Abstract
Soil moisture (SM) plays an important role in groundwater recharge, runoff, air moisture, atmospheric temperature, land degradation, geo-chemical process, surface and sub-surface biota including agriculture, etc. Several studies have reported comparable results of space-borne passive microwaves remote sensing of surface (2 to 5 cm) SM using relationship between volumetric SM and brightness temperature, dielectric constant, polarimetry, roughness parameter, mathematical inferences, etc. However, reported success studies are very site-, image -, overpass time-, model- and situation specific and insufficient to reach at global conclusions. Therefore, reported methods, techniques and algorithms should thoroughly be tested in different biophysical environments to assess applicability in SM retrievals using microwave data captured at different frequencies, polarization, angle, time, etc. Keywords: Calibrations, dielectric properties, enhancements, frequency, models, passive microwave, polarimetry, radiometry, remote sensing.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Recent Progress in Space Technology (Formerly: Recent Patents on Space Technology)
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
