Limitations of the dense dark vegetation method for aerosol retrieval under Australian conditions

Gillingham, S. S., Flood, N., Gill, T. K. and Mitchell, R. M. (2012) Limitations of the dense dark vegetation method for aerosol retrieval under Australian conditions. Remote Sensing Letters, 3 1: 67-76. doi:10.1080/01431161.2010.533298


Author Gillingham, S. S.
Flood, N.
Gill, T. K.
Mitchell, R. M.
Title Limitations of the dense dark vegetation method for aerosol retrieval under Australian conditions
Journal name Remote Sensing Letters   Check publisher's open access policy
ISSN 2150-704X
2150-7058
Publication date 2012
Year available 2011
Sub-type Article (original research)
DOI 10.1080/01431161.2010.533298
Volume 3
Issue 1
Start page 67
End page 76
Total pages 10
Place of publication Milton Park, Abingdon, Oxfordshire, U.K.
Publisher Taylor & Francis
Collection year 2013
Language eng
Formatted abstract
The use of dense dark vegetation (DDV) for atmospheric aerosol correction of Landsat imagery is investigated for Australian conditions. Aerosol optical depth (AOD) measurements from sun photometers are used as a reference data set and compared against estimates ofAODderived from Landsat imagery using theDDV method. The DDV method makes assumptions that the vegetation is sufficiently dark and the ratio between bottom-of-atmosphere reflectances at different wavelengths is constant. These assumptions were tested using Landsat-5 Thematic Mapper (TM) imagery corrected with AOD measured by field-based sun photometers on the AErosol RObotic NETwork (AERONET) network. The assumptions were found to be correct only for one of the three locations studied. In other locations, the spatial and temporal variability of the vegetation and its relative brightness makes the method unsuitable.
Keyword Atmospheric correction
Archive
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Available online: 29 Apr 2011

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Geography, Planning and Environmental Management Publications
Spatial Ecology Lab Publications
Official 2013 Collection
 
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Created: Thu, 22 Sep 2011, 16:52:47 EST by Neil Flood on behalf of School of Geography, Planning & Env Management