Production of new hydroclimatic simulations for southern Quebec using Raven

Webinar | February 2024

Speaker(s)

Édouard Mailhot
MELCCFP
Aida Jabbari
University Laval

Description

This presentation introduces a novel ensemble-based approach to assess the hydrological modeling uncertainty.

Summary

This presentation introduces a novel ensemble-based approach to assess the hydrological modeling uncertainty. Forty-eight variants of HBV-EC (a semi-distributed model with complexity similar to the model used for the development of the Hydroclimatic Atlas of Southern Quebec) were developed to generate hydrological simulations under historical and future climate conditions. The simulations are conducted within the Raven modeling framework. A methodology allowing a fair description of the uncertainty is proposed which is applied over the Saint-Laurent Sud-Ouest (SLSO). The results suggest that uncertainties in meteorological forcing must be properly represented to achieve robust, multi-model ensemble simulations with an appropriate noise level.

Learning objectives

  • Implementation of the Raven hydrological model over SLSO domain

  • Quantifying the hydrological model structure and input data uncertainty of multi model ensembles

Speakers

Édouard Mailhot

Edouard has been a hydroclimatological engineer with the Direction principale de la prévision hydrique et de la cartographie at MELCCFP for the past 5 years. He is coordinator of the Atlas Hydroclimatique du Québec méridional, the next edition of which is scheduled for 2027.

Aida Jabbari

Aida got her PhD in the field of civil engineering - water resources management with a focus on the hydro-meteorological studies and real-time flood forecasting. Currently she is a postdoctoral fellow at Laval university in the field of water engineering working on uncertainty assessment of the hydrological models in Quebec rivers using multi model ensembles.

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