Modeling Green and Blue Water: The InVEST Monthly Model

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Presentation transcript:

Modeling Green and Blue Water: The InVEST Monthly Model Yonas Ghile

Blue vs Green Water Precipitation Blue Water Green Water Storage Green Water Flow Blue Water Precipitation Recharge

Blue-Green Water Components Green Water Flow Potential Flood water Forests Grasslands Wetlands Crops Soil Env. flows Consumptive Uses Time-stable Blue Water Green Water Storage Irrigation Flows

Inform decision makers to Maximize crop-water productivity Solve water related conflicts Strategize virtual water trade Protect ecosystem services Assess land use and climate change impacts

InVEST for Niger River Basin

InVEST vs Observations

InVEST vs Observations

Loss of Services in the Niger Delta

A new Era of Water Conflict

A new Era of Water Conflict

On Going Work Model validations and applications to Niger river basin (West Africa) Umgeni river basin (South Africa) Afdeyu/Nile river basin (East Africa) Ft Pickett and Ft. Benning (USA) Brahmaputra river basin (Central and South Asia)