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DOI	10.5194/tc-11-3023-2017
	How much should we believe correlations between Arctic cyclones and sea ice extent?
	Rae J.G.L.; Todd A.D.; Blockley E.W.; Ridley J.K.
发表日期	2017
ISSN	19940416
卷号	11 期号:6
英文摘要	This paper presents an investigation of the robustness of correlations between characteristics of Arctic summer cyclones and September Arctic sea ice extent. A cyclone identification and tracking algorithm is run for output from 100-year coupled climate model simulations at two resolutions and for 30 years of reanalysis data, using two different tracking variables (mean sea-level pressure, MSLP; and 850 hPa vorticity) for identification of the cyclones. The influence of the tracking variable, the spatial resolution of the model, and spatial and temporal sampling on the correlations is then explored. We conclude that the correlations obtained depend on all of these factors and that care should be taken when interpreting the results of such analyses. Previous studies of this type have used around 30 years of reanalysis and observational data, analysed with a single tracking variable. Our results therefore cast some doubt on the conclusions drawn in those studies. © Author(s) 2017. This work is distributed under the Creative Commons Attribution 4.0 License.
学科领域	algorithm; climate modeling; correlation; cyclone; identification method; sampling; sea ice; spatial resolution; tracking; Arctic
语种	英语
scopus关键词	algorithm; climate modeling; correlation; cyclone; identification method; sampling; sea ice; spatial resolution; tracking; Arctic
来源期刊	Cryosphere
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/119284
作者单位	Met Office, FitzRoy Road, Exeter, EX1 3PB, United Kingdom; College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, EX4 4QF, United Kingdom
推荐引用方式 GB/T 7714	Rae J.G.L.,Todd A.D.,Blockley E.W.,et al. How much should we believe correlations between Arctic cyclones and sea ice extent?[J],2017,11(6).
APA	Rae J.G.L.,Todd A.D.,Blockley E.W.,&Ridley J.K..(2017).How much should we believe correlations between Arctic cyclones and sea ice extent?.Cryosphere,11(6).
MLA	Rae J.G.L.,et al."How much should we believe correlations between Arctic cyclones and sea ice extent?".Cryosphere 11.6(2017).