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All Journal Jurnal Irigasi Sustainable Environmental and Optimizing Industry Journal
M. Yanuar J Purwanto
Departemen Teknik Sipil dan Lingkungan, Institut Pertanian Bogor
Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Engineering Industrial & Manufacturing Engineering

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KETERCUKUPAN AIR TEMPORAL SEBAGAI INDIKATOR KETERSEDIAAN AIR KAWASAN (STUDI KASUS DAS CILIWUNG HULU) Agus Susanto; M. Yanuar J Purwanto; Bambang Pramudya; Etty Riani
Sustainable Environmental and Optimizing Industry Journal Vol 1, No 1 (2019)
Publisher : Universitas Sahid

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36441/seoi.v1i1.604

Abstract

DAS Ciliwung Hulu wilayahnya meliputi kawasan wisata puncak, menpunyai curah hujan rata-rata tahunan lebih besar dari 3.000 mm, namun beberapa kawasan mengalami kekurangan air baku diwaktu musim kemarau. Kondisi tersebut akibat pembangunan lahan untuk pariwisata atau pemukiman dengan laju 12.34% per tahun, sehingga air hujan yang masuk ke dalam tanah (infiltrasi) hanya 20%. Tujuan dari penelitian ini adalah untuk mengetahui ketersediaan air sepanjang tahun dari masing-masing sub DAS di DAS Ciliwung Hulu dengan indikator ketercukupan air temporal. Metode yang digunakan adalah: F.J.  Mock untuk analisis debit andalan, Indeks Pollutan untuk analisis kualitas air, neraca air untuk surplus dan defisit air, dan indeks ketercukupan air temporal (IKaT). Hasil analisis menunjukkan: Sub DAS Ciseuseupan untuk katagori ketersediaan air termasuk ke dalam katagori tidak cukup, sedangkan dalam katagori ketercukupan air temporal masuk kurang cukup; Sub DAS Cibogo dalam katagori ketersediaan air masuk dalam status kurang cukup, namun dalam katagori ketercukupan air temporal termasuk ke dalam status sedang: sub DAS Cisarua baik untuk katagori ketersediaan maupun ketercukupan air temporal masuk dalam status sedang; dan sub DAS Ciesek, Ciliwung Hulu, dan Cisakabirus mempunyai skor 1 baik untuk ketercukupan air temporal maupun keterseiaan air.
Skenario Pengembangan Wilayah Berbasis Daerah Irigasi (Studi Kasus : di Cihea Kabupaten Cianjur) Endang Purnama Dewi; M. Yanuar J Purwanto; Asep Sapei
Jurnal Irigasi Vol 9, No 2 (2014): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (738.356 KB) | DOI: 10.31028/ji.v9.i2.89-95

Abstract

Regional development is targeted to make better growth in the rural area, by improving farmer’s welfare and minimizing the gap among the regions. In particular, the developement aims to increase farmers income percapita as an income indicators of development in rural area. In the irrigation area, the regional development can also increase the domestic revenue by providing value added program in this region. The existing regional plan (RTRW) of Cianjur in 2013 –2031 a part of the study area (Cihea irrigation system) are planned to be converted in to industrial area, it reaches 4209.903 ha. This research aims to provide an irrigation system based development strategy for guiding to the implementation of the RTRW. In the irrigation system, there are water resources and agricultural activities, mostly in food comodities. These resources will be considered in the study in order to achieve the target of rural development as for the implemention of RTRW. In this research, it analyzed supply and demand of irrigation, based on water balance calculation and farm production, the prospective industrial area in the region for processing the raw product of farming. As the result, the agricultural land convertion should be targeted into processing plant for rice. By these scenarios, the water resources were able to irrigate area of 5.484 ha with cropping pattern of rice-rice -secondary foodcrop as the minimum discharge occured in September its about 0.553 m3/second. The total production of this raw agricultural product can be processed to rice snack and cereal beside of rice, thus being able to gave rise in income of farmer to Rp 2.461.706,00 per planting season. Based on spatial analyze, the area which is can be developed are Ciranjang, Sukaratu, Sindangjaya, Mekargalih, Bojongpicung, Kertajaya, dan Cibiuk.
Co-Authors Agus Susanto Asep Sapei Bambang Pramudya Dewi, Endang Purnama Etty Riani