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Journal : JURNAL SUMBER DAYA AIR

PEMODELAN TIME-LAPSE MICROGRAVITY UNTUK ESTIMASI PERUBAHAN MUKA AIRTANAH DI BANDUNG, JAWA BARAT Wahyudi, Eko Januari; A. Kadir, Wawan Gunawan; Alawiyah, Susanti; Setianingsih, Setianingsih; Gunawan, Indra; Abdurrahman, Dadi
JURNAL SUMBER DAYA AIR Vol 19, No 2 (2023)
Publisher : Direktorat Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jsda.v19i2.858

Abstract

 Studies related to groundwater monitoring using geophysical methods have been carried out since the 1990s. Surface gavity data with a scheme of relative gravimeter measurements is chosen for monitoring in urban areas because it is quite fast, easy, affordable, and relatively low-impact on the environment. The significance of the time-lapse microgravity method for the target of this study depends on changes in the mass of water in the aquifer layer below the surface. The research area in this study covers the city of Bandung and several surrounding areas with an interpolated grid coverage of (18 x 17) km2. Gravity changes were determined by six repeated surveys at the same observation points from 2010 to 2021. The aim of this research is to develop a method for estimating groundwater table changes based on time-lapse microgravity data modeling. The complexity of subsurface density changes is simplified for two parts related to near surface density changes and density changes in the intermediate aquifer layer. The trend of groundwater table data in 2010 is used as a reference to determine estimates for 2015, 2016 (February and August), 2019, and 2021. Modeling results for intermediate aquifers (confined groundwater system) provide changes in groundwater levels from 2010 with estimates reached ±23 meters, while the results of modeling at near surface (shallow groundwater level) indicate a groundwater level change of approximately ±8 meters from the year 2010.Keywords:       microgravity, groundwater, modeling, hydrology, aquifer.  
Co-Authors Abdurrahman, Dadi Adjat Sudradjat Agus Murtana Agustina, Adinda Putri Agustina, Dewi Yulia Agustina, Nur Wulan Agustina, Wanda Ahmad Asyrofi, Ahmad Amelia Rahayu Anggeraeni, Rina Anisa Anisa Annisa Annisa Ardini, Weda Ayu Arya Seta Amirrudin, Muhammad Astuti, Eka Wiji Aydi, Danisa Putri Baginda Oloan Lubis Candra Hermawan Daniswara, A Darharta Dahrin DARSITA, ITA Darwati, Lestari Eko Darwati, Lestari Eko Deanti, Afiya Nurrahma Diana Diana Eko Januari Wahyudi Erlangga, Banu Fadli, Roni Finatariani, Endah Fitriana Noor Khayati Fitriana Nugraheni, Fitriana Fitriani, Alvita Desma Galuh Putri R, Amanda Hendri Hendri Indra Gunawan Irayani, Fahrul Irma Sari Irmawati Carolina Istiyani, Eka Kassatun, Yenni Kassatun, Yenni Khasanah, Daruti Uswatun Khasanah, Daruti Uswatun Khoerunnisa, Rahmawati Kurnia Sari Nia, Atika Kusumaningrum, Puput Risti Musta'in, Musta'in Ningsih, Amanda Wahyu NK, Fitriana Noviyanti, SIamni Nugroho, Irfan Arif NUR AENI Oktarianti, Septia Prasasti, Selly Primasari , Sefria Indah Primasari, Sefria Indah Putri, Rafika Dwi Yulia Rahmawati, Wulan Suci Ratnasari Ratnasari Retno Yuli Hastuti Rina Anggraeni, Rina Rina Wahyuni Rohmawati, Agustin Nur RONI Rosi Indriani, Rosi Saputri, Yunita Saputro, Wahyu Adhi Sari, Atika Kurnia Sari, Diyah Titi Sari, Ekta Puspita Septiana, Efa Septiningrum, Liana Dwi Setyawan, Anggis Angelriska Sri Mulyani Susanti Alawiyah Suyami, Suyami Triolandi, Dody Veranita, Weri Wahyuni , Rina Wawan Gunawan A. Kadir Widyasari, Noviana Wijanarko, Yogi Wina Widiati Yana, Indah Putri Yulianto Yulianto Yuni Puji Widiastuti Zahro, Sangidhatu Zenabia, Tsarina ‪Arlina Dhian Sulistyowati‬