Folders: ROOT > ScienceBase Catalog > Transboundary Aquifer Assessment Program, Binational San Pedro Basin ( Show all descendants )
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The Surface Water Drainages, Orders 4 - 7 coverage was derived from a 30-meter resolution elevation grid obtained from the United States Geological Survey (USGS) National Map Viewer website (http://viewer.nationalmap.gov/viewer/) for the extent of interest. Sinks in the elevation data were filled, and the modified elevation grid was then used to create a flow direction and flow accumulation grid. The Strahler drainage network is extracted from the resulting two grids. Extraction was simplified through the use of an ESRI Avenue script known as "Basin1" available for download from the ESRI ArcSripts forum http://arcscripts.esri.com/details.asp?dbid=10668) . The network was generated by the Arizona Department of Environmental...
Categories: Data;
Types: Citation,
Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: Arizona,
Hydrography,
Santa Cruz Basin,
Sonora
According to ARS 45-402(13) "Groundwater basin" means an area which, as nearly as known facts permit as determined by the director pursuant to this chapter, may be designated so as to enclose a relatively hydrologically distinct body or related bodies of groundwater, which shall be described horizontally by surface description.
Categories: Data;
Types: Citation,
Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: Arizona,
Basin,
Groundwater,
LIB.dwr_basin,
Planning Area,
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