A systematic review of machine learning in groundwater monitoring

Publication Date

8-1-2025

Document Type

Article

Publication Title

Environmental Modelling and Software

Volume

192

DOI

10.1016/j.envsoft.2025.106549

Abstract

With increasing concerns about water scarcity, groundwater has become crucial since this resource provides most of the freshwater needs. However, various human and natural activities often contaminate the groundwater, making it unsuitable for use. Over the years, scientists and engineers have used many methods to predict and track groundwater contamination as part of environmental monitoring. Consequently, there is an urgent need for improved methods, particularly in the face of increasing contamination. Machine learning has sometimes been used to monitor groundwater, air quality, and climate. Traditional methods must be improved due to the complexity and large amount of environmental data. This includes using hybrid models that combine traditional and new techniques. Despite the use of machine learning in many scientific areas, there is a lack of comprehensive reviews focusing on its use in environmental monitoring, especially groundwater monitoring. We aim to fill this gap by exploring machine-learning applications in groundwater monitoring. We discuss relevant methods, their limitations, and future potential. We summarize research on automating data processing and model training using groundwater sensor data. Our research underscores the transformative potential of machine learning to revolutionize long-term groundwater monitoring and contamination detection, providing valuable insights for future research and practical applications.

Funding Number

658893

Funding Sponsor

Savannah River National Laboratory

Keywords

AI/ML, Artificial intelligence, Feature engineering, Groundwater contamination, Groundwater/environment monitoring, Machine learning

Department

Electrical Engineering

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