Quantitative characterization of subsurface water quality using advanced electrical resistivity imaging and inverse modeling techniques

Contributors

  • Dr. Chathuranga Thotawattage

Partners

  • Rajarata University of Sri Lanka
  • Water Resource Board, Anuradhapura, Sri Lanka.

Started in September 2023

ongoing

4 Months Project

SDG Achievements

Water is one of the crucial factor in the sustainable agriculture. Continues water supply is essential for crop growth and it can be identified as a challenging task for dry zone farmers in Sri Lanka. Therefore most of the farmers try to explore ground water for their farms. Due to low quality of ground water (High hardness and salinity) most of the tube wells fails after drilling it. Therefore this study will introduce naval methodology to identify water quality before drilling it. This will provide huge support for sustainable agriculture in Sri Lanka specially in dry zone.

Unsafe water provides large contribution in the mortality rate. Sri Lanka can be identified as a country which has quality water. But due to high urbanization and high level use of fertilizer, contaminate surface water rapidly. Therefore more people started to relay on ground water instead of surface water. However, after drilling tube wells by expending large amount of money sometimes they end up with nothing due to low quality of water. This study can be used to reduce uncertainty of finding quality ground water. Therefore people can have access to safe water.

Bodies of ground water with good ambient water quality is real challenge in coastal areas and dry zone in Sri Lanka. This study will provide naval methodology to to identifying quality ground water sources.

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