PROCEEDINGS OF HYDRAULIC ENGINEERING
Online ISSN : 1884-9172
Print ISSN : 0916-7374
ISSN-L : 0916-7374
Theorical analysis on the algorithm to extract surface soil moisture using microwave scatterometer
Kazuhiro WAKASATaikan OKIKatumi MUSIAKE
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JOURNAL FREE ACCESS

1995 Volume 39 Pages 875-878

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Abstract
For hydrological models, imformation of surface-soil moisture content interms of a large area is important. Then, using the microwave sensers'datum of satelites, such as E-ERS1 and J-ERS1, is expected in order toaquire soil moisture information of a large area. Nowadays, many studiesand experiments are under investigation for practice.
This study will deal with the Microwave Scattering Model for the relationbetween soil moisture content and backscattering coefficient on the baresoil. The backscattering coefficient value is affected not only by the soilmoisture content but by frequency, incident angle, surface roughness, andso on. We calcurated backscattering coefficient based on the theory in somepatterns, and compared the value of the theory with that of experiment.
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© by Japan Society of Civil Engineers
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