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      Economic and hydrology analysis of water resources management juanda reservoir by jasa tirta ii state corporation: dynamic optimization approach

      Analisis ekonomi dan hidrologi pengelolaan sumberdaya air waduk juanda oleh perusahaan umum jasa tirta II: pendekatan optimasi dinamik

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      Date
      2012
      Author
      Slametto
      Syaukat,Yusman
      Limbong,W. H.
      Amron,Mochammad
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      Abstract
      Rapid population growth, urban development, and food demand have increased pressure on water demand over time. The stock of water resources has became limited, not only in terms of quantity, but also quality. This scarcity has increased intersectoral water demand in Jatiluhur Irrigation Area. The objectives of this research are (1) to evaluate of the existing and optimal water allocation, (2) to estimate total net social benefit generated from distributing water by Jasa Tirta II State Corporation, and (3) to evaluate raw water tariffs charged to users, namely electricity generator, municipal water utilities (Jakarta, Karawang, Bekasi, Subang and Indramayu), industries. Primary and secondary data are collected for the period of 10 years and used in this research and a dynamic optimization approach is applied. The study area includes the area of Juanda Reservoir and Jatiluhur Irrigation Areas, which include East Tarum, North Tarum, and West Tarum canals. Water resource user sectors, namely the irrigation sector, water companies regency / municipality sector, industry sector, and the Regional Water Company of Jakarta sector. The analytical method used is a dynamic optimization approach. The results showed that (1) optimal allocation of water to the agricultural sector is more efficient than the actual allocation, so more water can be allocated for the other sectors, (2) In order to improve the benefits of water, the Ministry of Public Work should allocate sufficient funding for rehabilitate the infrastructure, including to reduce sedimentation in the dam and its irrigation networks, simulation on the levels of water allocated for irrigation results in more economic water distribution which generates higher social benefits, and (3) optimal water allocation implies optimal values of water that can be used to determine the tariff of water charges to different users. and second the Jasa Tirta II State Corporation should include user cost of the water in determining the tariff of water.
       
      Daerah Irigasi Jatiluhur dibangun oleh Pemerintah pada tahun 1957─1967 yang dilengkapi dengan Waduk Juanda dan sistem irigasi yang mampu mengairi daerah pertanian seluas 240 ribu hektar. Tujuan awal pembangunan Daerah Irigasi Jatiluhur adalah pemanfaatan sumberdaya air sungai Citarum untuk meningkatkan penyediaan pangan dan pengendalian banjir. Sesuai dengan perkembangannya, pemanfaatan air Daerah Irigasi Jatiluhur telah menjadi pemasok air baku bagi kepentingan air minum, rumah tangga, municipal, dan industri serta PLTA. Wilayah sekitar Citarum memiliki pertumbuhan ekonomi yang tinggi, jumlah penduduk yang besar, dan sumber air yang terus berkurang. Hal ini menimbulkan kelangkaan air dan menjadikannya barang ekonomi (economic good). Di lain pihak, sarana dan prasarana saat ini sudah tidak berfungsi dengan baik. Biaya operasional dan pemeliharaan Perum Jasa Tirta II didapat dari penerimaan para pengguna air dengan tarif yang ditetapkan Pemerintah yang kemungkinan terlalu rendah. Sehubungan dengan itu, tujuan penelitian untuk (1) membangun model pola alokasi optimal sumberdaya air di Daerah Irigasi Jatiluhur, (2) membandingkan pola distribusi air antara kondisi saat ini dengan beberapa pola alternatif yang dapat meningkatkan manfaat sosial bersih dari sumberdaya air, (3) mengestimasi nilai ekonomi dari sumberdaya air untuk setiap sektor pengguna, dan (4) mengestimasi peningkatan nilai manfaat sosial bersih dari berbagai pola alokasi. Hal ini dimaksudkan untuk melakukan efisiensi ekonomi tentang pengelolaan sumberdaya air di Daerah Irigasi Jatiluhur agar dapat dimanfaatkan secara optimal.
       
      URI
      http://repository.ipb.ac.id/handle/123456789/55333
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      • DT - Economic and Management [503]

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      Indonesia DSpace Group 
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