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Träfflista för sökning "WFRF:(Ingvander Susanne) srt2:(2015)"

Sökning: WFRF:(Ingvander Susanne) > (2015)

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1.
  • Johansson, Cecilia, 1974-, et al. (författare)
  • A model for the snow water equivalent derived from stratigraphy observations in northern Sweden
  • 2015
  • Ingår i: Hydrology Research. - : IWA Publishing. - 1998-9563 .- 0029-1277 .- 2224-7955. ; 46:6, s. 984-995
  • Tidskriftsartikel (refereegranskat)abstract
    • A new parameterization of snow water equivalent (SWE) based on snow depth (HS)has been developed from observations made in northern Sweden. When applyingprevious SWE parameterization from the Alps on observations from northern Sweden,the SWE values are systematically 20% lower. The new SWE parameterization isderived from a snow layer density regression model using snow layer hardness andsnow particle size. The model was evaluated with a detailed field reference dataset,and then applied to the long term Abisko Scientific Research Station stratigraphicsnowpack dataset. The model enables a regional adjustment of snow layer densityvalues for northern Swedish conditions. The snow layer density model provides anaccurate estimation of snow bulk density used to derive the SWE parameterizationbased solely on HS. Snow depth observations are regularly made on a daily basis; byapplying our new parameterization, daily values of SWE can be obtained for northernScandinavian conditions, which e.g. can be used for hydropower production planningand risk assessments.
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2.
  • Rasmus, Sirpa, et al. (författare)
  • Recent Change - Terrestrial Cryosphere
  • 2015
  • Ingår i: Second Assessment of Climate Change for the Baltic Sea Basin. - Cham : Springer. - 9783319160054 - 9783319160061 ; , s. 117-129
  • Bokkapitel (refereegranskat)abstract
    • This chapter compiles and assesses information on recent and current change within the terrestrial cryosphere of the Baltic Sea drainage basin. Findings are based on long-term observations. Snow cover extent (SCE), duration and amount have shown a widespread decrease although there is large interannual and regional variation. Few data are available on changes in snow structural properties. There is no evidence for a recent change in the frequency or severity of snow-related extreme events. There has been a decrease in glacier coverage in Sweden and glacier ice thickness in inland Scandinavia. The European permafrost is warming, and there has been a northward retreat of the southern boundary of near-surface permafrost in European Russia.
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