@article {JRN55154,
	title = {Evaluating Change in Rangeland Condition using Multitemporal AVHRR Data and Geographic Information System Analysis},
	journal = {Environmental Monitoring and Assessment},
	volume = {59},
	year = {1999},
	month = {November 1999},
	pages = {211{\textendash}223},
	abstract = {<p>Coarse-scale, multitemporal satellite image data were evaluated as a tool for detecting variation in vegetation productivity, as a potential indicator of change in rangeland condition in the western U.S. The conterminous U.S. Advanced Very High Resolution Radiometer (AVHRR) biweekly composite data set was employed using the six-year time series 1989{\textendash}1994. Normalized Difference Vegetation Index (NDVI) image bands for the state of New Mexico were imported into a Geographic Information System (GIS) for analysis with other spatial data sets. Averaged NDVI was calculated for each year, and a series of regression analyses were performed using one year as the baseline. Residuals from the regression line indicated 14 significant areas of NDVI change: two with lower NDVI, and 11 with higher NDVI. Rangeland management changes, cross-country military training activities, and increases in irrigated cropland were among the identified causes of change.</p>
},
	keywords = {analysis, GIS, multitemporal, NDVI, Rangeland condition, remote sensing},
	doi = {10.1023/A:1006126622200},
	url = {files/bibliography/99-EnvironlMonitoring\&Assessment-Whtiford.pdf},
	author = {T. Minor and J. Lancaster and T. Wade and James D. Wickham and James D. Wickham}
}
