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Journal : tadulako science and technology journal

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Erosion Hazard Class Mapping in Dolago Das, South Parigi Sub-district Rifki Lumalan Manguma; Ida Arianingsih; Misrah; Hasriani; Akhbar
Tadulako Science and Technology Journal Vol. 4 No. 2 (2024): Tadulako Science and Technology Journal
Publisher : LPPM Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/sciencetech.v4i2.17318

Abstract

Introduction: Erosion can be caused by natural activities or human activities. Erosion events that occur naturally do not cause too many problems, but erosion events caused by humans can cause various problems of land damage or degradation and experience an accelerated rate of erosion. The Dolago watershed has an area of ±17,283.09 ha and is a priority watershed that needs attention because several natural disasters such as erosion, landslides, and floods have harmed the community when rainfall increases. Method: Based on the case above, researchers studied the erosion risk class of the Dolago watershed by combining erosion prediction methods, namely USLE and Geographic Information Systems. Erosion hazard class research was carried out in the Dolago watershed for 3 months, from September to November 2022 using the Universal Soil Loss Equation method and Geographic Information System, namely Overlay of several data (erosion determining parameters) to determine the erosion hazard class in the Dolago watershed. Results and Discussion: The results of research using the Geographic Information System and the Universal Soil Loss Equation method show that the amount of eroded soil in the Dolago watershed is 23,888.80 tons/ha/year and the erosion hazard class is divided into 5 classes, namely Class I (very light) erosion rate <15 tons/ha/year with an area of 15,111.55 ha, class II (light) erosion rate 15 - 60 tons/ha/year with an area of 175.52 ha, class III (medium) erosion rate 61 - 180 tons/ha/year with an area of 1,244.87 ha, class IV (heavy) erosion rate 180 - 480 tonnes/ha/year with an area of 491.66 ha and class V (very heavy) erosion rate >480 tonnes/ha/year with an area of 259.49 ha. Conclusion: Combining the geographic information system and the USLE method, five types of erosion hazard classes can be produced, namely class I classified as very light with an area of 15,111.55 ha percentage of 82.81%, class II classified as light with an area of 193.52 ha percentage of 1.12%, class III classified as moderate with an area of 1,815.52 ha percentage of 10.50%, class IV classified as heavy with an area of 682.32 ha percentage of 3.95% and class V classified as very heavy with an area of 279.56 ha percentage of 1.62%.
Co-Authors AAN SETIAWAN Abbar, Habib Muhammad Abd Kahar Abdul Gafur Marzuki Abu, Ardillah Afnil Akbar Akhbar Alfiqran, M. Alihkzan, Dedi Allo, Karmila Pare Altri Wahida Amelia, Yuni Andi Bau Mallarangeng Andi Fausi Adri Anwar Aprianti, Henny Arwati, Sitti Asih, Rahma Yuniartie Asis Nojeng Asriadi, Andi Amran Aulia Az Zahra, Urmila Badaruddin, Sukri Bahri, Muhammad Nurul Dahlia Djungmingin, Sulastriningsih Eka Eka De Patmonsela Liow Ermawati Ersha Susanti Erwing Fatliani, Nurul Febrian, Tiara Felianti Ferdimastiar Firmansyah Fitrayadi, Andi Fransiska Fritilia Halim Usman Hasmawati Helena Hale Hermansyah Hisyam Ihsan HUSAIN, NAILAH Ida Arianingsih Inda Alfiyani Irfan Ashari Hiyahara Islam, Rukmana Fachrul Isnar, Irsandy Johar Amir Jumadi Sahabuddin Karimatun Nisa Khalik, Suhartini Khatima, Khusnul Kose`, Eva La Rangki Liska Madehang MARIA BINTANG Maria Hestiana Marista Alya Teszia Mayong Misrah Muchran, Muchriady Muhammad Idris Hasanuddin Muhammad Saleh Mujahidah MUSTARI Nadila Nasaruddin Nasharuddin Nasir, A.Muhajir Nur Alifah Nur Fahmi Ramadhan Nurfadila Nurlaelah Nurlina R Batalipu, Emi Rahmania Rifki Lumalan Manguma Rina Ronny Hacarmawi Nauf Rony Hacarmawi Nauf Ryan Saddang, Muhammad Safar, Abdul Wahid Sahrani, Nurfitra Saibun Sitorus Salam Sapta Aji, A. Sugeng Saripuddin, Yulia Serliana Sisilia Dua Bura Suardi Zain, Suardi Subakti, Ervin SUHARTO sukmawati Sulfiana Susti Syam, Hijrah Tiara Oktaviani Ulil Amri Ulum, Khoirul Veronika Dua Riong Vinsesnsuis Herianto Ndori Wa Tiani Wahidah Sanusi Wahyu Sakti Gunawan Irianto Wardhana, Nyoman Dedi Kusuma Yeyen Yohanis Marianus Deku Zaina Anwar Zuhdiah, Zuhdiah