Comparison of ENVISAT and SARAL missions data shows that AltiKa can be successfully used for ice discrimination methodology and extension of ice conditions time series. Due to shorter wavelength and large bandwidth (480 MHz) which leads to a higher sensitivity to different surface
conditions, AltiKa shows more clearly the separation between open water and various ice types. We observe significant decrease of backscatter (25–30 dB) in late spring for both ENVISAT and SARAL and discuss it in the context of ice metamorphism. There is a clear need to continue
and expand our dedicated field studies of lake Baikal ice cover to better assess influence of ice structure on altimetric signal.
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in situ observations;
Document Type: Research Article
University of Toulouse, LEGOS, Toulouse, France
Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Etudes en Géophysique et Océanographie Spatiale (LEGOS), Toulouse, France
Great Baikal Trail (GBT) Buryatiya, Ulan-Ude, Russia
Publication date: September 10, 2015
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