Optimization of water quality monitoring networks using metaheuristic approaches: Moscow region use case

Elizaveta Yudina, Anna Petrovskaia, Dmitrii Shadrin, Polina Tregubova, Elizaveta Chernova, Mariia Pukalchik, Ivan Oseledets

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Currently many countries are struggling to rationalize water quality monitoring stations which is caused by economic demand. Though this process is essential indeed, the exact elements of the system to be optimized without a subsequent quality and accuracy loss still remain obscure. Therefore, accurate historical data on groundwater pollution is required to detect and monitor considerable environmental impacts. To collect such data appropriate sampling and assessment methodologies with an optimum spatial distribution augmented should be exploited. Thus, the configuration of water monitoring sampling points and the number of the points required are now considered as a fundamental optimization challenge. The paper offers and tests metaheuristic approaches for optimization of monitoring procedure and multi-factors assessment of water quality in “New Moscow” area. It is shown that the considered algorithms allow us to reduce the size of the training sample set, so that the number of points for monitoring water quality in the area can be halved. Moreover, reducing the dataset size improved the quality of prediction by 20%. The obtained results convincingly demonstrate that the proposed algorithms dramatically decrease the total cost of analysis without dampening the quality of monitoring and could be recommended for optimization purposes.

Original languageEnglish
Article number888
JournalWater (Switzerland)
Volume13
Issue number7
DOIs
Publication statusPublished - 1 Apr 2021

Keywords

  • Genetic algorithm
  • Groundwater
  • Variable neighborhood search
  • Water quality index
  • Water quality network optimization

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