Research Article
Analysis Of Land Cover Change And Its Impact On Runoff Discharge In Komodo District, West Manggarai Regency
@INPROCEEDINGS{10.4108/eai.11-12-2025.2363106, author={Maria Kalista Hadia Sabu and Pankrasio Yudarsi and Gilirandi M Granaro and Ignasius Y Sehadun}, title={Analysis Of Land Cover Change And Its Impact On Runoff Discharge In Komodo District, West Manggarai Regency}, proceedings={Proceedings of the 5th International Conference on Education, Humanities, Health and Agriculture, ICEHHA 2025, 11-12 December 2025, Ruteng, East Nusa Tenggara, Indonesia}, publisher={EAI}, proceedings_a={ICEHHA}, year={2026}, month={5}, keywords={Land cover change Surface runoff; Runoff discharge Rational Method Komodo District}, doi={10.4108/eai.11-12-2025.2363106} }- Maria Kalista Hadia Sabu
Pankrasio Yudarsi
Gilirandi M Granaro
Ignasius Y Sehadun
Year: 2026
Analysis Of Land Cover Change And Its Impact On Runoff Discharge In Komodo District, West Manggarai Regency
ICEHHA
EAI
DOI: 10.4108/eai.11-12-2025.2363106
Abstract
Land use and land cover (LULC) changes significantly affect surface runoff, especially in data-poor areas. This study analyzes LULC changes and their impacts on runoff coefficients and surface runoff discharge in four selected villages in Komodo District, West Manggarai Regency, using an integrated hydrological and geospatial approach. ESRI land cover and ERA5 rainfall data were used to assess spatial land cover dynamics. Runoff coefficients were estimated using the Hassing method by integrating topography, soil characteristics, and land cover through a GIS-based overlay analysis, while runoff discharge was calculated using the Rational Method. The results indicate that runoff coefficients increased by approximately 0.02–0.09 in the four villages due to land conversion from vegetated areas to built-up areas, increasing peak runoff discharge ranging from 4.7% to 11.43%. These findings highlight the hydrological impacts of rapid land development and provide a scientific basis for local water resource management and sustainable spatial planning.
