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DOI10.1175/JCLI-D-15-0233.1
The Impact of Incongruous Lake Temperatures on Regional Climate Extremes Downscaled from the CMIP5 Archive Using the WRF Model
Spero, Tanya L.1; Nolte, Christopher G.1; Bowden, Jared H.2; Mallard, Megan S.2; Herwehe, Jerold A.1
发表日期2016
ISSN0894-8755
卷号29期号:2页码:839-853
英文摘要

The impact of incongruous lake temperatures is demonstrated using the Weather Research and Forecasting (WRF) Model to downscale global climate fields. Unrealistic lake temperatures prescribed by the default WRF configuration cause obvious biases near the lakes and also affect predicted extremes hundreds of kilometers from the lakes, especially during winter. Using these default temperatures for the Great Lakes in winter creates a thermally induced wave in the modeled monthly average sea level pressure field, which reaches southern Florida. Differences of more than 0.5 K in monthly average daily maximum 2-m temperature occur along that wave during winter. Noteworthy changes to temperature variability, precipitation, and mesoscale circulation also occur when the default method is used for downscaling. Consequently, improperly setting lake temperatures for downscaling could result in misinterpreting changes in regional climate and adversely affect applications reliant on downscaled data, even in areas remote from the lakes.


英文关键词Circulation;Dynamics;Lake effects;Stationary waves;Physical Meteorology and Climatology;Mass fluxes;transport;Models and modeling;Climate models;Mesoscale models;Regional models
语种英语
WOS记录号WOS:000368639900002
来源期刊JOURNAL OF CLIMATE
来源机构美国环保署
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/58457
作者单位1.US EPA, Natl Exposure Res Lab, Res Triangle Pk, NC 27711 USA;
2.Univ N Carolina, Inst Environm, Chapel Hill, NC USA
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GB/T 7714
Spero, Tanya L.,Nolte, Christopher G.,Bowden, Jared H.,et al. The Impact of Incongruous Lake Temperatures on Regional Climate Extremes Downscaled from the CMIP5 Archive Using the WRF Model[J]. 美国环保署,2016,29(2):839-853.
APA Spero, Tanya L.,Nolte, Christopher G.,Bowden, Jared H.,Mallard, Megan S.,&Herwehe, Jerold A..(2016).The Impact of Incongruous Lake Temperatures on Regional Climate Extremes Downscaled from the CMIP5 Archive Using the WRF Model.JOURNAL OF CLIMATE,29(2),839-853.
MLA Spero, Tanya L.,et al."The Impact of Incongruous Lake Temperatures on Regional Climate Extremes Downscaled from the CMIP5 Archive Using the WRF Model".JOURNAL OF CLIMATE 29.2(2016):839-853.
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