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Evaluating Ground Water-Sea Water Interactions via Resistivity and Seepage Meters

机译:通过电阻率和渗流计评估地下水与海水的相互作用

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We investigated submarine ground water discharge and salt water-fresh water interactions at two locations along the shoreline of the Upper Gulf of Thailand to evaluate mechanisms of water and material transport into the coastal zone. Our data set illustrates the value of using a combined approach consisting of automatic seepage meters to monitor flow rates while assessing the conductivity (salinity) of the subterranean fluids via remote resistivity measurements. Negative correlations between electric conductivities of fluids measured directly inside seepage meter chambers and the remotely assessed resistivities of subsurface pore water show that such measurements may evaluate the spatial distribution of flow rates as well as the subterranean water quality in the coastal zone. Combined seepage and resistivity measurements may thus provide a more complete understanding of coastal ground water dynamics.
机译:我们调查了泰国上海湾沿岸两个地点的海底地下水排放和咸水与淡水的相互作用,以评估水和物质向沿海地区的运输机理。我们的数据集说明了使用结合的方法(包括自动渗漏计)来监测流量,同时通过远程电阻率测量评估地下流体的电导率(盐度)的价值。直接在渗漏计室内测量的流体的电导率与远程评估的地下孔隙水的电阻率之间的负相关关系表明,这些测量结果可以评估流量的空间分布以及沿海地区的地下水质。因此,结合的渗透率和电阻率测量值可以提供对沿海地下水动力学的更完整的了解。

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