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A Simple Parameterisation for Retrieving Soil Moisture from Passive Microwave Data : Volume 5, Issue 1 (30/11/-0001)

By Burke, E. J.

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Book Id: WPLBN0003983855
Format Type: PDF Article :
File Size: Pages 10
Reproduction Date: 2015

Title: A Simple Parameterisation for Retrieving Soil Moisture from Passive Microwave Data : Volume 5, Issue 1 (30/11/-0001)  
Author: Burke, E. J.
Volume: Vol. 5, Issue 1
Language: English
Subject: Science, Hydrology, Earth
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
-0001
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

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Burke, E. J., & Simmonds, L. P. (-0001). A Simple Parameterisation for Retrieving Soil Moisture from Passive Microwave Data : Volume 5, Issue 1 (30/11/-0001). Retrieved from http://worldebookfair.com/


Description
Description: Department of Hydrology and Water Resources, University of Arizona, Tucson, Arizona-85721, USA.. MICRO-SWEAT, a physically based soil water and energy balance model coupled with a microwave emission model, was used to investigate the relationship between near surface soil moisture (θ0-5) and L-band microwave brightness temperature (TB) under a wide range of conditions. The effects of soil texture, look angle and vegetation on this relationship were parameterised and combined into a simple summary model relating θ0-5 to TB. This model retains much of the physical basis of MICRO-SWEAT but can be used in more data limiting circumstances. It was tested using a variety of truck-based L-band data sets collected between 1980 and 1982. This paper emphasises the need to have an accurate estimate of the vegetation optical depth (a parameter that describes the degree of influence of the vegetation on the microwave emission from the soil surface) in order to retrieve correctly the soil water content.

Keywords: passive microwave, soil moisture, remote sensing, vegetation, retrieval algorithm

Summary
A simple parameterisation for retrieving soil moisture from passive microwave data

 

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