Analysis of Weight of Evidence (WOE) and Weighted Overlay (WO) Methods for Mapping Landslide Potential in East Lombok Regency, West Nusa Tenggara Province

Authors

  • Mohamad Heru Afriandi Akbar Universitas Mataram
  • Didi Supriadi Agustawijaya Universitas Mataram
  • Hartana Hartana Universitas Mataram

DOI:

https://doi.org/10.55324/ijoms.v4i10.1156

Keywords:

Weight of Evidence (WoE), Weighted Overlay (WO) Geographic Information System (GIS), Operating Characteristic (ROC), Area Under Curve (AUC)

Abstract

Penelitian ini bertujuan untuk menganalisis kehandalan metode Weight of Evidence (WoE) (1) dan metode Weighted Overlay (WO) (2) dalam mengevaluasi potensi longsor di Kabupaten Lombok Timur, Provinsi Nusa Tenggara Barat. Pendekatan dilakukan melalui pemanfaatan Sistem Informasi Geografis (GIS) (3) dan data spasial untuk menghasilkan peta zona kerentanan gerakan tanah. Data yang digunakan mencakup parameter-parameter fisik seperti curah hujan, jenis tanah, tutupan lahan, kemiringan lereng, jenis batuan/litologi, dan data kejadian longsor yang dikumpulkan dari instansi terkait serta hasil interpretasi citra satelit. Pengolahan data dilakukan menggunakan metode Weight of Evidence (WoE) dan Weighted Overlay (WO). Validasi model dilakukan menggunakan teknik Receiver Operating Characteristic (ROC) (4) dengan perhitungan Area Under Curve (AUC) (5). Penelitian ini menghasilkan empat kelas kerentanan: sangat rendah, rendah, menengah, dan tinggi. 

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Published

2025-07-21

Issue

Vol. 4 No. 10 (2025): Indonesian Journal of Multidisciplinary Science

Section

Articles

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Copyright (c) 2025 Mohamad Heru Afriandi Akbar, Didi Supriadi Agustawijaya, Hartana Hartana

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