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IDENTIFICATION OF SNOW USING SAR POLARIMETRY TECHNIQUES

The full polarimetric L-band ALOS-PALSAR data of snow cover area in Himalayan region have been analyzed based on various component scattering mechanism models and all model results are compared. Various polarimetric descriptors (Viz. degree of polarization, co-polarization coherence, total power, phase difference, polarization fraction) are also applied for snow discrimination. Based on these techniques, a new method i.e. Radar Snow Index (RSI) has been developed for total snow discrimination from other targets.