Impact of Ocean Forcing on the Coastal Hydrology, Environment and Freshwater Resources

Download or read book Impact of Ocean Forcing on the Coastal Hydrology, Environment and Freshwater Resources written by Tianyuan Zheng and published by Frontiers Media SA. This book was released on 2024-10-24 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: Groundwater is a valuable source of freshwater in coastal areas. The groundwater flux in coastal aquifers generally occurs in two processes: seawater intrusion (SWI) and submarine groundwater discharge (SGD). SWI, the subsurface movement of seawater into freshwater aquifers, is a natural phenomenon in coastal areas. As a result of SWI, the salinity of groundwater in the aquifer increases, thereby reducing the availability of freshwater in coastal areas. The total efflux (including fresh groundwater and circulating seawater) to the sea is commonly referred to as SGD. SGD is an important source of freshwater, nutrients, metals, and carbon to the ocean, thereby affecting coastal water quality and ecosystems. The study of the hydrological behaviors of these two processes in coastal aquifers is beneficial for the sustainable management of marine and groundwater resources in coastal areas.