Multiple effects of changes in arctic snow cover

Terry V. Callaghan, Margareta Johansson, Ross D. Brown, Pavel Ya Groisman, Niklas Labba, Vladimir Radionov, Raymond S. Bradley, Sylvie Blangy, Olga N. Bulygina, Torben R. Christensen, Jonathan E. Colman, Richard L.H. Essery, Bruce C. Forbes, Mads C. Forchhammer, Vladimir N. Golubev, Richard E. Honrath, Glenn P. Juday, Anna V. Meshcherskaya, Gareth K. Phoenix, John PomeroyArja Rautio, David A. Robinson, Niels M. Schmidt, Mark C. Serreze, Vladimir P. Shevchenko, Alexander I. Shiklomanov, Andrey B. Shmakin, Peter Skol̈d, Matthew Sturm, Ming Ko Woo, Eric F. Wood

Research output: Contribution to journalArticle

90 Scopus citations

Abstract

Snow cover plays a major role in the climate, hydrological and ecological systems of the Arctic and other regions through its influence on the surface energy balance (e.g. reflectivity), water balance (e.g. water storage and release), thermal regimes (e.g. insulation), vegetation and trace gas fluxes. Feedbacks to the climate system have global consequences. The livelihoods and well-being of Arctic residents and many services for the wider population depend on snow conditions so changes have important consequences. Already, changing snow conditions, particularly reduced summer soil moisture, winter thaw events and rain-on-snow conditions have negatively affected commercial forestry, reindeer herding, some wild animal populations and vegetation. Reductions in snow cover are also adversely impacting indigenous peoples' access to traditional foods with negative impacts on human health and well-being. However, there are likely to be some benefits from a changing Arctic snow regime such as more even run-off from melting snow that favours hydropower operations.

Original languageEnglish (US)
Pages (from-to)32-45
Number of pages14
JournalAMBIO
Volume40
Issue numberSUPPL. 1
DOIs
StatePublished - Dec 2011

All Science Journal Classification (ASJC) codes

  • Geography, Planning and Development
  • Environmental Chemistry
  • Ecology

Keywords

  • Albedo
  • Arctic
  • Biogeochemical cycling
  • Climate
  • Ecology
  • Forestry
  • Geochemical processes
  • Human health
  • Hydrology
  • Indigenous cultures
  • Infrastructure
  • Snow
  • Tourism

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