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Flood Hazard Mitigation at Tarusan Watershed, South Pesisir District, West Sumatera Province Umar, Iswandi; Triyatno
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 14 No 1 (2024): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.14.1.101-108

Abstract

Floods are the most common natural disasters in Indonesia and have enormous potential. This study aims to determine the flood hazard zone and regional arrangement in the Tarusan Watershed, South Pesisir Regency. To determine the flood hazard zone using the GIS approach. The indicators used to determine flood hazard are slope, rainfall, soil type, landform, geology, and land use. Determine the direction of regional arrangement with an Interpretative Structural Modeling (ISM) approach. The results showed that the high flood hazard zone in the Tarusan watershed is about 22% of the total area, the medium index is around 58%, and the low flood hazard index is 20%. The high - hazard zone of flood disasters in the study area is caused by high rainfall and topographic conditions of the Tarusan Watershed. The main priority in the management of flood - hazard areas in the Tarusan Watershed is to find economic alternatives to reduce forest destruction. Increasing the economic value of the community can lead to reduced community activities in carrying out land conversion, especially in forest areas.
Arahan Kebijakan Untuk Mengurangi Dinamika Penggunaan Lahan pada DAS Antokan, Provinsi Sumatera Barat Umar, Iswandi
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 11 No 1 (2021): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.11.1.10-18

Abstract

The need for land has increased every year, and this increase is caused by the rate of population growth, resulting in changes in land use. Uncontrolled land use conversion has led to catastrophic flooding in the Antokan watershed. The purpose of this study was to determine the direction of land use change policies in the Antokan Watershed, West Sumatra Province. To determine land use change using the GIS method with the overlay technique of land use maps for the period 2000-2020. Furthermore, to determine the policy direction using the ISM method involving 20 experts. Research results in the Antokan watershed have shown changes in land use of 4,178 hectares during the 2000-2020 period. Changes occur in forest areas, mixed gardens, shrubs, and rice fields which have decreased, on the other hand, settlements, plantations and open land have expanded. Furthermore, there are two sub-elements that are the priority for policy direction to reduce the rate of land use change, namely making regulations and firm sanctions on land use errors (E3) and consistency in enforcing land use laws (E4).
Co-Authors Agung Prayitno Akbarullah Aldi, Rahmad Aldri Frinaldi Ali Amran Alifa Putri, Dian Ayu Lestari Amini, Aisyah Andrian Andrian Annur, Latifa ANWAR, AZHARIL NAUFAL Aprizon Putra Ardin, Dea Silvia Arif Rahman Hakim Arif Setiawan Arif, Rahman Aswin, Zeus Marullah Azzahra, Nabila Barlin, Eri Catri, Indra Dasman Lanin Dedi Hermon DEFITA, NILA RAHMAD Dian Adhetya Arif Didik Taryana Dilla, Fadilla dion, nofrion Endah Purwaningsih Eni Kamal Eri Barlian Erianjoni Erianjoni Fadila Fardilla, Midratul Fauzan, Muhammad Irsyad Fitra.R, Muhammad Afif Fitri, Marisa Meliana Fitri, Reno Aidil Giofandi, Eggy Arya Gusman , Mulya Hadi, Shopian Hari Asri, Hazqan Haryeni Heldi Heldi Heldi, Heldi Hidayat S, Syaiful Ikrar Jamika, Fadel Indang Dewata Indriana Indriana, Indriana Jamika, Fadel Ikrar Jelibseda Jelibseda, Jelibseda Latuconsina, Fachrul Mandasari, Wiwik Riana Mandeli, Riso Sari Meuraksa, Irawati Monica, Fitrya Muchtar, Bustari Muhammad Fajri Muhayatul, Muhayatul Mulya Gusman Nevy Sandra Novita, Tila NUR EFENDI Nurlaeli Rachmawati Koerniawan, Rina Oktavia, Elfitri Paus Iskarni Pratama, Reski Putra, Surya Eka Rachrin, Rachma Deli Rahayu, Youngky Gerre Rahmadani Siregar, Dewi Rembrandt, Rembrandt Rery Novio Rinaldi Rinaldi Salsabila, Ilham Sandi Perdani, Agung Sekarrini, Cipta Putri Siti Fatimah Suhendrinal Sukaesih, Iis Syafardi, Zulhendra Syafri Anwar Syafri, Rifki Randa Syah, Nur Hasan Syamsul Bachri Syawal, Habib Muhammad Triyatno Umar, Genius Wulandari, Diana Wulandari, Silviani Yaumal Arbi Zaim, Ryanda Luthfi Zuhrita, Anissa Zuldani, Irwan