Erosion Hazards in the Tayan Sub-Watershed, West Borneo Province

Leo Pamungkas TRIATMOJO; Mutiara PUTRI; Taufik Luqmanul HAKIM; Melanie Uly Euginia SILABAN; Muh. Rusyaddin M. PUTRA

doi:10.61857/emstdy.v1i1.33

Authors

Leo Pamungkas TRIATMOJO Department of Soil Science and Land Resources, IPB University, Indonesia https://orcid.org/0009-0001-6305-2743
Mutiara Department of Soil Science and Land Resources, IPB University, Indonesia
Taufik Luqmanul HAKIM Department of Soil Science and Land Resources, IPB University, Indonesia
Melanie Uly Euginia SILABAN Department of Soil Science and Land Resources, IPB University, Indonesia
Muh. Rusyaddin M. PUTRA Department of Soil Science and Land Resources, IPB University, Indonesia

DOI:

https://doi.org/10.61857/emstdy.v1i1.33

Keywords:

Environmental Risk, Erosion Hazard, Erosion Prediction, Geographic Information System (GIS), Soil and Water Conservation

Abstract

This research focuses on predicting erosion in the Tayan Sub Watershed, a part of the Kapuas Watershed in the Tayan Hilir District, Sanggau Regency, West Borneo Province. Watersheds play a crucial role in providing quality water, and land changes can lead to watershed damage, particularly concerning erosion. This research utilizes the Universal Soil Loss Equation (USLE) model combined with Geographic Information System (GIS) to predict the distribution of erosion hazard in Sub DAS Tayan. Parameters analyzed in this research include rainfall factors, soil erodibility, slope steepness, and land cover. The results indicate that erosion hazard classes in Sub-DAS Tayan range from low to high. Although most soils have low erodibility, the presence of areas with high erodibility suggests potential erosion risks that need attention. The majority of slopes fall into the flat to moderately steep categories, coupled with the dominance of secondary forest land cover, indicating an environmentally risky condition for future erosion occurrence. This research is expected to assist decision-making regarding soil and water conservation actions in Tayan Sub Watershed.

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