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Arctic Report Card 2021: Terrestrial Snow Cover
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2021
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Description:Many components of the Arctic land surface are directly influenced by snow cover from autumn through spring, including the surface energy budget (Flanner et al. 2011), ground thermal regime (with implications on the carbon cycle; Natali et al. 2019), permafrost (Walvoord and Kurylyk 2016), and terrestrial and freshwater ecosystems (Bokhorst et al. 2016). Even following the snow cover season, the influence of spring snow melt timing persists through impacts on river discharge timing and magnitude, surface water, soil moisture, vegetation phenology, and fire risk (Meredith et al. 2019). The assessment provided here is based on multiple datasets derived from satellite observations and snowpack models driven by atmospheric reanalyses. Collectively, this approach provides a reliable picture of Arctic snow cover variability over the last five decades.
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Rights Information:CC0 Public Domain
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Compliance:Submitted
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