Impact of intercepted and sub-canopy snow microstructure on snowpack response to rain-on-snow events under a boreal canopy
Abstract = = = 0.79), its performance declines when it comes to simulating snowpack stratigraphy, as it fails to reproduce many of the observed melt–freeze layers. To correct for this, we implemented a densification function of the intercepted snow in the canopy module of SNOWPACK. This new feature allows the model to reproduce 33 % more of the observed melt–freeze layers that are induced by rain-on-snow events. This new model development also delays and reduces the snowpack runoff. In fact, it triggers the unloading of dense snow layers with small rounded grains, which in turn produces fine-over-coarse transitions that limit percolation and favour refreezing. Our results suggest that the boreal vegetation modulates the sub-canopy snowpack structure and runoff from rain-on-snow events. Overall, this study highlights the need for canopy snow property measurements to improve hydrological models in forested snow-covered regions.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Impact of intercepted and sub-canopy snow microstructure on snowpack response to rain-on-snow events under a boreal canopy ; volume:18 ; number:6 ; year:2024 ; pages:2783-2807 ; extent:25
The Cryosphere ; 18, Heft 6 (2024), 2783-2807 (gesamt 25)
- Urheber
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Bouchard, Benjamin
Nadeau, Daniel F.
Domine, Florent
Wever, Nander
Michel, Adrien
Lehning, Michael
Isabelle, Pierre-Erik
- DOI
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10.5194/tc-18-2783-2024
- URN
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urn:nbn:de:101:1-2408051601588.085473238984
- Rechteinformation
-
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
- 14.08.2025, 08:57 UTC
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Beteiligte
- Bouchard, Benjamin
- Nadeau, Daniel F.
- Domine, Florent
- Wever, Nander
- Michel, Adrien
- Lehning, Michael
- Isabelle, Pierre-Erik
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