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Journal : Global Forest Journal

The Drought disaster mitigation efforts based on water catchment potential in Samosir Island Rumahorbo, Novita Sari; Slamet, Bejo; Anggraini, Novita
Global Forest Journal Vol. 3 No. 01 (2025): Global Forest Journal
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/gfj.v3i01.15593

Abstract

Samosir Island is part of the upstream area of the Asahan Toba watershed. Samosir Island is often hit by drought, making getting water from rainwater and groundwater difficult. One critical information needed for drought mitigation is the spatial distribution of the potential of water catchment areas. This study analyses the spatial distribution of the potential of water catchment areas and mitigation efforts. The parameters are soil type, rainfall, land use, and slope. Spatial analysis was conducted using a Geographic Information System (GIS) with scoring and overlay techniques. The results showed that the potential of water catchment areas in Samosir Island was categorized into four classes: natural normal covering of 2.77 hectares (0.004%), starting to be critical of 8,808.001 hectares (13.647%), somewhat critical of 48,000.327 hectares (74.369%), and critical of 7,732.647 hectares (11.980%). Drought mitigation in Samosir Island related to the distribution of the potential of water catchment areas is by maintaining vegetation, planting trees and understoreys, repairing terrace boundaries, building Rainwater Harvesting Installations, and creating biopores.
Co-Authors 2087-2090, Fuji Asema Abdillah, Manda Rizky Abdul Hadi Kadarusno, Abdul Hadi Abdul Rahim Agus Suwarni Ajul, Keristina Akbar, Muhammad Syawal Ambarita, Winda Lestari Anis Prabowo, Anis Anita Handayani Anita Zaitunah Anita, Theresia Arif Qaedi Hutagalung Arinah, Hafizah Arini, Larasuci Asep Maulana, Asep Atip Nurwahyunani, Atip Aulia Rahman Bafany, Faradila Tasya Bejo Slamet Bejo Slamet Cupasindi, Dyah Ayu Rahmawati Cupasindy, Dyah Ayu Rahmawati Dajoreyta, Geovanny Lea Dandung Novianto Devi Zettyara Dewi Novina Sukapiring, Dewi Novina Dimas, Muhammad Dwi Arman Prasetya Efrida Pima Sari Tambunan Eka, Muhammad Eny Faridah Eny Faridah Eryadi, Ridha Adjie fari, aniska indah Ferel Ferdy Juan Purnomo Fidyahwati, Nurriya Maghfirah Fitriyadi, Mohammad Nur Haiti, Margareta Handayani, Sri Hanif, Muhammad Fauzan Ghaulam Hanum Isfaeni Harry Pribadi Fitrian Hartono, Rudi Helik Susilo Ihtiar, Ade Indah Ria Riskiyah, Indah Ria Indaryati, Sri Irmawati Irmawati Ismayadi, Ismayadi Iwan RISNASARI Jatu, Radhia Kartika Manalu Kartika Kirana, Sukma Ayu Candra Lilik Pranata Lubis, Novitasari Ramadhani Ma'suq, Ahmad Tarajjil Maghfiroh, Rofila El Mamok Andri Senubekti Marjono Marjono Martince Novianti Bani Maulina Pia Wulandari Meutia Nauly Moch. Sholeh, Moch. Muhammad Afif Muhammad Bangun Siregar Muhammad Tri Aditya Muhdi Muhdi N Amin, Haliza Najikhah, Salma Nathalia Rosiana, Firda Nelly Anna Noor Amirudin Nugrananda Janattaka Nuraeni, Maria Nurlela, Lela Nurliana NURLIANA NURLIANA Nurliana Nurliana O K Hasnanda Syahputra Oding affandi Oding Affandi OK Hasnanda Syahputra Oktaviana, Tri Mulyani Pribadi Fitrian, Harry Purba, Mhd Adanan Purwoko, Agus Putra, Dimas Ade Permana Putri Amalia, Ananda Putri Y, Larasati Putri, Intan Novita Dwi R S Dewi, Endah Rachmat Kriyantono Rahardianto, Trias Rahardion, Aqil Raharjo, Bobby Asukmajaya Rahmawati Cupasindy, Dyah Ayu Rahmawaty Rahmawaty Rahmi Utami Ramadani Ramadani Ratna Komala, Ratna Ridhoi Meilona Purba Ridwanti Batubara Ritha F Dalimunthe Rizqi, Maulidyah Amalina Rumahorbo, Novita Sari S Sholechah, Faila Salwa, Shabila Nula Samsuri Samsuri, Samsuri Santoso, Wilbert Sapto Indrioko Sapto Indrioko Saraswati, Zitha Hertina Sari Ginting, Makhrani Sari, Nur Laily Lupita Sari, Yasmine Anggia Siti Latifah Sri Fajar Ayu Srimiyati Subrata, Jaka Sukarya, Robby Rohman Sumardi . Supriadi Supriadi Surani, Vincencius Suri, Ghea Paulina Suryati, Irsa’ Suselo Utoyo, Suselo Syahputra, OK Hasnanda Syahputra, Orang Kaya Hasnanda Syamsul Anam Sylva Sagita Tanaka, Michael Tata Sutabri TITIN DEWI SARTIKA SILABAN Trimono, Trimono Verawati, Maria Warjio Warjio, Warjio Widjaya, Reza Widodo Hariyono Windahandayani, Veroneka Yosefha Windahandayani, Veroneka Yosefpa Yehezkiel Septian Yoganata Yuniar Wardani Zakkiyah, Maulia Yasminah