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I Dewa Gede Jaya Negara
Jurusan Teknik Sipil, Fakulas Teknik, Universitas Mataram, Mataram Jalan Majapahit, No 62, Kota Mataram, Provinsi NTB, 83115
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Journal : Journal of the Civil Engineering Forum

 1 
Optimization of Pengga Reservoir in The Mandalika Special Economic Zone for Irrigation and Water Supply Agastya, Dewandha Mas; I Wayan Yasa; I Dewa Gede Jaya Negara
Journal of the Civil Engineering Forum Vol. 10 No. 2 (May 2024)
Publisher : Department of Civil and Environmental Engineering, Faculty of Engineering, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jcef.7913

Abstract

Mandalika Special Economic Zone is tourism area that is expected to improve the economy in West Nusa Tenggara Province. To support these activities, an allocation of domestic water needs of 200 liters second -1 is needed. The potential availability of water in the Pengga Reservoir is planned to be a source of domestic water needs in the Mandalika Special Economic Zone. Pengga Reservoir has an effective storage volume of 17.26 MCM. Potential water resources in Pengga Reservoir are obtained from reservoir outflow upstream and lateral inflow from several tributaries. The study was carried out to determine the reservoir storage capacity to meet domestic water needs and irrigation water needs covering an area 3189 ha. The cropping pattern used in the Pengga irrigation area is Paddy – Paddy/Secondary Crops – Paddy/Secondary Crops. To optimize the potential of water resources in the Pengga Reservoir, a linear programming optimization method is used. Indicators of the success of optimization calculations are indicated by the value of cropping intensity, k factor and reliability that have met the minimum limit value. The k factor value for irrigation water needs is 0.70 and domestic water needs is 0.85. Based on the optimization results, it is known the largest annual cropping intensity value occurs in the November I planting season. This conclusion can be seen from the comparison of annual cropping intensity values for the November I and November II planting schedules for the dry year inflow discharge scenario of 99.98% and 97.22% respectively. The cropping intensity value in the November I planting season is greater than November II, namely 100% and 97.25%, for the normal year discharge inflow scenario. This study provides an information for policy makers can use the November I planting schedule to obtain values for maximum cropping intensity and domestic water requirements.
Co-Authors , Kisman Abdi Fadillah Adhitya Halim .P Agastya, Dewandha Mas Agus Soroso Agus Suroso Agus Suroso Agus Suroso Agus Suroso Agus Suroso Agustono Setiawan Akbar, Tabrani Anid Spriyadi Anid Supriadi Anid Supriyadi Anid Supriyadi Anid Supriyadi Anid Supriyadi ANID SUPRIYADI Anid Supriyadi Atas Pracoyo ATAS PRACOYO Atas Pracoyo Bakti, Lalu Arifin Aria Bambang Budi Santoso Bambang Budi Santoso Bambang Hari Kusumo Bambang Hariyanto Bambang Hariyanto Budianto, M Bagus BUDIANTO, M. BAGUS Desi Widianty Desi Widiyanti Dewa Made Alit Karyawan Dewandha Mas Agastya DEWANDHA MAS AGASTYA Dewi, Kurnia Didi Supriyadi Agustawijaya Eko Pradjoko EKO PRADJOKO Eniarti, Miko Ery Setiawan Ery setiawan ERY SETIAWAN Fera Fitri Salsabila GUNAWAN, ADRI Hartana Hartana HARTANA HARTANA Hartana, Hartana Hasim Hasyim Hasyim, Hasyim hasyim, hasyim Heri Sulistiyono Heri Sulistiyono Heri Sulistiyono Heri Sulistiyono Heri Sulistiyono, Heri HERI SULISTYONO Hidayat, Syamsul Humairoh Saidah I B Giri Putra I Gusti Made Kusnarta I Kade Wiratama I Nyoman Merdana I Nyoman Merdana I W Sugiartha I Wayan Joniarta I Wayan Suteja I Wayan Yasa I Wayan Yasa I Wayan Yasa I Wayan Yasa I Wayan Yasa I Wayan Yasa, I Wayan I.B. Giri Putra IAO Suwati Sideman Ida Ayu Oka Suwati Sideman Ida Bagus Giri Putra IDewa MadeAlitKaryawan Isnaniar Isnaniar Rahmatul Azizah IWayan Suteja Joko Priyono Julio, Ryan Bagus Jurnal Pepadu Karyawan, I Dewa Made Alit Kisman Lalu Arifin Aria Bakti Lalu Wirahman Wiradarma Lalu Wirahman Wiradarma Lalu Wirahman Wiradharma Lilik Hanifah Lilik Hanifah Lolita Endang Susilawati Lolita Endang Susilowati M Bagus Budianto M R. Sepriadi Made Anggitha Dewi Made Mahendra Made Mahendra MadeMahendra Mahendra, Made Merdana, I Nyoman Miko Eniarti Muh Bagus Budianto Muh. Bagus Budianto Muhajirah Ngudiono Ngudiono Ni Luh Ayu Aprilianti Ni Made Seniari Ni Putu Ira Sintia Kurnianti Nufalia Hidayati Nurrachman Nurun Ainudin Pathurahman PRACOYO, ATAS Purwangsa, Herdi PUTRA, IDA BAGUS GIRI Ratna Yuniarti Ratna Yuniarti Rohani Rohani Rohani Rohani SAIDA, HUMAIRO Saiful Anwar Saleh, Ramdan Salehuddin Salehuddin, Salehuddin Salehudin Salehudin Salehudin Salehudin Salehudin Sideman, IAO Suwati Sukartono Suparjo Suparjo Suparjo SUPRIYADI, ANID Suwardji Tajidan, Tajidan Veithzal Rivai Zainal WIRADARMA, LALU WIRAHMAN Yusron Saadi YUSRON SAADI Yusron Saadi Yusron Saadi Yusron Saadi