Paper Info
Title
Predicting Melt Pond Fraction on Landfast Snow Covered First Year Sea Ice from Winter C-Band SAR Backscatter Utilizing Linear, Polarimetric and Texture Parameters.
Abstract
Early-summer melt pond fraction is predicted using late-winter C-band backscatter of snow-covered first-year sea ice. Aerial photographs were acquired during an early-summer 2012 field campaign in Resolute Passage, Nunavut, Canada, on smooth first-year sea ice to estimate the melt pond fraction. RADARSAT-2 Synthetic Aperture Radar (SAR) data were acquired over the study area in late winter prior to melt onset. Correlations between the melt pond fractions and late-winter linear and polarimetric SAR parameters and texture measures derived from the SAR parameters are utilized to develop multivariate regression models that predict melt pond fractions. The results demonstrate substantial capability of the regression models to predict melt pond fractions for all SAR incidence angle ranges. The combination of the most significant linear, polarimetric and texture parameters provide the best model at far-range incidence angles, with an of 0.62 and a pond fraction RMSE of 0.09. Near- and mid- range incidence angle models provide values of 0.57 and 0.61, respectively, with an RMSE of 0.11. The strength of the regression models improves when SAR parameters are combined with texture parameters. These predictions also serve as a proxy to estimate snow thickness distributions during late winter as higher pond fractions evolve from thinner snow cover.
Year
DOI
Venue
2018
10.3390/rs10101603
REMOTE SENSING
Keywords
Field
DocType
melt pond fraction,snow,SAR,polarimetric parameters,GLCM texture
Sea ice,C band,Polarimetry,Backscatter,Remote sensing,Melt pond,Geology,Snow
Journal
Volume
Issue
Citations 
10
10
0
PageRank 
References 
Authors
0.34
13
4
Name
Order
Citations
PageRank
Saroat Ramjan100.34
Torsten Geldsetzer2295.80
Randall K. Scharien3305.66
John J. Yackel4315.69