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Analysis of Sediment Yield from Unpaved Roads. Phase I: Unpaved Roads Inventory Field Data Collection  subwatershed scale  ~90 miles of roads  diversity.

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Presentation on theme: "Analysis of Sediment Yield from Unpaved Roads. Phase I: Unpaved Roads Inventory Field Data Collection  subwatershed scale  ~90 miles of roads  diversity."— Presentation transcript:

1 Analysis of Sediment Yield from Unpaved Roads

2 Phase I: Unpaved Roads Inventory Field Data Collection  subwatershed scale  ~90 miles of roads  diversity of land use/cover  area of public buy-in  line and point features

3 Data Collection  Line Feature –Road  Point Feature –Culvert –Cross Drain –Wing Ditch –Bridge –Etc.

4 Data Dictionary: Road Segment

5 Data Dictionary: Culvert Stream Crossing

6 Slab Stream Crossings

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12 Phase II: Sediment Yield Modeling Field Data Collection  On 10% of Inventoried Roads  Stratified Random Sample  Stratified by # of Lanes, Ditch Erosion  Results are Extrapolated to other Roads

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16 Workshop Format  Introduction to Rivers  Importance of Roads & Sediment Delivery  WCRC  Road Construction & maintenance BMPs

17 Field Demonstrations  on site  partners  materials & equipment  site selection process

18 Discussion


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