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      Perencanaan Konservasi Air di Kawasan Karst Bukit Cibodas-Bogor dan Sekitarnya

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      Date
      2021-01-03
      Author
      Alief, Mohamad Nur
      Prastowo
      Waspodo, Roh Santoso Budi
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      Abstract
      Kawasan karst memiliki keunikan secara hidrologi sehingga diperlukan upaya konservasi air guna melestarikan kawasan ini. Penelitian ini bertujuan untuk merencanakan upaya konservasi air di kawasan karst baik secara struktural maupun non – struktural. Analisis yang dilakukan meliputi status daya dukung lingkungan, kapasitas simpan air, potensi suplai air, serta perencanaan konservasi air melalui perencanaan tutupan lahan dan bangunan penangkap mata air. Penelitian ini dilakukan di kawasan karst Bukit Cibodas - Bogor. Kawasan karst dan sekitarnya memiliki ketersediaan air dari curah hujan andalan sebesar 14,80 x 10⁶ m³ dengan kapasitas simpan air sebesar 0,98 x 10⁶ m³ (44%). Estimasi jejak ekologi kebutuhan air (water footprint) sebesar 35,38 x 10⁶ m³/tahun. Status daya dukung lingkungan sumberdaya air pada kawasan karst dan sekitarnya yaitu “terlampaui” (overshoot) dengan rasio supply/demand sebesar 0,4. Kapasitas simpan air kawasan karst sebesar 0,98 x 10⁶ m³ dengan potensi debit suplai air sebesar 0,19 m³/detik. Upaya konservasi air pada kawasan karst dan sekitarnya yang dapat dilakukan diantaranya adalah dengan konversi lahan pertambangan dan fasilitasnya menjadi hutan yang berimplikasi terhadap peningkatan kapasitas simpan air sebesar 0,02 x10⁶ m³ (3%) menjadi 1,00 x10⁶ m³. Tipe bangunan penangkap mata air yang disarankan yaitu tipe IA kapasitas 0,02 m3/detik dengan perkiraan biaya sebesar Rp.75.159.000.
       
      The karst area is hydrologically unique, so water conservation efforts are needed to preserve this area. This study aims to plan water conservation efforts in karst areas, both structurally and non-structurally. The analysis includes the status of environmental carrying capacity, water storage capacity, water supply potential, and water conservation planning through land cover planning and broncapturing building. This research was conducted in the karst area of Bukit Cibodas - Bogor. The karst area and its surroundings have water availability from reliable rainfall of 14,80 x 10⁶ m with a water storage capacity of 0,98 x 10⁶ m³ (44%). The estimated ecological footprint (water footprint) is 35,38 x 10⁶ m³/year. The status of the environmental carrying capacity in the area is “overshoot” with supply/demand ratio of 0,4. The water storage capacity of the karst area is 0,98 x 10⁶ m³ with a potential discharge of water supply of 0,19 m³/second. Water conservation efforts in the area that can be carried out include converting mining land into forests which has implications for increasing water storage capacity by 0,02 x10⁶ m³ (3%) to 1,00 x10⁶ m³. The recommended type of broncapturing building is IA with capacity 0,02 m3/second an estimated cost Rp. 75.159.000.
       
      URI
      http://repository.ipb.ac.id/handle/123456789/108066
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      • UT - Civil and Environmental Engineering [1042]

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      Copyright © 2020 Library of IPB University
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      Indonesia DSpace Group 
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