NDLI: Optimal distribution of groundwater monitoring wells near the river barrages of the 4MRRP using a numerical model and topographic analysis

Content Provider	Springer Nature Link
Author	Kim, Gyoo Bum
Copyright Year	2014
Abstract	The aim of the Four Major Rivers Restoration Project (4MRRP) was to mitigate flood damage by controlling surface water levels via the construction of large barrages along the main rivers of South Korea. The increase in surface water levels behind such barrages can lead to a rise in groundwater levels upstream, which may increase the likelihood of flooding after heavy rainfall or during non-pumping periods. A total of 900 groundwater monitoring sites, comprising 446 automatic and 454 manual stations, are proposed on the low-lying plains alongside the rivers based upon the following criteria: groundwater flow directions, topography (determined using GIS analysis), the desire for equal spacing of monitoring wells, economic efficiency, field accessibility, and cost. A numerical model (MODFLOW) is used to estimate future groundwater flow directions and the area likely to be affected by a rise in surface water levels after barrage construction. Since 2011, 137 automatic monitoring wells have been constructed, and recent time series data show that groundwater levels are closely linked to surface water levels, and increased rapidly for the first 1–2 years after barrage construction. Groundwater monitoring wells will be essential for assessing the depth to groundwater, forecasting the extent of any potential flooding, and developing countermeasures such as drainage system.
Starting Page	5497
Ending Page	5511
Page Count	15
File Format	PDF
ISSN	18666280
Journal	Environmental Earth Sciences
Volume Number	73
Issue Number	9
e-ISSN	18666299
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-10-31
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Monitoring well distribution Barrage Flooding Water level Numerical model Geology Hydrology/Water Resources Geochemistry Environmental Science and Engineering Terrestrial Pollution Biogeosciences
Content Type	Text
Resource Type	Article
Subject	Global and Planetary Change Earth-Surface Processes Soil Science Environmental Chemistry Pollution Geology Water Science and Technology

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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