Journal
INTERNATIONAL JOURNAL OF APPLIED EARTH OBSERVATION AND GEOINFORMATION
Volume 12, Issue 1, Pages 1-8Publisher
ELSEVIER
DOI: 10.1016/j.jag.2009.09.014
Keywords
Remote sensing; Water; Avian influenza; H5N1 virus
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Funding
- RIVERS project
- French Ministry of Foreign affairs
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Recent studies have highlighted the potential role of water in the transmission of avian influenza (AI) viruses and the existence of often interacting variables that determine the survival rate of these viruses in water; the two main variables are temperature and salinity. Remote sensing has been used to map and monitor water bodies for several decades. In this paper, we review satellite image analysis methods used for water detection and characterization, focusing on the main variables that influence Al virus survival in water. Optical and radar imagery are useful for detecting water bodies at different spatial and temporal scales. Methods to monitor the temperature of large water surfaces are also available. Current methods for estimating other relevant water variables such as salinity, pH, turbidity and water depth are not presently considered to be effective. (C) 2009 Elsevier B.V. All rights reserved.
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