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Water plays an essential role in all areas of life: health, nature, urbanization, energy, food, economic development, and more. Climate change has and will continue to have an impact on the availability, quality, and use of water.
In this context, it is critically important to manage our water resources efficiently. To do so, we need to gather, model, analyze, and leverage our data on surface water and groundwater levels and quality. A number of hydrological indicators and water resource management tools enable us to better manage water flow to avoid floods and maintain sufficient water levels in dry periods to keep aquatic ecosystems healthy.
Hydroclimatic Atlas of Southern Québec (PDF). This atlas, which is now in its second edition, illustrates the impact of climate change on water flow in southern Québec based on extensive, detailed, robust hydrological modelling. It gives us a better understanding of the effects of climate change on water resources and is a fundamental tool that enables those working in this field to take climate change into account when managing these invaluable resources.
Adapting the management of public dams. Ministère du Développement durable, de l’Environnement et de la Lutte contre les changements climatiques is currently developing decision-making tools to help adapt the criteria used to manage public dams in light of expected fluctuations in the water regime due to climate change. The objective is to ensure the safety of dams, people, and property, while meeting the needs of dam users.