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Explore how changing surface hydraulic conductivity and soil moisture levels affect evaporation, transpiration, streamflow, and base flow dynamics in river basins through simulations from 2000-2003.
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2000-2003 Basin Totals • Changing surface hydraulic conductivity by a factor of 2: • Does not significantly change evaporation or transpiration • Does not significantly change total streamflow • Does significantly change proportion of flow that occurs as base flow vs return flow. For smaller k larger proportion as return flow. • Changing m by a factor of 10: • Does significantly change evaporation and transpiration. For small m (rapid decay of k and less variability in saturation deficit) higher E, T. For large m (slow decay of k and more variability in saturation deficit) smaller E,T. • Does significantly change total streamflow. For small m higher E, T is accompanied by higher streamflow. For large m lower E,T is accompanied by lower streamflow. • Does significantly change proportion of flow that occurs as base flow vs return flow. For small m most of streamflow is from return flow. For large m all of stream flow is from baseflow.
