2016
DOI: 10.1007/s00382-016-3130-7
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The Alpine snow-albedo feedback in regional climate models

Abstract: 2099 (multi-model mean in spring: 0.26 °C) or 0 and 14 % (multi-model mean in spring: 8 %) is obtained for models showing a realistic SAF. These numbers represent a wellfunded but only approximate estimate of the SAF contribution to future warming, and a remaining contribution of model-specific SAF misrepresentations cannot be ruled out.Keywords Snow-albedo feedback • European Alps • Regional climate models • ENSEMBLES • Climate change

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Cited by 43 publications
(27 citation statements)
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References 35 publications
(52 reference statements)
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“…While factors (1) to (4) can explain parts of the elevation dependency of temperature changes in individual seasons and individual parts of the European continent, the most prominent influence was found for factor (5), suggesting an important contribution of the snow‐albedo feedback. This is in line with previous modelling studies (Giorgi et al , ; Fyfe and Flato, ; Winter, ) and can to some extent also be derived from near‐surface temperature records (Ceppi et al , ; Scherrer et al , ).…”
Section: Climate Scenariossupporting
confidence: 92%
“…While factors (1) to (4) can explain parts of the elevation dependency of temperature changes in individual seasons and individual parts of the European continent, the most prominent influence was found for factor (5), suggesting an important contribution of the snow‐albedo feedback. This is in line with previous modelling studies (Giorgi et al , ; Fyfe and Flato, ; Winter, ) and can to some extent also be derived from near‐surface temperature records (Ceppi et al , ; Scherrer et al , ).…”
Section: Climate Scenariossupporting
confidence: 92%
“…Other recent work focused on the European Alps has attempted to quantify the SAF using station observations [ Scherrer et al , ] and a suite of RCMs with 25 km horizontal grids [ Winter et al , ]. Results show large variability in SAF strength between RCMs and a substantial overestimate of springtime SAF strength relative to observations in several RCMs [ Winter et al , ]. However, the key uncertainties of this study include the following: limitations of the observational SAF estimates used, which are based on a handful of station observations, and the uncertain applicability of these results to higher‐resolution RCM simulations.…”
Section: Introductionmentioning
confidence: 76%
“…Since their study only considered a relatively small region and a single year, the generality of the results is unknown. Other recent work focused on the European Alps has attempted to quantify the SAF using station observations [ Scherrer et al , ] and a suite of RCMs with 25 km horizontal grids [ Winter et al , ]. Results show large variability in SAF strength between RCMs and a substantial overestimate of springtime SAF strength relative to observations in several RCMs [ Winter et al , ].…”
Section: Introductionmentioning
confidence: 97%
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“…The spatial distribution of snow on the ground is of paramount importance in cold regions. Changes in patterns of snow accumulation strongly influence global climate systems [D ery and Yau, 2002;Barnett et al, 2008;Callaghan et al, 2011], local climatology [Terzago et al, 2014;Euskirchen et al, 2016;Winter et al, 2017], as well as the rate and timing of snowmelt [Luce et al, 1998;Nolin, 2012;Ellis et al, 2013]. Understanding the physical processes of snow accumulation is important to hydrologists since predictions and forecasts can be made regarding water availability from snow [Maurer, 2007;Haddeland et al, 2011;Fang et al, 2013;Guan et al, 2013] and shifts in climate [Marks et al, 1998;L opez-Moreno et al, 2014;Rasouli et al, 2014;L opez-Moreno et al, 2016].…”
Section: Introductionmentioning
confidence: 99%