Integrated rainwater management strategies: Hydrology and hydrological modeling

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A poster prepared by Birhanu Zemadim, Matthew McCartney, Bharat Sharma and Seleshi Bekele for the NBDC Launch Workshop, Addis Ababa, 29 September 2010.

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Integrated rainwater management strategies: Hydrology and hydrological modeling

  1. 1. Integrated Rainwater Management Strategies: Hydrology and Hydrological ModelingRainwater management for resilient livelihoods Birhanu Zemadim, Matthew McCartney, Bharat Sharma and Seleshi Bekele Rationale For Integrated Rainwater Management Strategies (RMS) want to know: what works, where and why? This requires basic biophysical understanding: • how much rain falls & where does the water go? • how much water is “used” in different components of the landscape? Planned Monitoring • what changes will different interventions make? • what are the on-site and downstream impacts of scaling-up the interventions? Project Activities (Dapo) (Mizewa) (Mieja) Hydro-Meteorological instruments installed in three watersheds to: • measure rainfall, flow, climate variables, soil moisture & water table • provide insights into hydrological fluxes, processes and water budget Hydrological modeling to determine: Location of 3 study watersheds • Rainfall –Runoff relationships • Soil/Vegetation/Livestock water interactions Outputs • Water balance and catchment yield • Understanding of flow regime necessary for • Guidance on suitable RMS for the Ethiopian design of RWH structures Highlands • Possible biophysical impacts of scaling-up • Systems for increasing agricultural production interventions using RMS, including a range of water storage • Possible biophysical implications of climate options change • RMS that maximizes water productivity and ecosystem services Contact: b.zemadim@cgiar.org CPWF Nile Project 2: Integrated rainwater management strategies – technologies, institutions and policies Poster Prepared for the NBDC Launch Workshop, Addis Ababa,29 September 2010

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