Validation of Envisat Rain Detection and Rain Rate Estimates by Comparing With TRMM Data

Type Article
Date 2008-10
Language English
Author(s) Tran N1, Tournadre Jean2, Femenias P3
Affiliation(s) 1 : CLS, Space Oceanog Div, F-31520 Ramonville St Agne, France.
2 : IFREMER, Technopole Brest Iroise, F-29280 Plouzane, France.
3 : European Space Agcy, European Space Res Inst Earth Observat ESRIN, I-00044 Frascati, Italy.
Source Geoscience and Remote Sensing Letters (1545-598X) (IEEE), 2008-10 , Vol. 5 , N. 4 , P. 658-662
DOI 10.1109/LGRS.2008.2002043
WOS© Times Cited 4
Keyword(s) remote sensing, rain, radar cross sections, Altimetry
Abstract This letter provides validation results on both Envisat altimeter rain detection flag and rain rate estimates. This assessment was performed based on 18-month collocated data sets between Envisat with two sensor measurements from the Tropical Rainfall Measuring Mission, i.e., the microwave imager and the precipitation radar. Along with the comparison between closest sensor measurements with strict spatial and temporal criteria, discussion is also provided on environmental context insight when interpreting comparison results based on collocated data.
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