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Dergiler / International Journal of Engineering and Geosciences / 2022 / Cilt: 7 - Sayı: 1

3D city model for monitoring flash flood risks in Salalah, Oman

Khalid Al KALBANİ
Alias Abdul RAHMAN
Sayfa
17–23
Yayın Tarihi
2022-10-19
DOI
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⚡ TL;DR(1 Cümlede Hızlı Çıkarım)

It was also revealed that establishing a 3D city model based on the CityGML standard requires homogenised definitions and standards for city objects (surface and subsurface) as well as hydrological data.

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Amaç & Hipotez:This paper investigates the issues and challenges in using a 3D city model for monitoring flash flood risks in Salalah (Oman) designed using the City Geography Markup Language (CityGML) standards version 2.0.
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Temel Bulgular & Veri:The investigation was made based on the fact that 2D and 2.5D GIS solutions cannot analyse flood complex problems inside the urban area.
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Sonuç & Katkı:It was also revealed that establishing a 3D city model based on the CityGML standard requires homogenised definitions and standards for city objects (surface and subsurface) as well as hydrological data.
🔬Tür:Modelleme & Sayısal Simülasyon
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Flood risk management · 3D city model · CityGML

Abstract

This paper investigates the issues and challenges in using a 3D city model for monitoring flash flood risks in Salalah (Oman) designed using the City Geography Markup Language (CityGML) standards version 2.0. The investigation was made based on the fact that 2D and 2.5D GIS solutions cannot analyse flood complex problems inside the urban area. Hence, the study sought to reduce time and effort for the decision-makers by proposing a 3D city model for flood risk management. The study used geospatial tools and databases such as ArcGIS, Watershed Modelling System (WMS), FME, PostgreSQL-PostGIS, and 3D City Database (3DCityDB) to generate the 3D model and to test the capability of establishing a unified geospatial data structure including the 3D city objects, hydrological data, and geological data. The findings showed the importance of addressing flood risks data and arranging it in the 3D geodatabase. It was also revealed that establishing a 3D city model based on the CityGML standard requires homogenised definitions and standards for city objects (surface and subsurface) as well as hydrological data.

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Bu Makaleye Atıf Yap

KALBANİ, K. A., RAHMAN, A. A. (2022). 3D city model for monitoring flash flood risks in Salalah, Oman. International Journal of Engineering and Geosciences, Cilt: 7 - Sayı: 1, 17–23. https://ajindex.com/articles/540661

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Kaynakça (9)

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  2. Al Kalbani, K., Abdul Rahman, A., 2019. Integration Between Surface and Subsurface Spatial Objects for Developing Oman 3D SDI Based on the CityGML Standard. Int. Arch. Photogramm. Remote Sens. Spat. Inf. Sci. XLII-4/W16, 79–84. https://doi.org/10.5194/isprs-archives-XLII-4-W16-79-2019
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