SISTEM INFORMASI GEOGRAFIS DALAM MENATA KAWASAN PEMUKIMAN TERHADAP BENCANA GEOLOGI DI KABUPATEN BANTUL, DAERAH ISTIMEWA YOGYAKARTA

Chandra Setiyadi Sofyan, Anggoro (2017) SISTEM INFORMASI GEOGRAFIS DALAM MENATA KAWASAN PEMUKIMAN TERHADAP BENCANA GEOLOGI DI KABUPATEN BANTUL, DAERAH ISTIMEWA YOGYAKARTA. Masters thesis, UPN "Veteran" Yogyakarta.

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Abstract

Earthquake dated May 27, 2006 which resulted in a number of fatalities and damage to buildings caused by fault activity or active fault along the Opak River, and many settlements are still scattered throughout the earthquake zone. Analysis of GIS overlay map of fault buffer and settlement area plus population statistic data of population and population density level obtained land area exposed buffer zone of primary earthquake with highest value in sequence that is Kecamatan Jetis, Imogiri, Pleret, Pundong and Banguntapan. Based on the statistical data obtained for the mortality level of casualties from the buffer of the primary quake zone, the highest values were obtained in the sequence, namely Kecamatan Jetis, Pundong, Pleret, Imogiri and Kretek. Based on the result of scoring slope map, soil type map, groundwater map, rainfall map, disaster prone map and land use map then overlay with fault buffer map obtained statistical data of residential land potential in Bantul regency. Based on the statistical data obtained for the very potential land area for the settlement obtained the highest value in sequence, namely Kecamatan Dlingo, Banguntapan, Srandakan, Bantul and Kasihan. Kejadian gempa tanggal 27 Mei 2006 yang mengakibatkan sejumlah korban jiwa dan kerusakan bangunan disebabkan oleh aktivitas patahan atau sesar aktif di sepanjang Kali Opak, serta banyak pemukiman masih tersebar di sepanjang zona gempa. Analisa overlay SIG peta buffer patahan dan lahan pemukiman ditambah data statistik kependudukan jumlah penduduk dan tingkat kepadatan penduduk didapatkan luas lahan terkena buffer zona gempa primer dengan nilai tertinggi secara berurutan yaitu Kecamatan Jetis, Imogiri, Pleret, Pundong dan Banguntapan. Berdasarkan data statistik yang diperoleh untuk tingkat bahaya korban jiwa dari buffer zona gempa primer didapatkan nilai tertinggi secara berurutan yaitu Kecamatan Jetis, Pundong, Pleret, Imogiri dan Kretek. Berdasarkan hasil scoring peta lereng, peta jenis tanah, peta air tanah, peta curah hujan, peta rawan bencana dan peta penggunaan lahan yang kemudian dilakukan overlay dengan peta buffer patahan didapatkan data statistik potensi lahan pemukiman di Kabupaten Bantul. Berdasarkan data statistik yang diperoleh untuk luas lahan sangat berpotensi untuk pemukiman didapatkan nilai tertinggi secara berurutan yaitu Kecamatan Dlingo, Banguntapan, Srandakan, Bantul dan Kasihan. Kata kunci — patahan, buffer, scoring dan overlay

Item Type: Thesis (Masters)
Subjects: Q Science > QE Geology
Divisions: Faculty of Engineering, Science and Mathematics > School of Engineering Sciences
Depositing User: Eko Yuli
Date Deposited: 30 Aug 2017 02:27
Last Modified: 30 Aug 2017 02:27
URI: http://eprints.upnyk.ac.id/id/eprint/12679

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