Soil moisture retrieval from active spaceborne microwave observations: an evaluation of current techniques

Barrett, B. , Dwyer, E. and Whelan, P. (2009) Soil moisture retrieval from active spaceborne microwave observations: an evaluation of current techniques. Remote Sensing, 2009(1), pp. 210-242. (doi:10.3390/rs1030210)

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Abstract

The importance of land surface-atmosphere interactions, principally the effects of soil moisture, on hydrological, meteorological, and ecological processes has gained widespread recognition over recent decades. Its high spatial and temporal variability however, makes soil moisture a difficult parameter to measure and monitor effectively using traditional methods. Microwave remote sensing technology has demonstrated the potential to map and monitor relative soil moisture changes over large areas at regular intervals in time and also the opportunity of measuring, through inverse modelling, absolute soil moisture values. This ability has been demonstrated under a variety of topographic and land cover conditions using both active and passive microwave instruments. The purpose of this paper is to review the current status of soil moisture determination from active microwave remote sensing systems and to highlight the key areas of research that will have to be addressed to achieve routine use of the proposed retrieval approaches.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Barrett, Dr Brian
Authors: Barrett, B., Dwyer, E., and Whelan, P.
Subjects:G Geography. Anthropology. Recreation > GA Mathematical geography. Cartography
G Geography. Anthropology. Recreation > GE Environmental Sciences
College/School:College of Science and Engineering > School of Geographical and Earth Sciences
Journal Name:Remote Sensing
Publisher:MDPI AG
ISSN:2072-4292
ISSN (Online):2072-4292
Copyright Holders:Copyright © 2009 The Authors
First Published:First published in Remote Sensing 2009(1):210-242
Publisher Policy:Reproduced under a Creative Commons License

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