Estimation and Validation Study of Soil Moisture Using GPS-IR Technique Over a Tropical Region: Variability of SM With Rainfall and Energy Fluxes. - Gummadipudi Naga Madhavi; P. Sharath Kumar; Radhika A. Chipade; Jyoti Bhate; Tummalapalli Venkata Chandrasekhar Sarma (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2022)