Assess Riparian Condition Through Spectrometric Imaging Of Riparian Vegetation Project ID: 25011...

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Transcript of Assess Riparian Condition Through Spectrometric Imaging Of Riparian Vegetation Project ID: 25011...

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Assess Riparian Condition Through Spectrometric Imaging Of Riparian Vegetation Project ID: 25011 Presented by Brian Kasper Water Quality Analyst/Modeler Slide 2 Project Goal: Digitally map and describe riparian vegetation in Columbia Plateau Province subbasins within Oregon. Slide 3 Proposal Area: ~24,700 miles of streams Red = 3,381 miles on 1998 303(d) List Slide 4 Why? Oregon must develop Total Maximum Daily Loads (TMDLs) for all 303(d) listed water bodies. TMDLs require pollution source assessments and computer modeling. Water quality (i.e., temperature) depends upon riparian vegetation conditions. Slide 5 Color Aerial Analysis: Veg Map Elements: 1) Species 2) Height 3) Canopy Density Scale = 1:5000 Buffer = 300 feet Slide 6 Product: Current Condition Vegetation Chart Slide 7 Product: Shade Assessment 0-20% 20-40% 40-60% 60-80% 80-100% Slide 8 Product: Shade Assessment Slide 9 Example Application: Modeling Temperature Slide 10 Beneficial Uses: TMDL development & implementation is aimed at Salmonid preservation. Effectiveness of current riparian conditions on water quality may be assessed. Watershed enhancement projects can be prioritized based upon the riparian assessment. Slide 11 Cost Analysis: Vegetation Mapping (includes materials, data preparation, digitizing, ground truthing, GIS sampling) $100 per stream mile $175,000 - FY2002 $100,000 - FY2003 $85,000 - FY2004 Slide 12 http://waterquality.deq.state.or.us/wq/