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首页> 外文期刊>Estuarine coastal and shelf science >'Quantitative assessment of aquifer potential in near shore coastal region using geospatial techniques and ground penetrating radar'
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'Quantitative assessment of aquifer potential in near shore coastal region using geospatial techniques and ground penetrating radar'

机译：'Quantitative assessment of aquifer potential in near shore coastal region using geospatial techniques and ground penetrating radar'

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摘要

Freshwater potential in coastal aquifers is under constant threat due to salinity hazard from saltwater intrusion. The main focus of the present study is, quantitative assessment of freshwater pockets using ground penetrating radar (GPR) investigation coupled with geospatial data of a near shore coastal aquifer, in the east coast of India. This area is suffering from saltwater intrusion and over-exploitation of groundwater. Randomly collected GPR profiles, well information, remote sensing data and soil samples were analysed. The integration of these tech-niques and data sets provided a robust platform to assess/identify the freshwater columns. The results show the seasonal water table variation from 1 to 4.25 m in pre-monsoon and 0.5 to 2.5 m in post-monsoon below ground level (BGL). The freshwater/saltwater interface zone varies from 3 to 6.0 m and 3 to 7.4 m in pre and post-monsoon respectively. The seasonal variation of freshwater column ranges from 0.5 to 4.3 m (pre-monsoon) and 1.5 to 5.3 m (post-monsoon). Aquifer potential (AP) varies from 0.01 to 6.70 million cubic meters (mcm) and 1.05 to 12.8 mcm in pre and post monsoon respectively. This study illustrates the aquifer potential and the overall groundwater dynamics for groundwater resource management.

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