Title :
Retrieval of snow characteristics from spaceborne scatterometer data
Author :
Hallikainen, Martti ; Halme, Pekka ; Lahtinen, Panu ; Pulliainen, Jouni
Author_Institution :
Lab. of Space Technol., Helsinki Univ. of Technol., Espoo, Finland
Abstract :
We study the feasibility of using space borne scatterometer (QuikScat onboard SeaWinds) data for retrieval of snow parameters in Finland: onset of snow melt, end of snow melt, and fraction of snow-covered area during the seasonal snow melting period. The results are based on satellite and ground truth data for 21 test sites in Finland covering the winters of 1999-2000, 2000-2001 and 2001-2002. Radar-derived time series of snowmelt are produced and compared with corresponding snow products based on optical MODIS spectrometer data.
Keywords :
climatology; hydrological techniques; melting; remote sensing; remote sensing by radar; snow; synthetic aperture radar; time series; AD 1999 to 2000; AD 2000 to 2001; AD 2001 to 2002; Finland; QuikScat onboard SeaWinds; radar derived snowmelt time series; seasonal snow melting period; snow parameters; snow properties; snow-covered area; spaceborne scatterometer data; winter; Backscatter; Information retrieval; Land surface temperature; Ocean temperature; Radar measurements; Snow; Space technology; Spaceborne radar; Synthetic aperture radar; Testing;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 2004. IGARSS '04. Proceedings. 2004 IEEE International
Print_ISBN :
0-7803-8742-2
DOI :
10.1109/IGARSS.2004.1370698
