3DKL v1.0: creating the first 3D geological model of Kuala Lumpur

Dobbs, Marcus R.; Rosle, Qalam A’zad; Ahmad, Dalila; Burke, Helen F.; Dahlan, M.E.; Enggihon, J.; Haslam, R.B.; Jacob, N.; Lawrie, K.; Leslie, A.G.; Mickey, A.C.; Noh, M.R.M.; Omar, S.; Smith, N.A.; Thorpe, S.. 2023 3DKL v1.0: creating the first 3D geological model of Kuala Lumpur. Bulletin of the Geological Society of Malaysia, 76. 3-25.

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The objective of UN Sustainable Development Goal 11 is to make cities and human settlements inclusive, safe, resilient and sustainable. Geoscience can play a significant role in achieving targets within this goal by developing a better understanding of geological properties and processes within urban environments, and by ensuring that this understanding is integrated into urban development. A key step in this process will be enhancing awareness of urban geology among non-geoscience decision-makers, so that inherent subsurface risks and benefits are understood and accounted for during all phases of development. Three-dimensional geological models are an effective tool for geologists to communicate with stakeholders in government and industry during that process. They can also provide a framework to enable geological data and information to be integrated into Building and City Information Models, and thus facilitate more effective infrastructure and utility asset management. This paper describes the modelling workflow adopted by a consortium of geoscientists from government, industry and academia to deliver the first 3D geological model of Kuala Lumpur – 3DKL v1.0. The modelling workflow involved: digitising borehole logs from site investigation reports and storing them in a dedicated geospatially-enabled SQLite borehole database; viewing and interpreting that borehole data using QGIS software; generating multiple orthogonally oriented cross-section profiles across the modelled area using Groundhog Desktop software; and integrating the information derived from the interpreted boreholes, surface data and cross-section profiles to generate a 3D geological model in Leapfrog Geo software. 3DKL v1.0 has demonstrated proof-of-concept: we have developed a workflow, based largely on freely-available software, for transforming borehole information, previously captured in paper records, into a conceptual 3D model. The modelling process has also identified areas where geological knowledge and data need to be enhanced if 3DKL is to fulfil its potential to support more sustainable and resilient urban development in Kuala Lumpur.

Item Type: Publication - Article
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ISSN: 01266187
Date made live: 19 Jan 2024 15:37 +0 (UTC)

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