Remote Sensing And GIS For Decision Analysis in Public Resource Administration A Case Study of 25 Years of Landscape Change in a Southwestern Watershed英文电子书.pdf

United States Environmental Protection Agency Remote Sensing and Geographic Information Systems for Decision Analysis in Public Resource Administration: A Case Study of 25 Years of Landscape Change in a Southwestern Watershed 054LEB02.RPT 6/4/02 EPA/600/R-02/039 June 2002 Remote Sensing and Geographic Information Systems for Decision Analysis in Public Resource Administration: A Case Study of 25 Years of Landscape Change in a Southwestern Watershed William G. Kepner and C.M. Edmonds U.S. Environmental Protection Agency Office of Research and Development National Exposure Research Laboratory P.O. Box 93478 Las Vegas, NV 89193 Christopher J. Watts Instituto del Medio Ambiente y el Desarrollo Sustentable del Estado de Sonora Reyes and Aquacalientes Esq., Col. San Benito Hermosillo, Sonora, Mexico 83190 “Siempre beo y es ansi que por la mayor parte quando tenemos entre las manos alguna cosa preciosa y la tratamos sin impedimento no la tenemos ni la preciamos en quanto vale ni entendemos la falta que nos haria si la perdiesemos y por tanto de continuo la bamos teniendo en menos pero despues que la abemos perdido y carecemos del beneficio de ella abemos gran dolor en el coracon y siempre andamos y maginatibos buscando modos y maneras como la tornemos a cobrar” “I have always noticed, and it is a fact, that often when we have something valuable in our possession and handle it freely, we do not esteem or appreciate it in