318 |
| Summary: | ABSTRACT In the classical scheme of atmospheric corrections over oceans, the derivation of aerosol path radiances in the visible region is achieved using aerosol models deduced from the spectral dependency of atmospheric signals in the near-infrared domain. Standard models are generally included in the aerosol climatology, but the latter is not sufficient to describe variety of aerosols encountered over coastal areas. One way to extend this climatology consists in the generation of additional models. Coastal and inland CIMEL stations from AERONET (AErosol RObotic NETwork) offer an extensive data set of aerosol characteristics in marine environment through solar extinction and sky radiance measurements. Data collected by 25 stations during several years have been processed with an iterative method of aerosol phase functions retrieval developed at ULCO, to build-up a very large database (~7000 sequences). Statistical methods applied on this data set allowed to discard the wrong sequences and to suggest a classification in aerosol models through their inherent optical properties. |
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