Broad-scale mapping of temporary wetlands in arid Australia

Roshier, D. A. and Rumbachs, R. M. 2004, Broad-scale mapping of temporary wetlands in arid Australia, Journal of arid environments, vol. 56, no. 2, pp. 249-263, doi: 10.1016/S0140-1963(03)00051-X.

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Title Broad-scale mapping of temporary wetlands in arid Australia
Author(s) Roshier, D. A.
Rumbachs, R. M.
Journal name Journal of arid environments
Volume number 56
Issue number 2
Start page 249
End page 263
Publisher Academia Press
Place of publication London, England
Publication date 2004
ISSN 0140-1963
Summary We describe a robust methodology to detect and estimate the size of temporary wetlands using AVHRR satellite data within large areas (106 km2) of the arid zone. The methodology uses spectral matching and exclusion of salt surfaces to discriminate between water and non-water surfaces. The status of 115 lakes was used to evaluate the methodology. A classification accuracy of 98% was achieved for wetlands >120 ha, with accuracy of area estimates varying with the size and shape of individual lakes. Spectral matching of AVHRR data has methodological and cost advantages over the use of higher spatial resolution data for understanding changes in the distribution of water at broad scales.
Language eng
DOI 10.1016/S0140-1963(03)00051-X
Field of Research 060801 Animal Behaviour
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2003, Elsevier Science
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