We found that both the area of ice-bound ebullition-bubble clusters and the bubbling rates that generated the clusters were correlated with L-band single-polarized (HH) SAR (R2=0.70, p=0.002, n=10) and with the ‘‘roughness’’ component of a Pauli decomposition of L-band quad-polarized SAR (R2=0.77, p=0.001, n=10). Results of this study indicate that analysis of L-band SAR backscatter intensity from winter lake ice could be a valuable new tool for constraining estimates of regional ebullition in lakes.
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