reference : Trend reversal in Lake Michigan contribution to snowfall

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Bibliographic fields
reftype Journal Article
Abstract One of the most notable ways the Laurentian Great Lakes impact the region’s climate is by augmenting snowfall in downwind locations during autumn and winter months. Among many negative consequences, this surplus of snow can cause substantial property damage to homes and can escalate the number of traffic accident–related injuries and fatalities. The consensus among several previous studies is that lake-effect snowfall increased during the twentieth century in various locations in the Great Lakes region. The goal of this study is to better understand variability and long-term trends in Lake Michigan’s lake-contribution snowfall (LCS). LCS accounts for both lake-effect and lake-enhanced events. In addition, this study updates findings from previous investigations using snowfall observations found by a recent study to be appropriate for climate studies. It is demonstrated that considerable variability exists in 5-yr periods of LCS east and south of Lake Michigan from 1920 to 2005. A general increase in LCS from the early 1920s to the 1950–80 period at locations typically downwind of the lake was found. Thereafter, LCS decreased through the early 2000s, indicating a distinct trend reversal that is not reported by earlier studies. The reasons for this reversal are unclear. The reversal is consistent with observed increasing minimum temperatures during winter months after the 1970s, however.
Author Luke Bard; David A. R. Kristovich
DOI 10.1175/jamc-d-12-064.1
Issue 11
Journal Journal of Applied Meteorology and Climatology
Keywords Lake effects,Climate change,Climate variability,Mesoscale systems
Pages 2038-2046
Title Trend reversal in Lake Michigan contribution to snowfall
Volume 51
Year 2012
Bibliographic identifiers
.reference_type 0
_record_number 20527
_uuid 7763e923-279a-4052-ad90-8fd7ca845791