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All Journal Jurnal Ekonomi, Teknologi dan Bisnis
Andreas Julio Nembo
ersitas Trisakti, Jakarta, Indonesia
Astronomy Economics, Econometrics & Finance Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Analysis Of Land Subsidence Relationship With Groundwater Table Depletion In South Jakarta Andreas Julio Nembo; Afiat Anugrahadi; Himmes Fitra Yuda
Jurnal Ekonomi Teknologi dan Bisnis (JETBIS) Vol. 2 No. 2 (2023): JETBIS : Journal Of Economics, Technology and Business
Publisher : Al-Makki Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5618.048 KB) | DOI: 10.57185/jetbis.v2i2.33

Abstract

Increased development activities and urbanization in South Jakarta have increased groundwater extraction. Continuous withdrawal of groundwater with poor management can cause a decrease in the groundwater level and trigger a subsidence. Therefore, a study is needed regarding the relationship of land subsidence with the decrease in groundwater levels that occur in South Jakarta. This research was conducted using secondary data in the form of drill log data to determine subsurface lithology, land subsidence measurement data using the GPS geodetic method, and groundwater level data in monitoring wells in Jakarta. The results of the study show that surface sediment deposits are dominated by a layer of clay which is still unconsolidated and relatively thickened to the north with a thickness of more than 300 m. This condition shows that the sediment layers in Jakarta are still undergoing a compaction process so that naturally subsidence occurs in the soil surface. Subsidence in the land surface in South Jakarta has a fairly strong correlation with the decline in the groundwater level, which is equal to 0.504, which means it has a fairly strong degree of correlation of 50.4%.
Co-Authors Afiat Anugrahadi Himmes Fitra Yuda