Title :
Use of multiincidence angle RADARSAT-1 SAR data to incorporate the effect of surface roughness in soil moisture estimation
Author :
Srivastava, Hari Shanker ; Patel, Parul ; Manchanda, M.L. ; Adiga, S.
Author_Institution :
Regional Remote Sensing Service Centre, Indian Space Res. Organ., Dehradun, India
fDate :
7/1/2003 12:00:00 AM
Abstract :
The proposed study offers an approach to incorporate the effect of surface roughness in the estimation of soil moisture from space without actually measuring surface roughness conditions on ground. It is required to acquire synthetic aperture radar data at low and high incidence angles, such that the soil moisture changes are negligible between the two acquisitions.
Keywords :
hydrological techniques; remote sensing by radar; soil; spaceborne radar; synthetic aperture radar; terrain mapping; RADARSAT-1; SAR; hydrology; incidence angle; land surface; measurement technique; multiincidence method; radar remote sensing; rough surface; soil moisture; spaceborne radar; surface roughness; synthetic aperture radar; Backscatter; Dielectric constant; Frequency; Polarization; Rough surfaces; Satellites; Soil moisture; Spaceborne radar; Surface roughness; Synthetic aperture radar;
Journal_Title :
Geoscience and Remote Sensing, IEEE Transactions on
DOI :
10.1109/TGRS.2003.813356
