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Using Alternate Pumping and Cooperative Game Theory to Reduce Sea Water Intrusion
Nikolaos Nagkoulis1, Konstantinos L Katsifarakis1
1School of Civil Engineering, Faculty of Engineering, Aristotle University of Thessaloniki, 541 24, Thessaloniki, Greece.
Ground Water
|July 8, 2022
Summary
Cooperative alternate pumping strategies can reduce salinity in coastal aquifers. Game theory, using Shapley values, helps distribute benefits and encourages users to adjust pumping schedules, mitigating seawater intrusion.
Area of Science:
- Hydrogeology
- Environmental Engineering
- Game Theory
Background:
- Coastal aquifers face increasing salinity due to seawater intrusion.
- Traditional pumping strategies can exacerbate salinity issues.
- Managing groundwater resources in coastal areas requires innovative approaches.
Purpose of the Study:
- To investigate alternate pumping as a method to reduce salinity in confined coastal aquifers.
- To propose game theory-based strategies for optimizing pumping schedules.
- To assess the effectiveness of cooperative pumping in mitigating seawater intrusion.
Main Methods:
- Flow modeling using SEAWAT for a hypothetical confined coastal aquifer.
- Development of two cooperative game theory strategies with an external compensating player.
- Application of the Shapley value to distribute cooperation benefits among well users.
Main Results:
- Cooperative alternate pumping can effectively reduce salinity concentration in coastal aquifers.
- Two distinct strategies were proposed: protecting critical wells and reducing overall salinity.
- The Shapley value provides a fair mechanism for benefit distribution in cooperative pumping.
Conclusions:
- Cooperative changes in pumping schedules significantly reduce seawater intrusion.
- Game theoretical models are valuable tools for promoting user cooperation in groundwater management.
- The presented methods are applicable to real-world coastal aquifer management.
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