Development of a Hydrogeological conceptual model and groundwater modeling for the Selangor basin, Malaysia

Exploitation demand in surface water for various purposes in Malaysia has been gradually increasing. This issue is very concerning as it involve large scale purposes; especially in agricultural activities and industrial purposes. Hence, it is important to acknowledge the need of a sustainable altern...

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Main Author:	Abu Hassan, Nur Hidayu
Format:	Thesis
Language:	English
Published:	2018
Subjects:	Groundwater - Malaysia Hydrogeology
Online Access:	http://psasir.upm.edu.my/id/eprint/76100/1/FK%202018%20168%20IR.pdf
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id	my-upm-ir.76100
record_format	uketd_dc
spelling	my-upm-ir.761002019-12-02T01:51:37Z Development of a Hydrogeological conceptual model and groundwater modeling for the Selangor basin, Malaysia 2018-06 Abu Hassan, Nur Hidayu Exploitation demand in surface water for various purposes in Malaysia has been gradually increasing. This issue is very concerning as it involve large scale purposes; especially in agricultural activities and industrial purposes. Hence, it is important to acknowledge the need of a sustainable alternative water supply. Groundwater as water supply is not common in Malaysia. The lack of research and expertise on groundwater aquifer area has led to minimal usage of groundwater. Despite of the limited data information available, this study intends to develop a groundwater flow model within the interest area. However, to achieve this goal, it is important to determine the geological condition of the study area and develop a proper hydrogeological conceptual model to represent the accurate real world conditions and then do a simulation to observe the natural groundwater pattern. The geological condition was determined by the borehole log lithology, and the applicability of the lithology has been confirmed by the geophysical study. A total of six layers which were silty clay; sand and gravel; sandstone; shale and schist with solid granite underlain the subsurface formation as bedrock. The development of hydrogeological conceptual model requires several model input to be included; hydrological data, meteorological data and necessary boundary conditions. Calibration of conceptual model was made with correlation coefficient 0.975 and normalized RMS with 14.18%. Validation of model cannot be made because it requires two set of data with different time period. However, validation should not be seen as end process but as the entire process involved. Groundwater flow mass balance graph has been determined. Input parameters that effects the flow were constant head, river leakage, recharge and ET. Simulation of groundwater flow model gives water table elevation contour and groundwater flow direction. The movement of groundwater direction can be observed flowing from higher hydraulic gradient (high water table elevation) towards lower hydraulic gradient (low water table elevation). Groundwater - Malaysia Hydrogeology 2018-06 Thesis http://psasir.upm.edu.my/id/eprint/76100/ http://psasir.upm.edu.my/id/eprint/76100/1/FK%202018%20168%20IR.pdf text en public masters Universiti Putra Malaysia Groundwater - Malaysia Hydrogeology
institution	Universiti Putra Malaysia
collection	PSAS Institutional Repository
language	English
topic	Groundwater - Malaysia Hydrogeology
spellingShingle	Groundwater - Malaysia Hydrogeology Abu Hassan, Nur Hidayu Development of a Hydrogeological conceptual model and groundwater modeling for the Selangor basin, Malaysia
description	Exploitation demand in surface water for various purposes in Malaysia has been gradually increasing. This issue is very concerning as it involve large scale purposes; especially in agricultural activities and industrial purposes. Hence, it is important to acknowledge the need of a sustainable alternative water supply. Groundwater as water supply is not common in Malaysia. The lack of research and expertise on groundwater aquifer area has led to minimal usage of groundwater. Despite of the limited data information available, this study intends to develop a groundwater flow model within the interest area. However, to achieve this goal, it is important to determine the geological condition of the study area and develop a proper hydrogeological conceptual model to represent the accurate real world conditions and then do a simulation to observe the natural groundwater pattern. The geological condition was determined by the borehole log lithology, and the applicability of the lithology has been confirmed by the geophysical study. A total of six layers which were silty clay; sand and gravel; sandstone; shale and schist with solid granite underlain the subsurface formation as bedrock. The development of hydrogeological conceptual model requires several model input to be included; hydrological data, meteorological data and necessary boundary conditions. Calibration of conceptual model was made with correlation coefficient 0.975 and normalized RMS with 14.18%. Validation of model cannot be made because it requires two set of data with different time period. However, validation should not be seen as end process but as the entire process involved. Groundwater flow mass balance graph has been determined. Input parameters that effects the flow were constant head, river leakage, recharge and ET. Simulation of groundwater flow model gives water table elevation contour and groundwater flow direction. The movement of groundwater direction can be observed flowing from higher hydraulic gradient (high water table elevation) towards lower hydraulic gradient (low water table elevation).
format	Thesis
qualification_level	Master's degree
author	Abu Hassan, Nur Hidayu
author_facet	Abu Hassan, Nur Hidayu
author_sort	Abu Hassan, Nur Hidayu
title	Development of a Hydrogeological conceptual model and groundwater modeling for the Selangor basin, Malaysia
title_short	Development of a Hydrogeological conceptual model and groundwater modeling for the Selangor basin, Malaysia
title_full	Development of a Hydrogeological conceptual model and groundwater modeling for the Selangor basin, Malaysia
title_fullStr	Development of a Hydrogeological conceptual model and groundwater modeling for the Selangor basin, Malaysia
title_full_unstemmed	Development of a Hydrogeological conceptual model and groundwater modeling for the Selangor basin, Malaysia
title_sort	development of a hydrogeological conceptual model and groundwater modeling for the selangor basin, malaysia
granting_institution	Universiti Putra Malaysia
publishDate	2018
url	http://psasir.upm.edu.my/id/eprint/76100/1/FK%202018%20168%20IR.pdf
_version_	1747813118387421184

Development of a Hydrogeological conceptual model and groundwater modeling for the Selangor basin, Malaysia

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