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Use of airborne video data for the characterisation of tropical savannas in northern Australia: the optimal spatial resolution for remote sensing applications

Menges, CH, Hill, GJE and Ahmad, W (2001). Use of airborne video data for the characterisation of tropical savannas in northern Australia: the optimal spatial resolution for remote sensing applications. International Journal of Remote Sensing,22(5):727-740.

Document type: Journal Article
Citation counts: Scopus Citation Count Cited 11 times in Scopus Article | Citations

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Title Use of airborne video data for the characterisation of tropical savannas in northern Australia: the optimal spatial resolution for remote sensing applications
Author Menges, CH
Hill, GJE
Ahmad, W
Journal Name International Journal of Remote Sensing
Publication Date 2001
Volume Number 22
Issue Number 5
ISSN 0143-1161   (check CDU catalogue open catalogue search in new window)
Scopus ID 2-s2.0-0035916951
Start Page 727
End Page 740
Total Pages 14
Place of Publication England
Publisher Taylor & Francis
HERDC Category C1 - Journal Article (DEST)
Abstract Very high resolution airborne video data were used to assess the optimal spatial resolution for mapping the land cover types occurring in the tropical savannas of northern Australia. Canopy cover and principal component images were extracted for four vegetation communities and investigated separately. Analysis of average variance in conjunction with a proposed visual analysis method proved more successful in establishing the optimal resolution than analysis of spatial autocorrelation using semivariograms. The optimal resolution was found to be dependent on the structure of the vegetation community as well as the image component under investigation. A resolution of between 20 and 27 m is optimal for all instances examined.
DOI http://dx.doi.org/10.1080/01431160051060129   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
 
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