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

C H Menges; Greg J E Hill; W Ahmad

doi:10.1080/01431160051060129

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

Journal article

Peer reviewed

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

C H Menges, Greg J E Hill and W Ahmad

International Journal of Remote Sensing, Vol.22(5), pp.727-740

2001

DOI: https://doi.org/10.1080/01431160051060129

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Abstract

Geomatic Engineering

Physical Geography and Environmental Geoscience

aerial photography

vegetation mapping

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.

Details

Title: Use of airborne video data for the characterization of tropical savannas in northern Australia: the optimal spatial resolution for remote sensing applications
Authors: C H Menges (Author) - Charles Darwin University
Greg J E Hill (Author) - University of the Sunshine Coast
W Ahmad (Author) - Charles Darwin University
Publication details: International Journal of Remote Sensing, Vol.22(5), pp.727-740
Publisher: Taylor & Francis Ltd.
Date published: 2001
DOI: 10.1080/01431160051060129
ISSN: 0143-1161; 0143-1161
Organisation Unit: University of the Sunshine Coast, Queensland; Office of the Vice-Chancellor and President
Language: English
Record Identifier: 99449034102621
Output Type: Journal article

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