1. Pacific Islands have no fossil-fuel reserve; but they are rich in renewable energy including constant trade winds and strong solar radiation. Pacific islands have plenty of brackish groundwater. To protect marine environment requires high quality of aquaculture effluent Background

2. Water Table Brackish Water Mean Sea Level Ocean Caprock Saltwater Dikes Freshwater Lens Basal Water Lens on Hawaii Islands Reference: Liu, C.C.K., and J. Dai (2012). Seawater intrusion and sustainable yield of basal aquifers, Journal of the American Water Resources Association (JAWRA), 48(5):861-870.

3. Average wind speed on Oahu, Hawaii

4. Solar map of Oahu, Hawaii

5. Objective To develop a renewable-energy-driven desalination and water Purification system for Pacific islands and remote communities where both freshwater and electricity are in short supply.

6. (b) System Design of a Renewable-Energy-Driven RO System Refgerence Liu, C.C.K., Park, J.W., Migita, R. and Qing, G. (2002). Prototype Experiments of a Wind-Driven Reverse Osmosis Desalination System, Desalination, Vol. 150, No. 3, pp. 277-287.

7. Windmill/pumping

8. System Operation Control with Solar Energy