气候变化领域集成服务门户(CCPortal): Assessing Past and future Hazardous freezing Rain and wet snow Events in Manitoba, Canada Using a pseudo-global warming approach

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DOI	10.1016/j.atmosres.2021.105656
	Assessing Past and future Hazardous freezing Rain and wet snow Events in Manitoba, Canada Using a pseudo-global warming approach
	Tropea B.; Stewart R.
发表日期	2021
ISSN	0169-8095
卷号	259
英文摘要	Freezing precipitation, in the form of freezing rain, freezing drizzle, and/or wet snow, can damage transportation networks, infrastructure, and vegetation. Ten events with freezing precipitation (including freezing rain and wet snow) over the province of Manitoba, Canada were examined using surface observational datasets, reanalysis products and 4-km resolution Weather Research and Forecasting (WRF) products that were both a retrospective control (CTRL) simulation as well as a pseudo-global warming (PGW) simulation. All events tracked to the south and/or east of Manitoba and most (8 of 10) events were associated with a consistent large scale pattern of extratropical cyclone with 500 hPa trough, low surface pressure center nearby, and an atmospheric river. Local factors, such as the 400 m elevated terrain of Riding Mountain, influenced 2 events mainly by altering surface temperature to be favorable for freezing precipitation. These events in the PGW simulation occurred 40–120 km farther north on average, with freezing rain generally being enhanced and wet snow generally being reduced, although wet snow was introduced into events which originally only had freezing rain. This study further showed that power lines aligned west to east, perpendicular to the strongest winds, are most susceptible to the consequences of icing and accretion within the current climate as well as the thermodynamically forced future one. © 2021
英文关键词	Freezing precipitation; Freezing rain; Icing; Power lines; Pseudo-global warming; Wet snow
来源期刊	Atmospheric Research
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/236707
作者单位	Department of Environment and Geography, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
推荐引用方式 GB/T 7714	Tropea B.,Stewart R.. Assessing Past and future Hazardous freezing Rain and wet snow Events in Manitoba, Canada Using a pseudo-global warming approach[J],2021,259.
APA	Tropea B.,&Stewart R..(2021).Assessing Past and future Hazardous freezing Rain and wet snow Events in Manitoba, Canada Using a pseudo-global warming approach.Atmospheric Research,259.
MLA	Tropea B.,et al."Assessing Past and future Hazardous freezing Rain and wet snow Events in Manitoba, Canada Using a pseudo-global warming approach".Atmospheric Research 259(2021).