Journal
INTERNATIONAL JOURNAL OF CLIMATOLOGY
Volume 22, Issue 15, Pages 1819-1827Publisher
JOHN WILEY & SONS LTD
DOI: 10.1002/joc.857
Keywords
lake ice-out dates; lake ice break-up; New England; trend analysis; temperature; climate change; Mann-Kendall; LOESS
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Various studies have shown that changes over time in spring ice-out dates can be used as indicators of climate change. Ice-out dates from 29 lakes in New England (USA) with 64 to 163 ears of record were assembled and analysed for this study. Ice-out dates have become significantly earlier in New England since the 1800s. Changes in ice-out dates between 1850 and 2000 were 9 days and 16 days in the northern/mountainous. and southern regions of New England respectively. The changes in the ice-out data over time were very consistent within each of the two regions of New England, and more consistent than four air-temperature records in each region. The ice-out dates of the two regions had a different response to changes in air temperature. The inferred late winter-early spring air-temperature warming in both regions of New, England since 1850. based on linear regression analysis. was about 1.5 C. Published in 2002 by John Wiley Sons, Ltd.
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