High-Resolution Soil-Moisture Maps Over Landslide Regions in Northern California Grassland Derived From SAR Backscattering Coefficients. - Tien-Hao Liao; Seung-Bum Kim; Alexander L. Handwerger; Eric J. Fielding; Michael H. Cosh; William H. Schulz (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2021)