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| Created: | Apr 13, 2023 at 2:16 p.m. | |
| Last updated: | Apr 13, 2023 at 2:17 p.m. | |
| Citation: | See how to cite this resource |
| Sharing Status: | Public |
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| Views: | 466 |
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Abstract
The paper aims at evaluating the interaction between ground and surface water along the Langat River in Malaysia through the development of a numerical simulation. Malaysia has been experiencing a rapid economic growth since the last few decades, driven by many factors such as agriculture, industry, and the like. The demand for water in these sectors has increased so tremendously that surface water has been utilized in conjunction to groundwater. Approximately 18,184 m(3) of water per day is obtained from the aquifer to supply to the steel factory. There are also workshops, petroleum stations, and houses in the area thus causing the water quantity and quality to degrade. In terms of quantity, the pumping activity has altered the interaction between the groundwater and surface water. Therefore, a numerical model was proposed and two aquifer layers were simulated, with the first layer being approximately > 20 m in depth and the second layer > 100 m. The recharge estimated from the tank model was input into the groundwater modeling. The effects of the surface water to the aquifer were included in the simulation by defining the river conductance, river bed, and river level. The calibrated model (error about 0.9 m) was achieved and applied to predict the flow pattern in its natural state without the pumping and with the pumping states. As a result, in the first scenario, the stream was in an effluent condition influenced by the groundwater from the northeast to the west. A hyporheic flow occurred and was observed from the contour map. The flow system was changed in the second scenario when the pumping activity was included in the simulation. The groundwater lost its original function but received leakage from the stream near the pumping sites. The findings of this study will help the local authorities and other researchers to understand the aquifer system in the area and assist in the preparation of a sustainable groundwater management.
Subject Keywords
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Spatial
Content
Additional Metadata
| Name | Value |
|---|---|
| DOI | 10.1007/s12665-013-2527-4 |
| Depth | 100 meters |
| Scale | 101 - 1 000 km² |
| Layers | 2 |
| Purpose | Groundwater resources |
| GroMoPo_ID | 2026 |
| IsVerified | True |
| Model Code | GMS |
| Model Link | https://doi.org/10.1007/s12665-013-2527-4 |
| Model Time | SS |
| Model Year | 2014 |
| Creator Email | sachawruzzante@gmail.com |
| Model Country | Malaysia |
| Data Available | Report/paper only |
| Developer Email | kh.raksmey@gmail.com; nur_2501@yahoo.com |
| Dominant Geology | Unconsolidated sediments |
| Developer Country | Malaysia |
| Publication Title | Numerical simulation of the effect of heavy groundwater abstraction on groundwater-surface water interaction in Langat Basin, Selangor, Malaysia |
| Original Developer | No |
| Additional Information | N/A |
| Integration or Coupling | None of the above |
| Evaluation or Calibration | Static water levels |
| Geologic Data Availability | N/A |
How to Cite
This resource is shared under the Creative Commons Attribution CC BY.
http://creativecommons.org/licenses/by/4.0/
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