Historical trends in lake and river ice cover in the northern hemisphere

  title={Historical trends in lake and river ice cover in the northern hemisphere},
  author={Magnuson and Robertson and Benson and Wynne and Livingstone and Arai and Assel and Barry and Card and Kuusisto and Granin and Prowse and Stewart and Vuglinski},
  volume={289 5485},
Freeze and breakup dates of ice on lakes and rivers provide consistent evidence of later freezing and earlier breakup around the Northern Hemisphere from 1846 to 1995. Over these 150 years, changes in freeze dates averaged 5.8 days per 100 years later, and changes in breakup dates averaged 6.5 days per 100 years earlier; these translate to increasing air temperatures of about 1.2 degrees C per 100 years. Interannual variability in both freeze and breakup dates has increased since 1950. A few… 

Recent trends in Canadian lake ice cover

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Paleolimnological evidence from some Arctic lakes suggests that longer ice-free seasons have been experienced since the beginning of the nineteenth century. It has been inferred from some additional

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Climate warming shortens ice durations and alters freeze and break-up patterns in Swedish water bodies

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Records of freezeup and breakup dates for Grand Traverse Bay, Michigan, and Lake Mendota, Wisconsin, are among the longest ice records available near the Great Lakes, beginning in 185 1 and 1855,

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Historical ice records, such as freeze and breakup dates and the total duration of ice cover, can be used as a quantitative indicator of climatic change if long homogeneous records exist and if the

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Ice breakup dates from 1968 to 1988 were examined for 20 Wisconsin lakes to determine whether consistent interannual and long-term changes exist. Each ice record had a trend toward earlier breakup


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The calendar date of ice break-up on Lej da San Murezzan, a high-altitude (1768 m a.s.l.) lake in the Swiss Alps, has been recorded uninterruptedly since 1832. Based on this record and on shorter,

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Remotely sensed ice breakup dates for 62 lakes on the Laurentian Shield were analyzed to preliminarily assess determinants of the mean breakup date and to identify determinants of temporal coherence

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CLIMATE models suggest that increases in greenhouse-gas concentrations in the atmosphere should have produced a larger global mean warming than has been observed in recent decades, unless the climate