Developing GIS indicators and metrics - Colorado State University

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Current effort • Linkage between watershed and hydrologic networks • Refine surrogates with direct measures of area and discharge • GIS-based tools • RWTools for ArcView • Catchment delineation & discharge in ArcGIS
1. Watershed–hydrological network linkage • “…in every respect, the valley rules the stream.” – Hynes 1975 • Indirect measures based on hydrological properties (e.g., Strahler order, drainage density, etc.)
Page 1 and 2: eveloping GIS indicators and metric
Page 3: Goals of indicator development Deve
Page 7 and 8: Distance: As the crow flies As the
Page 9 and 10: Distance: As the crow flies As the
Page 11 and 12: What indicators measure watershed-s
Page 13 and 14: 2. Direct measures of discharge •
Page 17 and 18: Stream discharge Precipitation D =
Page 20 and 21: R 2 =0.7282 P-value=3.407e-006
Page 22 and 23: 3. GIS-based tools • Interactive
Page 24 and 25: Spatial weights 11 2 W = 0 0 0 0 0
Page 26 and 27: Functional weighting W = 0 1 0 0 0

Developing GIS indicators and metrics - Colorado State University

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