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Article Dans Une Revue Journal of Atmospheric and Oceanic Technology Année : 2009

Assessment of Cloudsat Reflectivity Measurements and Ice Cloud Properties Using Ground-Based and Airborne Cloud Radar Observations

Résumé

A quantitative assessment of Cloudsat reflectivities and basic ice cloud properties (cloud base, top, and thickness) is conducted in the present study from both airborne and ground-based observations. Airborne observations allow direct comparisons on a limited number of ocean backscatter and cloud samples, whereas the ground-based observations allow statistical comparisons on much longer time series but with some additional assumptions. Direct comparisons of the ocean backscatter and ice cloud reflectivities measured by an airborne cloud radar and Cloudsat during two field experiments indicate that, on average, Cloudsat measures ocean backscatter 0.4 dB higher and ice cloud reflectivities 1 dB higher than the airborne cloud radar. Five ground-based sites have also been used for a statistical evaluation of the Cloudsat reflectivities and basic cloud properties

Domaines

Météorologie
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Dates et versions

hal-00418423 , version 1 (16-11-2019)

Identifiants

Citer

Alain Protat, D. Bouniol, Julien Delanoë, P.T. May, Artemio Plana-Fattori, et al.. Assessment of Cloudsat Reflectivity Measurements and Ice Cloud Properties Using Ground-Based and Airborne Cloud Radar Observations. Journal of Atmospheric and Oceanic Technology, 2009, 26 (9), pp.1717-1741. ⟨10.1175/2009JTECHA1246.1⟩. ⟨hal-00418423⟩
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