Water exchange and mixing at the aquifer-ocean interface

含水层-海洋界面的水交换和混合

• 批准号: DP0346461
• 负责人: Prof Ling Li
• 金额: $ 10.57万
• 依托单位: The University of Queensland
• 依托单位国家: 澳大利亚
• 项目类别: Discovery Projects
• 财政年份: 2003
• 资助国家: 澳大利亚
• 起止时间: 2003-01-01 至 2005-12-31
• 项目状态: 已结题
• 来源: https://dataportal.arc.gov.au/RGS/Web/Grants/DP0346461
• 关键词: Water; exchange; mixing; aquifer; ocean

Submarine groundwater discharge (SGWD) has been identified by International Geosphere-Biosphere Programme as an important contamination source for coastal marine and estuarine environments. Nutrient input associated with SGWD is threatening the Great Barrier Reef. Water exchange driven by tides/waves at the shore contributes to SGWD significantly. However, no data of the water exchange rates exist. This project will measure time-varying groundwater flow and salinity distribution in the intertidal zone at two beaches to study near-shore water exchange and mixing. These unique data, providing basis for developing SGWD models, will improve the understanding and quantification of subsurface chemical fluxes to coastal waters.

海底地下水排放（SGWD）已被国际地圈-生物圈计划确定为沿海海洋和河口环境的重要污染源。与SGWD相关的养分输入正威胁着大堡礁。海岸潮汐/波浪驱动的水交换对SGWD有重要贡献。但是，没有水交换率的数据。本项目将测量两个海滩潮间带随时间变化的地下水流量和盐度分布，以研究近岸水的交换和混合。这些独特的数据为建立SGWD模型提供了依据，将提高对沿海水域地下化学通量的认识和量化。