Time series of freeze-up and break-up dates from selected Northern Hemisphere lakes and rivers, 1846–1995

Time series of freeze-up and break-up dates from selected Northern Hemisphere lakes and rivers, 1846–1995

Limited by the availability of detailed observations, most historical evaluations of changes in freshwater ice have focused on relatively simple characteristics, such as the timing of autumn freeze up and spring break up, and maximum ice-cover thickness. Based on 27 long-term (about 150-year) records from around the Northern Hemisphere, Magnuson and others discovered that freeze…

  • Produced by:
    Hugo Ahlenius, UNEP/GRID-Arendal
  • Year:
    01/12/2016

Time series of freeze-up and break-up dates from selected Northern Hemisphere lakes and rivers, 1846–1995

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