Articles | Volume 22, issue 11
https://doi.org/10.5194/hess-22-5711-2018
https://doi.org/10.5194/hess-22-5711-2018
Research article
 | 
05 Nov 2018
Research article |  | 05 Nov 2018

Assimilation of passive microwave AMSR-2 satellite observations in a snowpack evolution model over northeastern Canada

Fanny Larue, Alain Royer, Danielle De Sève, Alexandre Roy, and Emmanuel Cosme

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Latest update: 19 Feb 2024
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Short summary
A data assimilation scheme was developed to improve snow water equivalent (SWE) simulations by updating meteorological forcings and snowpack states using passive microwave satellite observations. A chain of models was first calibrated to simulate satellite observations over northeastern Canada. The assimilation was then validated over 12 stations where daily SWE measurements were acquired during 4 winters (2012–2016). The overall SWE bias is reduced by 68 % compared to original SWE simulations.