Acknowledgements
This Special Issue has brought together an expert team of authors and reviewers with different backgrounds from research institutions, academe and private industry, who contributed many diverse and uniquely valuable viewpoints on the central theme of groundwater. All these contributors are sincerely thanked for their hard work. This project was supported by the Groundwater Geoscience Program, Geological Survey of Canada, Natural Resources Canada, and the Water Institute, University of Waterloo. The abstracts were translated by the Translation Bureau, Public Works and Government Services Canada. The expert technical review of the French abstracts by Nicolas Benoit is much appreciated.