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Two-Meter Temperature and Precipitation from Atmospheric Reanalysis Evaluated for Alaska

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Rick Lader, Uma S. Bhatt, John E. Walsh, T. Scott Rupp, and Peter A. Bieniek, Two-Meter Temperature and Precipitation from Atmospheric Reanalysis Evaluated for Alaska: .

Summary

Alaska is experiencing effects of global climate change that are due, in large part, to the positive feedback mechanisms associated with polar amplification. The major risk factors include loss of sea ice and glaciers, thawing permafrost, increased wildfires, and ocean acidification. Reanalyses, integral to understanding mechanisms of Alaska’s past climate and to helping to calibrate modeling efforts, are based on the output of weather forecast models that assimilate observations. This study evaluates temperature and precipitation from five reanalyses at monthly and daily time scales for the period 1979–2009. Monthly data are evaluated spatially at grid points and for six climate zones in Alaska. In addition, daily maximum temperature, [...]

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  • Alaska CASC
  • National and Regional Climate Adaptation Science Centers

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journalJournal of Applied Meteorology and Climatology
parts
typedoi
value10.1175/JAMC-D-15-0162.1

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