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A comparative study for water temperature modelling in a small basin, the Fourchue River, Quebec, Canada.

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Kwak, Jaewon; St-Hilaire, André et Chebana, Fateh ORCID logoORCID: https://orcid.org/0000-0002-3329-8179 (2017). A comparative study for water temperature modelling in a small basin, the Fourchue River, Quebec, Canada. Hydrological Sciences Journal , vol. 62 , nº 1. pp. 64-75. DOI: 10.1080/02626667.2016.1174334.

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Résumé

Analysis and forecasting of water temperature are important for water ecological management. The objective of this study is to compare models for water temperature during the summer season for an impounded river. In a case study, we consider hydro-climatic and water temperature data for the Fourchue River (St-Alexandre-de-Kamouraska, Quebec, Canada) between 2011 and 2014. Three different models are applied, which are broadly characterized as deterministic (CEQUEAU), stochastic (Auto-regressive Moving Average with eXogenous variables or ARMAX) and nonlinear (Nonlinear Autoregressive with eXogenous variables or NARX). The efficiency of each model is analysed and compared. The results show that the ARMAX is the best performing water temperature model for the Fourchue River and the CEQUEAU model also simulates water temperature adequately without the overfitting issues that seem to plague the autoregressive models.

Type de document: Article
Mots-clés libres: water temperature; CEQUEAU; ARMAX; NARX; rivière Fourchue
Centre: Centre Eau Terre Environnement
Date de dépôt: 16 juin 2017 18:56
Dernière modification: 21 févr. 2022 17:21
URI: https://espace.inrs.ca/id/eprint/5171

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