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Radar Backscattering Measurement of Bare Soil and Vegetation Covered Soil Using X-band and Full Polarization : Volume Xl-8, Issue 1 (28/11/2014)

By Goswami, B.

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Book Id: WPLBN0004016287
Format Type: PDF Article :
File Size: Pages 4
Reproduction Date: 2015

Title: Radar Backscattering Measurement of Bare Soil and Vegetation Covered Soil Using X-band and Full Polarization : Volume Xl-8, Issue 1 (28/11/2014)  
Author: Goswami, B.
Volume: Vol. XL-8, Issue 1
Language: English
Subject: Science, Isprs, International
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus Publications
Historic
Publication Date:
2014
Publisher: Copernicus Publications, Göttingen, Germany
Member Page: Copernicus Publications

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Kalita, M., & Goswami, B. (2014). Radar Backscattering Measurement of Bare Soil and Vegetation Covered Soil Using X-band and Full Polarization : Volume Xl-8, Issue 1 (28/11/2014). Retrieved from http://www.ebooklibrary.org/


Description
Description: Dept. of Electrical and Electronics Engineering, Assam Don Bosco University, Airport Road, Guwahati, 781017, India. The objective of the study is to measure backscattered power of bare soil and vegetation covered soil using X-band scatterometer system with full polarization and various angles during monsoon season and relate backscattered power to the density of vegetation over soil. The measurement was conducted at an experimental field located in the campus of Assam Engineering College, Guwahati, India. The soil sample consists of Silt and Clay in higher proportions as compared to Sand. The scatterometer system consists of dual-polarimetric square horn antennas, Power meter, Klystron, coaxial cables, isolator and waveguide detector. The polarization of the horn antennas as well as the look angle can be changed in the set-up. The backscattering coefficients were calculated by applying a radar equation for the measured values at incident angles between 30° and 60° for full polarization (HH, VV, HV, VH), respectively, and compared with vegetation cover over soil for each scatterometer measurement simultaneously. The VH polarization and 60° look angle are found to be the most suitable combination of configuration of an X-band scatterometer for distinguishing the land cover targets such as bare soil and vegetation covered soil. From the analysis of the results, polarimetric scatterometer data appear to be promising to distinguish the land cover types such as bare soil and soil completely covered by vegetation. The results of this study will help the scientists working in the field of active microwave remote sensing.

Summary
Radar backscattering measurement of bare soil and vegetation covered soil using X-band and full polarization

 

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