A regional snow-line method for estimating snow cover from MODIS during cloud cover (Articolo in rivista)

Type
Label
  • A regional snow-line method for estimating snow cover from MODIS during cloud cover (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.jhydrol.2009.11.042 (literal)
Alternative label
  • Parajka J; Pepe M; Rampini A.; Rossi S.; Bloschl G. (2010)
    A regional snow-line method for estimating snow cover from MODIS during cloud cover
    in Journal of hydrology (Amst.); Elsevier B.V., Amsterdam (Belgio)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Parajka J; Pepe M; Rampini A.; Rossi S.; Bloschl G. (literal)
Pagina inizio
  • 203 (literal)
Pagina fine
  • 212 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 381 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 9 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Parajka, Bloschl: Vienna Univ Technol, Inst Hydraul & Water Resources Engn, A-1040 Vienna, Austria Slovak Acad Sci, Inst Hydrol, Liptovsky Mikulas, Slovakia Pepe, Rampini: IREA, Consiglio Nazl Ric, I-20133 Milan, Italy Rossi: Commiss European Communities, Joint Res Ctr, Inst Environm & Sustainabil, I-21020 Ispra, VA Italy (literal)
Titolo
  • A regional snow-line method for estimating snow cover from MODIS during cloud cover (literal)
Abstract
  • The objective of this study is to propose and evaluate a method for snow cover mapping during clouds using the daily MODIS/Terra snow cover product. The proposed SNOWL approach is based on reclassifying pixels assigned as clouds to snow or land according to their relative position to the regional snow-line elevation. The accuracy of the SNOWL approach is evaluated over Austria, using daily snow depth measurements at 754 climate stations and daily MODIS/Terra images in the period July 2002-December 2005. The results indicate that the SNOWL method provides a robust snow cover mapping over the entire region even if the MODIS/Terra cloud cover is as large as 90%. Cloudiness is decreased from 60% (MODIS/Terra) to 10% (SNOWL) without hardly any change in mapping accuracy. Sensitivity analyses indicate that the estimation of the regional snow-line elevation is particularly sensitive to the misclassification of cirrus clouds as snow in the period between May and October. (literal)
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