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Journal : Gema Wiralodra

Soil erosion management using The Soil and Water Assessment Tool (SWAT) model in Semantok Watershed Kurniawati, Oktavia Triana; Sisinggih, Dian; Dermawan, Very
Gema Wiralodra Vol. 15 No. 1 (2024): Gema Wiralodra
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/gw.v15i1.592

Abstract

The land use characteristics in the Semantok watershed have a significant impact on the reservoir's usable age. According to the land use patterns, including teak woods, rice fields, moorlands, dry fields, and residential areas, the Semantok watershed has the capacity to carry sediment when it rains. One of the models to analyze surface runoff and sediment is the Soil and Water Assessment Tool (SWAT). SWAT was developed to predict the impact of land management practices on water, sediment and agricultural chemical yields in large complex watersheds with varying soils, land use and management conditions over long periods of time. The purpose of this research is to quantify the amount of erosion and sedimentation that results from land use changes in the Semantok watershed in 2015 and 2021 and to determine management scenarios that can reduce the value of erosion and sedimentation that can implemented upstream of the Semantok dam using SWAT. The data used for the research are climatology data, DEM map, landuse map, and river data. The amount of erosion at the Semantok watershed outlet increased from 7.00 mm/year in 2015 to 14.18 mm/year in 2021. Based on Forestry Ministerial Regulation No. P.61/Menhut-II/2014, the Semantok watershed's carrying capacity is 3.95 falling into the pretty bad category (3.5 < DDD < 4.3). Three scenarios were compared in order to carry out control efforts: revegetation, check dams, and combining revegetation and check dams. The most efficient way to reduce erosion by up to 30.51% is to combine revegetation and check dam.
Co-Authors Abdillah, Rusdan Adiputra, Dhimas Satibi Andre Primantyo Andre Primantyo Hendrawan Andriyani, Setinda Eka Aniek Masrevaniah Arief Satria M. Atika , Yumna Azmi, Muhammad Haikal Bayu Rahayudi Berlian, Ramadhan Sangsang Danang Bimo Irianto Delivean Rakha Dermawan Dhitaisma, Elsya Donny Harisuseno Dwi Priyantoro Dwiprayogo, Bayu Elroy Koyari Ery Suhartanto Evi Nur Cahya Fachrudin, Faruq Abdurrahman Fatian, Ceryl Amin Hakim, Anita Maulidiyah Rahma Hari Prasetijo Hariyanto, Andri Kwin Hariyoni Hariyoni Heri Suprijanto Hidayah, Tita Ikrar Hanggara, Ikrar Iskandar Iskandar Ivan Dwi P K., Anggraeni Dwi Kurniawati, Oktavia Triana Lake, Tania C. M. Lily Montarcih Limantara Linda Prasetyorini M. Amar Sajali M. Bisri Mahardhika, Tatag Tata Mahyaya M. Rahman Maulina, Chatherine Grace Moh. Sholichin Mohammad Bisri Muhammad Bisri Munfarid, Munfarid Noverdo, Rolanda Nugraha, Apria Wayah Patra Surya Nurwijayanti Palupi, Gema Anggun Pitojo Tri Juwono Prasetyo, Wibi Bagus Puguh Wahyudi, Puguh Purnomo, Yehezkiel Christian Putri, Dea Anggara Putu Ratih Wijayanti Qadri S, Wahyuddin Rahmadani, Siska Rahman, Kurdianto Idi Ramadian, Favian Giffary Rastanto, Ridho Nur Aziz Rayhan, Nabil Resti Ambarsari, Diyah Rifai, A Rini Wahyu Sayekti Riyadi, Bagus Riyanto Haribowo Roosydi, Yayan Ishad Runi Asmaranto Saifuddin Zuhri, Muhammad Iqbal Sebastian, Bintang Shadra, Ken Haidar Siregar, Jeremi Ishak Sorey, Teddy Dolfie Sri Wahyuni Sri Wahyuni Sugiarto S Sulianto Sulianto Sumiadi Sumiadi, Sumiadi Suwanto Marsudi Syaelendra, M. Sina Syaiful Anam Ussy Andawayanti Very Dermawan Wahyu Prasetyo Wayan Andi Frederich Gunawan Widodo, Ibnu Sam Widyaningrum, Aprilia Willy Kriswardhana Yudo Tri Kuncoro Yusril Fatrah Zulkanzi, Achmad Kamili