Estimation of snow pack characteristics by means of polarimetric SAR data
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Abstract
Characterization of the snow-pack is fundamental for several applications in hydrology, such as modelling and
forecasting of snow melt runoff, water resource management and risk analysis. Thanks to its night/day capabilities and
weather conditions independence, Synthetic Aperture Radar (SAR) represents a valuable tool for snow monitoring,
especially in mountain areas often covered by clouds.
The goal of the research project presented in this communication is to investigate the sensitivity of fully polarimetric Cband
satellite SAR data to different conditions of the snow-pack.
The work is based on the use of RADARSAT-2 C-band SAR data and collocated in-situ measurements acquired during
two ground campaigns over an area located in the Catalan Pyrenees, that took place between February to October 2011.
The main outcome of this study is the definition of two new polarimetric parameters sensitive to the snow presence, able
to distinguish between dry-snow and non snow cover, allowing a qualitative remote sensing with C-band polarimetric
space-borne SAR data. The importance of developing an application based on remote sensed data will be discussed.
Results of the activity scheduled during the first year of the project will be highlighted. Observed deviations between
SAR measurements and in situ measurement shall be analyzed and discussed.
CitacióReppucci, A. [et al.]. Estimation of snow pack characteristics by means of polarimetric SAR data. A: SPIE. "Proceedings SPIE Remote Sensing for Agriculture, Ecosystems, and Hydrology XIV 24–26 September 2012 Edinburgh, United Kingdom. Volume 8531". Edimburg: SPIE, 2012, p. 85310Z-1-85310Z-10.
ISBN9780819492715
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Lopez-Martinez2012z.pdf | 1,288Mb | Accés restringit |