Department of Geology, V.O. Chidambaram College, Tuticorin, Tamil Nadu, India; Registration No: 19212232222016, Affiliated to Manonmaniam Sundranar University, Tirunelveli, Tamil Nadu, India.
Department of Geology, V.O. Chidambaram College, Tuticorin, Tamil Nadu, India.
Chemosphere. 2023 Jun;325:138261. doi: 10.1016/j.chemosphere.2023.138261. Epub 2023 Mar 8.
Submarine groundwater discharge (SGD) is the combination of fresh and saline groundwater flux to marine system through continental boundaries regardless of its chemical composition and factors influencing the flow. We have discussed the SGD studies in the Asian context; SGD has been studied in various parts of Asia, including China, Japan, South Korea, and Southeast Asia. In China, SGD has been studied in several coastal regions, including the Yellow Sea, the East China Sea, and the South China Sea. In Japan, SGD has been studied in the Pacific coast, where it has been found to be an important source of fresh water to the coastal ocean. In South Korea, SGD has been studied in the Yellow Sea, where it has been found to be an important source of fresh water to the coastal ocean. In Southeast Asia, SGD has been studied in several countries, including Thailand, Vietnam, and Indonesia. Recently the SGD studies acquired much development India, the research on SGD in India is limited, and more studies are needed to understand the SGD process, its impact on the coastal environment, and the management strategies, Groundwater extraction for irrigation, industry, and domestic use is increasing in India, which can affect the SGD process in coastal aquifers. Overall, the studies suggest that SGD is an important process in Asian coastal regions, playing a role in the supply of fresh water and the transport of pollutants and nutrients.
地下水流向海洋（SGD）是指不论其化学成分和影响水流的因素如何，通过大陆边界将淡水和咸水地下水通量组合到海洋系统中的过程。我们已经讨论了亚洲背景下的 SGD 研究；SGD 已在亚洲的多个地区进行了研究，包括中国、日本、韩国和东南亚。在中国，SGD 已在中国的几个沿海地区进行了研究，包括黄海、东海和南海。在日本，SGD 已在太平洋沿岸进行了研究，在那里它被发现是沿海海洋的重要淡水来源。在韩国，SGD 已在黄海进行了研究，在那里它被发现是沿海海洋的重要淡水来源。在东南亚，SGD 已在包括泰国、越南和印度尼西亚在内的几个国家进行了研究。最近，印度的 SGD 研究也取得了很大的发展，但是印度对 SGD 的研究还很有限，需要进行更多的研究来了解 SGD 过程、它对沿海环境的影响以及管理策略。印度用于灌溉、工业和家庭用途的地下水抽取量正在增加，这可能会影响沿海含水层中的 SGD 过程。总的来说，这些研究表明，SGD 是亚洲沿海地区的一个重要过程，在淡水供应、污染物和养分输送方面发挥着作用。
