Purwoarminta, A, Moosdorf, Nils ORCID: https://orcid.org/0000-0003-2822-8261 and Delinom, R M (2018) Investigation of groundwater-seawater interactions: a review. IOP Conference Series: Earth and Environmental Science, 118 . DOI https://doi.org/10.1088/1755-1315/118/1/012017.

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Abstract

This paper is to review how to investigate the interactions between groundwater and seawater. Those interactions divide into two, which are submarine groundwater discharge and seawater intrusion. This investigation is important because the interactions can give impact to coastal aquifer and marine ecosystem. On land, fresh groundwater is vulnerable to seawater disturbance. Coastal aquifer is under pressure from abstraction caused by population, industry, and agriculture. The pumping can induce seawater intrusion and land subsidence. Then in marine, seawater mixes with freshwater and it decreases salinity. Low salinity will influence marine ecosystem. The ecosystem will be disturbed by groundwater discharge if that water is contaminated. Based on the argue investigation of groundwater-seawater interactions is important and must be accurate because the results are used for coastal water management. To investigate the interactions data, i.e., lithology, pumping tests, hydrochemical data, sea level rise estimates, precipitation data, geophysics, environmental isotopes, and drilling information, should be compiled. The interaction can feed a model to determine how much groundwater extraction happening on coastal areas to prevent seawater intrusion and land subsidence. Water resources management on coasts should consider groundwater-seawater interactions.

Document Type:	Article
Programme Area:	UNSPECIFIED
Research affiliation:	Biogeochemistry and Geology > Submarine Groundwater Discharge
Refereed:	Yes
Open Access Journal?:	Yes
DOI:	https://doi.org/10.1088/1755-1315/118/1/012017
ISSN:	1755-1307
Date Deposited:	12 Jun 2019 10:51
Last Modified:	01 Oct 2020 12:58
URI:	http://cris.leibniz-zmt.de/id/eprint/2047

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