2015
DOI: 10.5194/bg-12-5811-2015
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The role of snow cover affecting boreal-arctic soil freeze–thaw and carbon dynamics

Abstract: Abstract. Northern Hemisphere permafrost affected land areas contain about twice as much carbon as the global atmosphere. This vast carbon pool is vulnerable to accelerated losses through mobilization and decomposition under projected global warming. Satellite data records spanning the past 3 decades indicate widespread reductions (~ 0.8–1.3 days decade−1) in the mean annual snow cover extent and frozen-season duration across the pan-Arctic domain, coincident with regional climate warming trends. How the soil … Show more

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Cited by 56 publications
(80 citation statements)
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References 65 publications
(140 reference statements)
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“…The model simulations were conducted using a detailed soil process model (Rawlins et al, 2013;Yi et al, 2015) primarily driven by global satellite observation records including land surface "skin" temperature (LST), SCE, and surface to root zone (≤ 1 m depth) soil moisture (SM). The soil process model defines up to 23 distinct soil layers down to 60 m below surface.…”
Section: The Modeling Frameworkmentioning
confidence: 99%
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“…The model simulations were conducted using a detailed soil process model (Rawlins et al, 2013;Yi et al, 2015) primarily driven by global satellite observation records including land surface "skin" temperature (LST), SCE, and surface to root zone (≤ 1 m depth) soil moisture (SM). The soil process model defines up to 23 distinct soil layers down to 60 m below surface.…”
Section: The Modeling Frameworkmentioning
confidence: 99%
“…The model also accounts for the impacts of SOC content on soil thermal properties. The model was successfully applied to the pan-Arctic region for mapping permafrost extent and active layer dynamics, but at a relatively coarse (∼ 25 km) spatial resolution (Yi et al, 2015). In the previous study, global coarse-resolution (∼ 0.5 • ) reanalysis data, including surface air temperature and precipitation, were used as primary model inputs; the model soil thermal properties were regulated by soil moisture content simulated by a water balance model coupled with the soil thermal model (Rawlins et al, 2013).…”
Section: The Modeling Frameworkmentioning
confidence: 99%
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