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Roihan, Nur Ahmad
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Humanities Computer Science & IT Economics, Econometrics & Finance Education Social Sciences

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Identification of Coastal Seawater Intrusion in North Java Using Vertical Electrical Sounding (VES): A Case Study of Suradadi District, Tegal, Central Java Dianwiyono, Yustisio; Augustria, Azriel Ihza Putra; Wiradityo, Dhiyatamma Purusa; Destianto, Bayu Majid; Roihan, Nur Ahmad
Journal of Social Research Vol. 4 No. 8 (2025): Journal of Social Research
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/josr.v4i7.2675

Abstract

Suradadi District is one of the districts in Tegal Regency, located in the Pantura (North Coast) area of Java. The availability of clean water is a significant issue in coastal regions, as wells that have been dug often yield brackish to saline water. The objective of this study is to identify the distribution of seawater intrusion in the coastal area of Suradadi District, Tegal Regency. The method employed is the Vertical Electrical Sounding (VES) geoelectrical method at five measurement points, each spaced approximately 600 meters apart. Data acquisition was carried out at five parallel lines, with point spacing ranging from 300 to 1000 meters. Seawater intrusion in the study area is widespread, extending up to approximately ±2300 meters inland from the coastline. Intrusion was identified at depth intervals as follows: point 1 at depths of 0.5–27 meters, point 2 at 1–27 meters, point 3 at 3.5–13 meters, point 4 at 10–14 meters, and point 5 at 14–17 meters. The extent of intrusion in this area is primarily attributed to the lithological composition, which is dominated by alluvial deposits consisting of sand, silt, and clay.
Co-Authors Augustria, Azriel Ihza Putra Destianto, Bayu Majid Dianwiyono, Yustisio Wiradityo, Dhiyatamma Purusa