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Fresh groundwater resources in coastal aquifers

PI: Priyantha Ranjan
Institution: Tohoku University
Abstract:
Our research interest is global water resources, especially fresh groundwater resources in coastal aquifers. We mainly concern about the change in the available fresh groundwater resources in coastal aquifers due to sea water intrusion. The effect of climate change and related phenomenon on reduction of fresh groundwater resources is the main target of my study.

In this research, we plan to study the change in fresh groundwater resource in coastal aquifers based on the movement of firewater-saltwater interface in the aquifer. I already developed a model to analyze the movement of freshwater-saltwater interface in coastal aquifers based on sharp interface concept. The modeling process concludes that the factors like hydro-geological properties of the aquifer, groundwater recharge, sea level change affect the movement of freshwater-saltwater interface in coastal aquifers. The effect of climate change (mainly precipitation and temperature) on the groundwater recharge and the effect of the recharge on the movement of saltwater –freshwater interface in coastal aquifers will be analyzed in my study. Also the effect of sea level change on the movement of freshwater-saltwater interface will be analyzed. The study will be conducted in the global scale.
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