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All Journal MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management Jurnal Ilmu Pertanian Indonesia Agromet Forum Pasca Sarjana Jurnal Ilmu Tanah dan Lingkungan (Journal of Soil Science and Environment) JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR Jurnal Ilmu Lingkungan JURNAL TEKNOLOGI LINGKUNGAN Journal of Tropical Soils Jurnal Keteknikan Pertanian Sains Tanah Agrovigor: Jurnal Agroekoteknologi Jurnal Sumberdaya Lahan Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Jurnal Tataloka Informatika Pertanian JTERA (Jurnal Teknologi Rekayasa) Jurnal Irigasi Jurnal Penelitian Pengelolaan Daerah Aliran Sungai Journal of Environmental Engineering & Waste Management Musamus AE Featuring Journal Jurnal Sumberdaya Lahan Jurnal Tanah dan Iklim
Suria Darma Tarigan
Departemen Ilmu Tanah Dan Sumberdaya Lahan, Fakultas Pertanian, IPB University
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering

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Journal : Agromet

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Evaluation of Different Runoff Curve Number (CN) Approaches on Water Regulation Services Assessment in Intermittent Micro Catchment Dominated by Oil Palm Plantation Yudha Kristanto; Suria Darma Tarigan; Tania June; Enni Dwi Wahjunie
Agromet Vol. 35 No. 2 (2021): DECEMBER 2021
Publisher : PERHIMPI (Indonesian Association of Agricultural Meteorology)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j.agromet.35.2.73-88

Abstract

Surface runoff is a primary driving factor for water regulation services on oil palm plantations as it determines the hydrological components and other biogeochemical process. Therefore, understanding on their interaction and contribution within the watershed system is important to support decision-making system. Here, we applied Soil and Water Assessment Tools (SWAT) model to simulate water regulation services for an intermittent micro-catchment dominated by oil palm plantation in Harapan Landscapes, Batanghari Regency, Jambi Province. In this study, we used two different runoff curve number (CN) approaches in the SWAT model, namely the soil moisture curve number (CN-SM) and the plant evaporation curve number (CN-ET), to evaluate their applicability and uncertainty for assessing water regulation services. SWAT was automatically calibrated and validated against daily observed streamflow data. The results showed that the model performed well as indicated by hydrograph visual interpretation and statistical indicators. The performance was good for calibration and validation for both approaches with high R2 and Nash-Sutcliffe Efficiency (NSE). Also, the uncertainty was acceptable with P-factor >70% and R-factor <1. Differences in CN-SM and CN-ET's conceptual structure have caused variations in the calibrated parameters' best-fit value and their sensitivity to streamflow simulations, which implicated for other components' output water regulation services. However, CN-ET approach was less responsive to area's biophysical conditions for runoff generation than CN-SM one. This implicated that CN-ET generated low soil water storage and an overestimated actual evapotranspiration. This modeling exercise showed selection of a runoff CN approach by considering biophysical characteristics is important for calculating and simulating water balance component in such watershed. The accuracy of the simulation will significantly influence watershed management recommendations to improve water regulation's sustainability.
Co-Authors . Asisah . Hikmatullah Afri Fajar AH. Maftuh Hafidh Zuhdi Ai Dariah Andria Harfani Qalbi Atang Sutandi Austin Ullyta Bambang Hendro Trisasongko Bandung Sahari Bejo Slamet Budi Kartiwa Bunasor Sanim Bunasor Sanim Dasanto, Bambang Dwi Dede Sulaeman Dede Sulaeman, Dede Dwi P T Baskoro Dwi Putro Tejo Baskoro Enni Dwi Wahjunie Enni Dwi Wahyunie ERNA SURYANI Erwin Hermawan Faqihna Pidin Fitriani Hayati Gunadi Firdaus Haki Yusdinar Haris Syahbuddin Hefni Effendi Hendrayanto . Hengky Wijaya Hidayat Pawitan Hidayat Pawitan Hidayat Pawitan Hidayat Pawitan Hidayat Pawitan I Nengah Surati Jaya Iin Ichwandi Jamhari Jamhari kartika triasary Kerstin Wiegand Kiki Rishki Ananda Kukuh Murtilaksono Kukuh Murtilaksono Kukuh Murtilaksono La Baco S Laksono Trisnantoro Latief Mahir Rachman Mahendra Harjianto Mariana Lusia Resubun Mariana Lusiana Resubun Marimin . Marisa Dwi Putri Muhamad Buce Saleh Muhammad Yanuar J. Purwanto Muhammad Yanuar Jarwadi Purwanto Naik Sinukaban Naik Sinukaban Naik Sinukaban Naik Sinukaban Najla Anwar Fuadi Naro Pandapotan Pasaribu Nicko Widiatmoko Novia Mustikasari Nurdiyanto Agung Prasetya Nurlaila Mubarokah Nurmaranti Alim Omo Rusdiana Oteng Haridjaja Oteng Haridjaja Pungkas Syahadat Purwanto, Yanuar Jarwadi Reyna Prachmayandini Rikky Mulyawan Rima Purnamayani Rudolf Kristian Tukayo Saiful Akhyar Lubis Santun R.P Sitorus Sarif Robo Selamet Kusdaryanto Setyo Pambudi Nugroho Sudadi, Untung Sudradjat Sudradjat Sunarti Sunarti Suprihatin Suprihatin Surya Cipta Ramadhan Kete Tania June Trihono Kadri Ulfah Sarach Sheftiana Widya Ulfah Utami Yayat Hidayat Yudha Kristanto Yusdinar, Haki Yustika, Rahmah Dewi