Normalization of multidirectional red and NIR reflectances with the SAVI

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dc.contributor.author Huete, AR
dc.contributor.author Hua, G
dc.contributor.author Qi, J
dc.contributor.author Chehbouni, A
dc.contributor.author van Leeuwen, WJD
dc.date.accessioned 2011-02-07T06:23:07Z
dc.date.issued 1992
dc.identifier.citation Remote Sensing of Environment, 1992, 41 (2-3), pp. 143 - 154
dc.identifier.issn 0034-4257
dc.identifier.other C1UNSUBMIT en_US
dc.identifier.uri http://hdl.handle.net/10453/13603
dc.description.abstract Directional reflectance measurements were made over a semidesert gramma (Bouteloua spp.) grassland at various times of the growing season. Azimuthal strings of view angle measurements from + 40° to - 40° were made for various solar zenith angles and soil moisture conditions. The sensitivity of the normalized difference vegetation index (NDVI) and the soil-adjusted vegetation index (SAVI) to these bidirectional measurements was assessed for purposes of improving remote temporal monitoring of vegetation activity. The NDVI response from the grassland canopy was strongly anisotropic about nadir view angles while the SAVI response was symmetric about nadir. This occurred for all sun angles, soil moisture condition, and grass densities. This enabled variations in SAVI-view angle response to be minimized with a cosine function. It is expected that this study will aid in improving the characterization of vegetation temporal activity from Landsat TM, SPOT, AVHRR, and the Earth Observing System MODIS sensor. © 1992.
dc.language eng
dc.relation.isbasedon 10.1016/0034-4257(92)90074-T
dc.title Normalization of multidirectional red and NIR reflectances with the SAVI
dc.type Journal Article
dc.parent Remote Sensing of Environment
dc.journal.volume 2-3
dc.journal.volume 41
dc.journal.number 2-3 en_US
dc.publocation United States en_US
dc.identifier.startpage 143 en_US
dc.identifier.endpage 154 en_US
dc.cauo.name SCI.Faculty of Science en_US
dc.conference Verified OK en_US
dc.for 0909 Geomatic Engineering
dc.personcode 108636
dc.percentage 100 en_US
dc.classification.name Geomatic Engineering en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom en_US
dc.date.activity en_US
dc.location.activity en_US
dc.description.keywords NA en_US
dc.description.keywords NA
pubs.embargo.period Not known
pubs.organisational-group /University of Technology Sydney
pubs.organisational-group /University of Technology Sydney/Faculty of Science
pubs.organisational-group /University of Technology Sydney/Strength - C3


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