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Journal : Indonesian Journal on Geoscience

Risk Assessment of Groundwater Abstraction Vulnerability Using Spatial Analysis: Case Study at Salatiga Groundwater Basin, Indonesia Putranto, Thomas Triadi; Winarno, Tri; Susanta, Axel Prima Agita
Indonesian Journal on Geoscience Vol 7, No 2 (2020)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17014/ijog.7.2.215-224

Abstract

DOI:10.17014/ijog.7.2.215-224Salatiga Groundwater Basin (SGB) is located in Java Island, Indonesia. Administratively, it covers Semarang Regency, Salatiga City, and Boyolali Regency. Industry and community use groundwater to fulfil their daily need. Increasing number of deep wells that extract groundwater will cause some environmental problems, such as lowering groundwater level and subsidence at SGB. Thus, there is a need to assess the adverse impacts of groundwater abstraction. Risk assessment of groundwater vulnerability due to abstraction is the goal of this study. The research method was taking account of weighting of geological parameters, such as response characteristics of the aquifers, characteristics of aquifer storage, aquifer thickness, piezometric depth, and distance from the shoreline to conduct the groundwater vulnerability mapping. It was then overlaid on a map of regional spatial plan to develop the map of vulnerability risk due to abstraction. The groundwater vulnerability due to abstraction is categorized in the medium level. After being overlaid by the land use map, the risk of groundwater vulnerability due to abstraction is classified into three kinds, which are low, medium, and high. Regions with a low class can be neglected. Areas with moderate risk require an exhaustive review of technical requirements of the use of borewell. Areas with high-risk need a comprehensive consideration to use artesian wells by monitoring wells with drill licenses, tightening the permit to add new production wells, and conducting periodic review of groundwater monitoring.
Co-Authors Agus Harjanto Agus Harjanto Aisyah Nur Isneni Aji Bagas Putro Anggraeni, Wahyu Dini Anik Sarminingsih, Anik Annita Kusuma Wardhani Apoina Kartini Arizatur Reza Wicaksono Aska Zakiya Asri Cahaya Hati Axel Prima Agita Susanta Daniel Setiawan Dedi Hermawan Devina Trisnawati Dhana Hastuti Dina Rahayuning Pangestuti Dina Rahayuning Pangestuti, Dina Doni Prakasa Eka Putra Erlangga Erlangga Fadilah, Amar Jihad Fanny, Celsy Miftaqul Tiara Fatir Yuslihanu, Fatir Firza Syarifa Zahra Firza Syarifa Zahra Fuad Muhammad Fuad Muhammad Garindra Yogiswara Goji Pamungkas H Hadiyanto Hakkina, Delano Ichsan Hartanto, Fandika Virgiawan Haryono Setiyo Huboyo Hati, Asri Cahaya Heru Hendrayana Hidayatillah, Ahmad Syauqi I Made Adnyana Nala Imsak Aditya Respati Priyono Isti Karim Muhandini Jayawarsa, A.A. Ketut Kevin Alexander, Kevin Kresno Wikan Sadono M Rio Aulia Mahira Anaqah Huwaina Marin, Jenian Mochamad Arief Budihardjo Muhammad Iqbal Muhrozi Muhrozi Mustiono, Ady Rieo Wahyu Naintina Lisnawati Najib Najib Narulita Santi Nestri Martini Noorbasith Al Fajri Norma Afiati Novi Susanto Novie Susanto Nugraheni, Vania Salsabila Anabel Pranata, Mathias Andika Setya Putri, Maya Aiko Salsabila Rahmawati, Laily Agustina Reddy Setyawan Rinal Khaidar Ali Rinal Khaidar Ali Rino Dwi Hutama Rr. Tony Yulianto Santhi Widyastuti Santi, Narulita Sapto Purnomo Putro Sinatrya Diko Prayudi Sinatrya Diko Prayudi Sri Sangkawati Suharyanto Suharyanto Susanta, Axel Prima Agita Susanta, Axel Prima Agita T. Listyani R.A. Taat Setiawan Taat Setiawan, Taat Tabitha Abid Ardaneswari Tri Winarno Truman Simaremare Umar, Savikri Misbahul Wahju Krishna Hidajat Wahju Krisna Hidajat Wahju Krisna Hidayat Widiarso Dian Agus Widyanto David Yanuar Niko Priambodo Zulfa Nindya Salsabila