Nutrient Retention Model Water Supply Model Precipitation Evapotranspiration Soil Depth and Plant available water Land cover Topography (slope/runoff)

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Presentation transcript:

Nutrient Retention Model Water Supply Model Precipitation Evapotranspiration Soil Depth and Plant available water Land cover Topography (slope/runoff) Vegetation export coefficient/loading Vegetation filtration rates Modeling Water Supply & Nutrient Retention

Water Discharge (m 3 /yr) Calibrate to USGS data

Nutrient Export (kg/yr) Total export to Hood Canal

Nutrient Retention (kg/ha/yr) Service Provides relative pattern of services across the watersheds Small watersheds can have high retention values Can analyze watersheds collectively…. frontal versus Olympic drainages Low retention areas most vulnerable land cover transitions to developed areas

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