Daily Streamflow and Water Temperature Simulation: Case Study of Pacific Coast (Canada)

The objective of the project is to present how the GEM, GEM-Surf, WATROUTE and RBM models were set up and coupled over the watersheds flowing into Hecate Strait and discuss preliminary results obtained for the period of October 2013– July 2015. The performance of WATROUTE-RBM will be evaluated using observed daily streamflow and water temperature dataset at three gauging stations from three WCOSRR subdomains that they are parts of the watersheds that drain directly into Douglas Channel and Hecate Strait. The impact of using a snow depth analysis to control GEM-Surf model drift will also be evaluated. Along with preliminary results from this modeling system, recommendations for improving the physical process representation in the various models employed will also be presented. The report is organized as follows: Section 2 presents the methodology, study area and characteristics of the datasets that are used for implementing and evaluating the models. The preliminary results of the streamflow and water temperature simulations against observed data are presented in Section 3, and the discussion and conclusion are presented in Section 4.