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  3. What is the Trade-Off between Snowpack Stratification and Simulated Snow Water Equivalent in a Physically-Based Snow Model?
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What is the Trade-Off between Snowpack Stratification and Simulated Snow Water Equivalent in a Physically-Based Snow Model?

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Type de ressource
Article de revue
Auteurs/contributeurs
  • Augas, Julien (Auteur)
  • Abbasnezhadi, Kian (Auteur)
  • Rousseau, Alain N. (Auteur)
  • Baraer, Michel (Auteur)
Titre
What is the Trade-Off between Snowpack Stratification and Simulated Snow Water Equivalent in a Physically-Based Snow Model?
Résumé
In Nordic watersheds, estimation of the dynamics of snow water equivalent (SWE) represents a major step toward a satisfactory modeling of the annual hydrograph. For a multilayer, physically-based snow model like MASiN (Modèle Autonome de Simulation de la Neige), the number of modeled snow layers can affect the accuracy of the simulated SWE. The objective of this study was to identify the maximum number of snow layers (MNSL) that would define the trade-off between snowpack stratification and SWE modeling accuracy. Results indicated that decreasing the MNSL reduced the SWE modeling accuracy since the thermal energy balance and the mass balance were less accurately resolved by the model. Nevertheless, from a performance standpoint, SWE modeling can be accurate enough with a MNSL of two (2), with a substantial performance drop for a MNSL value of around nine (9). Additionally, the linear correlation between the values of the calibrated parameters and the MNSL indicated that reducing the latter in MASiN increased the fresh snow density and the settlement coefficient, while the maximum radiation coefficient decreased. In this case, MASiN favored the melting process, and thus the homogenization of snow layers occurred from the top layers of the snowpack in the modeling algorithm.
Publication
Water
Volume
12
Numéro
12
Pages
3449
Date
2020-12-08
Abrév. de revue
Water
Langue
en
DOI
10.3390/w12123449
ISSN
2073-4441
URL
https://www.mdpi.com/2073-4441/12/12/3449
Consulté le
2024-06-24 00 h 38
Catalogue de bibl.
DOI.org (Crossref)
Autorisations
https://creativecommons.org/licenses/by/4.0/
Référence
Augas, J., Abbasnezhadi, K., Rousseau, A. N., & Baraer, M. (2020). What is the Trade-Off between Snowpack Stratification and Simulated Snow Water Equivalent in a Physically-Based Snow Model? Water, 12(12), 3449. https://doi.org/10.3390/w12123449
Membres du RIISQ
  • Baraer, Michael
  • Rousseau, Alain
Types d'événements extrêmes
  • Évènements liés au froid (neige, glace)
Lien vers cette notice
https://bibliographies.uqam.ca/riisq/bibliographie/2IVGB5QS

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