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Summer Season Water Temperature Modeling under the Climate Change: Case Study for Fourchue River, Quebec, Canada.

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Kwak, Jaewon; St-Hilaire, André; Chebana, Fateh ORCID logoORCID: https://orcid.org/0000-0002-3329-8179 et Kim, Gilho (2017). Summer Season Water Temperature Modeling under the Climate Change: Case Study for Fourchue River, Quebec, Canada. Water , vol. 9 , nº 5. p. 346. DOI: 10.3390/w9050346.

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Résumé

It is accepted that human-induced climate change is unavoidable and it will have effects on physical, chemical, and biological properties of aquatic habitats. This will be especially important for cold water fishes such as trout. The objective of this study is to simulate water temperature for future periods under the climate change situations. Future water temperature in the Fourchue River (St-Alexandre-de-Kamouraska, QC, Canada) were simulated by the CEQUEAU hydrological and water temperature model, using meteorological inputs from the Coupled Model Intercomparison Project Phase 5 (CMIP5) Global Circulation Models (GCMs) with Representative Concentration Pathway (RCP) 2.6, 4.5 and 8.5 climate change scenarios. The result of the study indicated that water temperature in June will increase 0.2–0.7 °C and that in September, median water temperature could decrease by 0.2–1.1 °C. The rise in summer water temperature may be favorable to brook trout (Salvelinus fontinalis) growth, but several days over the Upper Incipient Lethal Temperature (UILT) are also likely to occur. Therefore, flow regulation procedures, including cold water releases from the Morin dam may have to be considered for the Fourchue River.

Type de document: Article
Mots-clés libres: water temperature; climate change; CEQUEAU
Centre: Centre Eau Terre Environnement
Date de dépôt: 18 oct. 2018 19:42
Dernière modification: 21 févr. 2022 17:22
URI: https://espace.inrs.ca/id/eprint/6475

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