2004 UC Proceedings Abstract

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A Spatial Representation of Louis Peltier's Weathering, Erosion, and Climatic Graphs Using Geographic Information Systems
Track: Mining and Geosciences
Author(s): Rell Fowler, James Petersen

This study is based on Louis C. Peltier's 1950 study "The Geographic Cycle in Periglacial Regions as it is Related to Climatic Geomorphology" published in the Association of American Geographers (AAG) and uses graphs that define the Chemical Weathering, Frost Action, Weathering Regions, Pluvial Erosion, Mass Movement, Wind Action and Morphogenetic Regions based on Mean Annual Temperature and Mean Annual Precipitation. The goal of this study is to create maps of the continental United States for each of Peltier's graphs. The data for this project is from the United States Department of Agriculture's (USDA) Natural Resources Conservation Service (NRCS) and is in PRISM data for the time period 1961-1990. The ASCII raster text format covers the lower forty-eight States. The raster files are processed using a complex methodology that employs GIS, Excel, Word, TextPad and WordPad to derive the new raster images. The resulting maps are used to illustrate the weathering, erosion and climatic processes occurring within the continental United States per Peltier's graphs.

Rell Fowler
HDR Engineering, Inc.
Water/Waste Water
2211 S IH-35
Suite 300
Austin , TX 78741
US
Phone: 512-912-5117
Fax: 512-912-5158
E-mail: rell.fowler@hdrinc.com

James Petersen
Texas State University San Marcos
Department of Geography
601 University Drive
Evans Liberal Arts 317
San Marcos , TX 78666
US
Phone: 512 245-3203
E-mail: jp01@txstate.edu