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Article Dans Une Revue Atmospheric Chemistry and Physics Discussions Année : 2008

Cloud and surface classification using SCIAMACHY polarization measurement devices

Résumé

A simple scheme has been developed to discriminate surface, sun glint and cloud properties in satellite based spectrometer data utilizing visible and near infrared information. It has been designed for the use with data measured by SCIAMACHY's (SCanning Imaging Absorption SpectroMeter for Atmospheric CHartographY) Polarization Measurement Devices but the applicability is not strictly limited to this instrument. The scheme is governed by a set of constraints and thresholds developed by using satellite imagery and meteorological data. Classification targets are ice, water and generic clouds, sun glint and surface parameters, such as water, snow/ice, desert and vegetation. The validation is done using MERIS (MEdium Resolution Imaging Spectrometer) and meteorological data from METAR (MÉTéorologique Aviation Régulière ? a network for the provision of meteorological data for aviation). Qualitative and quantitative validation using MERIS satellite imagery shows good agreement. The comparison with METAR data exhibits very good agreement.
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Dates et versions

hal-00304199 , version 1 (18-06-2008)

Identifiants

  • HAL Id : hal-00304199 , version 1

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W. A. Lotz, M. Vountas, T. Dinter, J. P. Burrows. Cloud and surface classification using SCIAMACHY polarization measurement devices. Atmospheric Chemistry and Physics Discussions, 2008, 8 (3), pp.9855-9881. ⟨hal-00304199⟩

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