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Mapping Subsurface Karstic Terrain and Geohazard Assessment at Ipoh, Perak

Mapping Subsurface Karstic Terrain and Geohazard Assessment at Ipoh, Perak

 

  Project Leader

  Dr. Mohammed I. I. Abu-Shariah

  Senior Lecturer

  Department of Geology

  50603 Kuala Lumpur, Malaysia

  Tel: 603-79674156

  mohammed.shariah @um.edu.my

 

  Members

  Dr. Samsudin Taib

  Assoc. Prof. Dr. Ismail Yusoff

  Dr. Ros Fatihah Muhammad

 



Affiliate Members

Mrs. Sawsan Kamel Shariah

Dr. Omar Al-Kouri

 

Research Output

ISI publication: 2

Scopus publication: 1

Final Year Project: 4 (Ongoing)

 

Research Background

Limestone in Malaysia exhibits a wide range of solutional features, where fifteen percentage of the Malaysia bedrocks formation has limestone or other soluble rock at or near the surface. The alluvial plains on which several of the major urban centers have been built commonly have limestone bedrock at varying depths of superficial cover. Generally, the limestone bedrock topography has complex phenomena and highly relief subsurface topography with pinnacles bedrocks, cutters or grikes, overhangs, and limestone cliffs. These buried features have caused variety of geohazard problems. A combination of two or more methods generally yields extra information that assisst to reduce the ambiguity inherent in mapping subsurface area of karstic limestone terrain. Therefore, this research will provide database, and 2D and 3D digital maps to obtain subsurface karstic features by using several techniques to accomplish the research’s objectives.

 

Research Objectives

·   To assess the geohazards of buried karstic limestone as bedrock

·   To detect the problematic zone of a developed limestone areas

·   To develop 3D digital terrain model (DTM)

·   To delineate 3D geological engineering map of subsurface karstic terrain

·   To develop Karstic features database for risk management.

 

Research Methodology

A single technique does not have the ability to provide sufficient interpretation for risk assessment in areas of buried karstic limestone. In this research, subsurface features of the buried karstic limestone will be used to delineate by using several techniques such as site investigation, boreholes, geophysics, GIS and remote sensing in order to achieve research’s objectives.

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