Aplikasi Pemodelan 3D untuk Memprediksi Daerah Rawan Banjir: Studi Kasus Kampus Universitas Indonesia di Depok

Ella Whidayanti

doi:10.69606/geography.v3i2.215

Authors

Ella Whidayanti Department of Geography, Faculty of Mathematics and Natural Sciences, Universitas Indonesia, Depok, Indonesia

DOI:

https://doi.org/10.69606/geography.v3i2.215

Keywords:

3D modelling, flood, Universitas Indonesia

Abstract

A 3D Modelling is a process of generating three-dimensional objects that can be presented in visual form. Geographic Information Systems (GIS) play a crucial role in modelling hydrological phenomena, including floods. Flooding can significantly impact infrastructure and community activities, including those at the Universitas Indonesia (UI) Depok Campus. GIS-based 3D modelling serves as an effective method for analyzing and predicting potential flood risk areas. This study aims to create a 3D model to visualize flood-prone areas within the UI Depok Campus. It processes Digital Elevation Model (DEM) and Triangulated Irregular Network (TIN) data as the foundation for 3D flood inundation. The model simulates water overflow based on extreme rainfall scenarios and drainage capacity. Results indicate that certain areas within the UI Depok Campus, particularly in the north, are highly prone to flooding during heavy rainfall. These impacts can be mitigated through the design of effective mitigation strategies, the development of adaptive infrastructure, and the formulation of responsive, data-driven policies.

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