Historical Analysis of Land Cover/Condition Trends at Fort Bliss, Texas, Using Remotely Sensed Imagery

Fort Bliss, Texas, is a Training and Doctrine Command installation located in the semi-arid Northern Chihuahuan Desert of Western Texas and South Central New Mexico. Military training (both tracked and wheeled vehicles), grazing, and recreational activities act as stressors on the landscape. The nat...

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description Fort Bliss, Texas, is a Training and Doctrine Command installation located in the semi-arid Northern Chihuahuan Desert of Western Texas and South Central New Mexico. Military training (both tracked and wheeled vehicles), grazing, and recreational activities act as stressors on the landscape. The natural resource managers need information on land condition to make informed land management decisions and to support conservation and compliance efforts. They need a cost-effective method of assessing and monitoring land condition. The objective of this research was to characterize the small scale, gross level change in land condition on a selected area of Fort Bliss over a 23-year period. The evaluation and analysis was based on several vegetation and brightness indices calculated from temporal, archival multispectral imagery. Trends in brightness and greenness indices varied considerably. Most variation could be due to natural differences in the amount of precipitation in the region. There was no indication of permanent, long-term changes in the land condition. The study area appeared to be resilient, with no clearly observable trends in either long-term degradation or improvement. The brightness and greenness indices calculated from temporal image data sets provides a cost-effective method for monitoring relative trends in land condition. --Original contains color plates: All DTIC reproductions will be in black and white.
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Military training (both tracked and wheeled vehicles), grazing, and recreational activities act as stressors on the landscape. The natural resource managers need information on land condition to make informed land management decisions and to support conservation and compliance efforts. They need a cost-effective method of assessing and monitoring land condition. The objective of this research was to characterize the small scale, gross level change in land condition on a selected area of Fort Bliss over a 23-year period. The evaluation and analysis was based on several vegetation and brightness indices calculated from temporal, archival multispectral imagery. Trends in brightness and greenness indices varied considerably. Most variation could be due to natural differences in the amount of precipitation in the region. There was no indication of permanent, long-term changes in the land condition. The study area appeared to be resilient, with no clearly observable trends in either long-term degradation or improvement. 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source DTIC Technical Reports
subjects ARCHIVES
BRIGHTNESS
COST EFFECTIVENESS
DECISION MAKING
DEGRADATION
DESERTS
DIGITAL IMAGERY
ENVIRONMENTAL IMPACT
Geography
GROUND VEHICLES
HISTORY
INDEXES
INFRARED DETECTION
Infrared Detection and Detectors
INFRARED IMAGES
INSTALLATION
LAND AREAS
LAND COVER
LAND USE
LCTA(LAND CONDITION TREND ANALYSIS)
LONG RANGE(TIME)
MILITARY TRAINING
MONITORING
MULTISPECTRAL
NATURAL RESOURCES
NEAR INFRARED DETECTION
NEW MEXICO
PATTERNS
PRECIPITATION
REMOTE DETECTION
RESOURCE MANAGEMENT
SOIL CONSERVATION
SOUTH(DIRECTION)
SUPERVISORS
TEXAS
TRACKED VEHICLES
VEGETATION
title Historical Analysis of Land Cover/Condition Trends at Fort Bliss, Texas, Using Remotely Sensed Imagery
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