Shofiana, Anggun (2016) Identifikasi gua bawah tanah pada struktur gamping berdasarkan interpretasi data Ground Penetrating Radar (GPR): Studi kasus di Desa Sumbermanjing Kulon, Kecamatan Pagak, Kabupaten Malang, Provinsi Jawa Timur. Undergraduate thesis, Universitas Islam Negeri Maulana Malik Ibrahim.
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Abstract
INDONESIA:
Pada daerah Sumbermanjing Kulon Kecamatan Pagak Kabupaten malang banyak dijumpai adanya amblesan tanah berupa sinkhole/luweng yang sangat membahayakan bagi masyarakat setempat oleh karena itu dilakukan survei Ground Penetrating Radar (GPR) Future Series 2005 untuk mengidentifikasi gua bawah permukaan dan untuk mengetahui peta zona rawan amblesan tanah pada struktur gamping. Pengambilan data dilakukan pada daerah bagian sekitar gua dan daerah sekitar sinkhole/luweng. Total luas daerah penelitian sekitar 43 meter x 22,5 meter. Pengolahan data dilakukan dengan software visualizer 3D yang merupakan satu paket dengan GPR Future Series 2005. Berdasarkan hasil dari interpretasi secara kualitatif yang mengacu pada visualisasi 2D menunjukkan bahwa pada daerah penelitian terlihat adanya pola-pola bewarna biru yang mengindikasikan sebagai zona cavity (rongga-rongga) yang diduga sebagai salah satu penyebab adanya potensi terjadinya amblesan tanah berupa luweng/sinkhole. Daerah yang diprediksi sebagai zona rawan amblesan tanah adalah daerah pengambilan data 5, 6 dan 7 yang berada disebelah selatan sinkhole/luweng, tepatnya pada area survei 2.
ENGLISH:
In the area of Sumbermanjing Kulon district of Pagak of Malang had been found many land subsidence in the form of sinkhole/luweng that was very harmful for the local community, therefore conducted a survey Ground Penetrating Radar (GPR) Future Series 2005, to identify the underground cave and determine map of land subsidence zone in the limestone structure, Data was collected on the area around the cave and the area around the sinkhole/luweng. Total research area approximately were 43 x 22.5 meters. The data processing was done with the 3D visualizer software that was bundled with GPR Future Series 2005. Based on the results of qualitative interpretation which referred to the 2D visualization showed that the area of research there were many blue colored patterns that indicated a subsurface cavities (cavity zones) which were suspected as one cause of the potential occurrence of land subsidence in the form luweng/sinkhole. The area was predicted as a prone zone of subsidence of land or areas of incidence of catastrophic of new sinkhole/luweng was the area of data collection (trajectory) 5, 6 and 7 were located on the southern sinkhole/luweng, precisely in the survey area of 2.
Item Type: | Thesis (Undergraduate) | |||||||||
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Supervisor: | Irjan, Irjan and Abtokhi, Ahmad | |||||||||
Contributors: |
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Keywords: | Sruktur Gamping; Gua Bawah Tanah; Amblesan Tanah; Ground Penetrating Radar (GPR) Future Series 2005; Limestone Sructure; Underground Cave; Land Subsidence; Ground Penetrating Radar Future Series 2005 | |||||||||
Departement: | Fakultas Sains dan Teknologi > Jurusan Fisika | |||||||||
Depositing User: | Indar Erdiana | |||||||||
Date Deposited: | 06 Dec 2016 15:11 | |||||||||
Last Modified: | 06 Dec 2016 15:11 | |||||||||
URI: | http://etheses.uin-malang.ac.id/id/eprint/5282 |
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