Simulation of coupled transfer processes affecting water quantity and quality in natural environments

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The objective of this research project is to develop and improve tools and methods for the management of our water resources. The motivation comes from the need to achieve a sustainable use of water resources, in particular groundwater, for the benefit of the Canadian population as well as ecosystems. The objective of the sustainable use of groundwater is the prevention of its depletion and its contamination. Another objective is that the use of groundwater must maintain the integrity of ecosystems because groundwater flow into streams and rivers is vital to maintain baseflow and directly affects aquatic ecosystems. To reach the objective of sustainable use of water, computer models must be developed to simulate as accurately as possible the water cycle at the scale of a watershed. This research project will improve the current capabilities of these models by representing more rigorously the exchange of groundwater and surface water in streams, by adding sedimentation processes into an integrated hydrologic model. The capabilities of the model will be unique and not found in any other existing model. The research project will thus generate a unique computer model that will help increase our understanding of the interaction between surface water and groundwater and will help in better managing water resources. One tangible outcome of the project will be the transfer of knowledge, including the availability of the models developed, for other scientists and professionals that are responsible for water management. In addition to the scientific aspects, a key objective of this proposal is to train highly qualified personnel in the fundamental and applied aspects of water resources. To reach this objective, it is proposed to train 3 Master and 3 Doctoral students during the project. Once they graduate, these students will be highly-trained professionals with the advanced skills required to address pressing issues in water resources. The training they will receive during their studies will allow them to work in academia, government or industry, and contribute to the sound management of our water resources.