a simple parameterisation for retrieving soil moisture from passive microwave data

Clicks: 103
ID: 237428
2001
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Abstract
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

Reference Key
burke2001hydrologya Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;E. J. Burke;L. P. Simmonds
Journal materials research bulletin
Year 2001
DOI
DOI not found
URL
http://www.hydrol-earth-syst-sci.net/5/39/2001/hess-5-39-2001.pdf
Keywords
anthropology recreationenvironmental sciences sanitary engineeringgeography technologyenvironmental technology

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