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

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

3. 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

4. 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

5. InVEST for Niger River Basin

6. InVEST vs Observations

7. InVEST vs Observations

9. Loss of Services in the Niger Delta

10. A new Era of Water Conflict

11. A new Era of Water Conflict

12. 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)