Detection of cloud cover fractions by GOME polarization measurement detectors and validation by surface observations

Olaf Tuinder

doi:10.1117/12.413847

31 January 2001 Detection of cloud cover fractions by GOME polarization measurement detectors and validation by surface observations

Olaf Tuinder

Author Affiliations +

Proceedings Volume 4168, Remote Sensing of Clouds and the Atmosphere V; (2001) https://doi.org/10.1117/12.413847
Event: Europto Remote Sensing, 2000, Barcelona, Spain

Abstract

The GOME instrument on board of the European Space Agency's ERS-2 satellite is a nadir viewing across track scanning spectrometer measuring the reflectivity of the earth in the visual spectral range and it has a spatial resolution of 320 by 40 km. The same wide swath is also seen by three broad band Polarization Measurement Detectors (PMDs) in the same instrument with a higher spatial resolution of 20 by 40 km, thus dividing the wide swath into 16 smaller sub-pixels. The polarization cloud recognition algorithm is used to calculate a cloud cover fraction. This work shows some results of a comparison between calculated cloud fractions from the PMDs and co-located surface observations in the Netherlands for August 1997, 1998 and 1999.

Citation Download Citation

Olaf Tuinder "Detection of cloud cover fractions by GOME polarization measurement detectors and validation by surface observations", Proc. SPIE 4168, Remote Sensing of Clouds and the Atmosphere V, (31 January 2001); https://doi.org/10.1117/12.413847

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