Integrated project management of sustainable water storage and seawater intrusion prevention in a costal city

Abstract

This work addressed the integrated project management of water resources in a costal city, Haihou City in China. Based on investigation of renewable water resources distribution, an underground water storage project was carried out for water safety utility and seawater intrusion prevention in the new planned city area. Methods for surface water reuse and seawater intrusion prevention were integrated to produce comprehensive program management in the project. River water was transported to inner lakes through constructed channels and further formed new water system in the land, which could not only resist flood and drought but also provide water sources for underground storage. Water tables of groundwater increased owing to balance between the supply and the demand, which recovered the coastal aquifers and effectively prevented seawater intrusion. Water qualities of the recovered groundwater were significantly improved but with certain salt matter addition due to the previous seawater intrusion. In view of its ecological value and environment benefits, the project has been properly managed with ecosystem sustainable and program dynamic.Keywords-renewable water resources; water demand and supply; aquifer storage and recovery; water quality; seawater intrusion

Management of Seawater Intrusion in Coastal Aquifers: A Review

“…The monitoring of the piezometric head and measuring of the electrical conductivity indicated that the recharge dam was effective and contributed positively toward improving the groundwater quality in the coastal zone. Yuansheng and Zhaohui [66] introduced the artificial recharge of water as an efficient measure to control SWI and elevate the groundwater levels. By transporting river water to inner lakes through a pre-constructed canal, they developed an integrated methodology for future sustainability of the flow system in the coastal city of Haihou, China.…”

Reconnaissance Study on Saltwater Intrusion Control at Main Raw Water Pumping Station of Metropolitan Waterworks Authority (Thailand)

“…There are about 15 methods which would be applicable for controlling intrusion of saltwater in various areas around the globe [2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19]. Details are summarized as follows: 1) Water diversion Details/Benefits: Use of excessive fresh water via open canal or tunnel for pushing saltwater and for diversion purposes.…”