ASESMEN POTENSI RISIKO BENCANA LONGSOR TEBING SUNGAI WINONGO HILIR
DOI:
https://doi.org/10.32497/wahanats.v29i2.6153Keywords:
The Winongo River, scoring, AHP, multi-disaster, disasterAbstract
The Winongo River is one of the rivers in the Special Region of Yogyakarta, with its
source originating from Mount Merapi. This poses various disaster risks in the
Winongo River, such as flooding, debris flow, and riverbank landslides. This
research focuses on analyzing disaster risks in the downstream area of the Winongo
River, which includes the villages of Sabdodadi, Patalan, Sumbermulyo, Mulyodadi,
Sidomulyo, and Donotirto. Data collection was carried out using cluster sampling
and Geographic Information Systems (GIS) for each village due to the wide area
coverage. The collected data was then analyzed using the Analytical Hierarchy
Process (AHP) method to determine the level of disaster risk. The results of this
study show that the downstream area of the Winongo River has a moderate disaster
risk level for the villages of Sabdodadi, Patalan, Sumbermulyo, and Donotirto, and
a low disaster risk level for the villages of Sidomulyo and Mulyodadi. The capacity
parameter significantly influences the level of disaster risk, and based on the
vulnerability analysis, this is due to the presence of retaining walls on the
riverbanks, which can reduce disaster risks in the Winongo River
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