ould be 
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ie texture 
shape and 
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ACKNOWLEDGEMENTS 
The authors kindly acknowledge valuable comments 
and input by R. Duncan. The authors would like to 
thank the Canada Centre for Remote Sensing, 
Department of Natural Resources Canada for the use 
of their facilities and to the Ice Centre Environment 
Canada for the SAR data. This work was supported 
through funding from the Radar Data Development 
Plan and the Panel on Energy Research and 
Development. 
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