Remote Sensing and Mapping of Tamarisk along the Colorado River, USA: A Comparative Use of Summer-Acquired Hyperion, Thematic Mapper and QuickBird Data
1
Gulf Coast Geospatial Center, University of Southern Mississippi, Gulfport, Mississippi, 39501, USA
2
Dept. of Geography and Geology, University of Southern Mississippi, Hattiesburg, Mississippi, 39406, USA
3
Dept. of Coastal Sciences, University of Southern Mississippi, Ocean Springs, Mississippi, 39564, USA
4
Dept. of Community Health Sciences, University of Southern Mississippi, Hattiesburg, Mississippi, 39406, USA
5
Fort Collins Science Center, United States Geological Survey, Fort Collins, Colorado, 80526, USA
*
Author to whom correspondence should be addressed.
Remote Sens. 2009, 1(3), 318-329; https://doi.org/10.3390/rs1030318
Received: 17 July 2009 / Revised: 28 July 2009 / Accepted: 28 July 2009 / Published: 31 July 2009
(This article belongs to the Special Issue Ecological Status and Change by Remote Sensing)
Abstract
Tamarisk (Tamarix spp., saltcedar) is a well-known invasive phreatophyte introduced from Asia to North America in the 1800s. This report compares the efficacy of Landsat 5 Thematic Mapper (TM5), QuickBird (QB) and EO-1 Hyperion data in discriminating tamarisk populations near De Beque, Colorado, USA. As a result of highly correlated reflectance among the spectral bands provided by each sensor, relatively standard image analysis methods were employed. Multispectral data at high spatial resolution (QB, 2.5 m Ground Spatial Distance or GSD) proved more effective in tamarisk delineation than either multispectral (TM5) or hyperspectral (Hyperion) data at moderate spatial resolution (30 m GSD). View Full-TextKeywords:
invasive species; Hyperion; Thematic Mapper; QuickBird; image resolution
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Carter, G.A.; Lucas, K.L.; Blossom, G.A.; Lassitter, C.L.; Holiday, D.M.; Mooneyhan, D.S.; Fastring, D.R.; Holcombe, T.R.; Griffith, J.A. Remote Sensing and Mapping of Tamarisk along the Colorado River, USA: A Comparative Use of Summer-Acquired Hyperion, Thematic Mapper and QuickBird Data. Remote Sens. 2009, 1, 318-329.
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