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DOI | 10.1002/joc.5093 |
Synoptic climatology of lake-effect snowfall conditions in the eastern Great Lakes region | |
Suriano, Zachary J.; Leathers, Daniel J. | |
2017-10-01 | |
发表期刊 | INTERNATIONAL JOURNAL OF CLIMATOLOGY
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ISSN | 0899-8418 |
EISSN | 1097-0088 |
出版年 | 2017 |
卷号 | 37期号:12 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | The characteristics of overlying synoptic conditions play an important role in the production of lake-effect snowfall within the Great Lakes region of North America. With a synoptic climatological approach, the synoptic-scale patterns conducive to lake-effect snowfall are identified for the eastern Great Lakes region during the November-March seasons of 1950-2009. Seven synoptic types identified as lake effect are combined with daily snowfall observations to examine the role of individual synoptic types on seasonal snowfall. The types exhibit a wide range of surface and 850 hPa temperatures and winds, sea-level pressures, snowfall intensities, and inter-annual frequencies. These factors result in substantial differences in the location and magnitude of seasonal lake-effect snowfall. Recent research has revealed that snowfall within portions of the Great Lakes region subject to lake-effect snow has undergone a trend reversal, declining in recent decades. Examining the inter-annual frequency of the seven lake-effect synoptic types, a majority of types increased in frequency prior to 1980, before becoming less frequent thereafter. The variability in frequency of lake-effect synoptic types can partially be explained by relationships to large-scale atmospheric and oceanic modes of variability. The majority of lake-effect synoptic types occur in association with an upper-level trough over the eastern United States. This trough is consistent with the upper-level pattern associated with a negative phase Arctic Oscillation (AO) and North Atlantic Oscillation (NAO), or positive Pacific/North American pattern (PNA), such that when the AO, NAO, and/or PNA pattern are in those respective phases, there is a significant increase in the frequency of lake-effect synoptic types. |
英文关键词 | synoptic classification lake effect AO NAO Lake Erie Lake Ontario |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000412095400012 |
WOS关键词 | UNITED-STATES ; NORTH-AMERICA ; EFFECT SNOWSTORMS ; ICE COVER ; GEOPOTENTIAL HEIGHT ; WINTER SEVERITY ; CLIMATIC-CHANGE ; WEATHER TYPES ; NEW-YORK ; TEMPERATURE |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/37477 |
专题 | 气候变化 |
作者单位 | Univ Delaware, Dept Geog, Newark, DE USA |
推荐引用方式 GB/T 7714 | Suriano, Zachary J.,Leathers, Daniel J.. Synoptic climatology of lake-effect snowfall conditions in the eastern Great Lakes region[J]. INTERNATIONAL JOURNAL OF CLIMATOLOGY,2017,37(12). |
APA | Suriano, Zachary J.,&Leathers, Daniel J..(2017).Synoptic climatology of lake-effect snowfall conditions in the eastern Great Lakes region.INTERNATIONAL JOURNAL OF CLIMATOLOGY,37(12). |
MLA | Suriano, Zachary J.,et al."Synoptic climatology of lake-effect snowfall conditions in the eastern Great Lakes region".INTERNATIONAL JOURNAL OF CLIMATOLOGY 37.12(2017). |
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