140 likes | 226 Views
Buffer Capability Indexes For Water Quality Planning. Mike Dosskey – USDA Forest Service Matt Helmers -- Iowa State University Dean Eisenhauer -- University of Nebraska. Missouri. 1 mi. 0. Better Locations for Buffers?. Missouri. 1 mi. 0. Soil Survey. Missouri. 1 mi. 0.
E N D
Buffer Capability Indexes For Water Quality Planning Mike Dosskey – USDA Forest Service Matt Helmers -- Iowa State University Dean Eisenhauer -- University of Nebraska
Missouri 1mi 0 Better Locations for Buffers?
Missouri 1mi 0 Soil Survey
Missouri 1mi 0 Sediment Trapping Efficiency STE (%) 10-25 25-50 50-75 75-100 Not Farmable Water
Sediment Trapping Efficiency (%) STE = 100 – 85 e -1320 (SF) Sediment Factor = D50 / R K L S (104) Validation & Calibration Sediment
Sediment STE = 100 – 85e -1320 (SF) Sediment Factor = D50 / R K L S (104) Dissolved Groundwater 1. Interaction – Hydric + Shallow WT 2. Interaction – Hydric + Deep WT 3. Interaction – Not Hydric + Shallow WT 4. No Interaction – Not Hydric + Deep WT WTE = 97 (IF) 0.26 Infiltration Factor = Ksat2 / R L S Three Functions
BCI Maps: Cameron-Grindstone Watershed, MO Photo Sediment Dissolved Groundwater
BCI Maps: Upper Potomac Watershed, PA Sediment Dissolved Groundwater
Chesapeake Bay Watershed Land Cover Sediment Groundwater Dissolved
Sediment Eastern U.S. Farmlands Groundwater Dissolved
Eastern U.S. Farmlands: Groundwater Percent Area 75-100 50-75 20-50 0-25 Not Farmable Water
Eastern U.S. Farmlands: Sediment STE 10-25 25-50 50-75 75-100 Not Farmable Water