GrazingLands Research Laboratory
  A research lab of the
Agricultural Research Service,
United States Department of Agriculture.
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TOPAZ
Topographic Parameterization Software |
. Produced cooperatively by the Agricultural Research Service, U.S. Department of Agriculture, USA and the Department of Geography, University of Saskatchewan, Canada
Dr. Jurgen Garbrecht
USDA-ARS
Grazinglands Research Laboratory
7207 W. Cheyenne St.
El Reno, Oklahoma 73036
Tel (405) 262 4316
Fax (405) 262 2733 |
Prof. Lawrence Martz
Department of Geography
9 Campus Drive
University of Saskatchewan
Saskatoon, Saskatchewan S7N 5A5
Tel (306) 966 5667
Fax (306) 966 5680 |
TOPAZ is a software system for automated analysis of landscape topography from digital elevation models. The primary objective of TOPAZ is the rapid and systematic identification and quantification of topograhic features in support of investigations related to land-surface processes, hydrologic and hydraulic modeling, assessment of land resources, and management of watersheds and ecosystems. Typical examples of topographic features that are evaluated by TOPAZ include terrain slope and aspect, drainage patterns and divides, channel network, watershed segmentation, subcatchment identification, geometric and topologic properties of channel links, drainage distances, representative subcatchment properties, and channel network analysis.
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