Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2019JD031261 |
Impact of Lake Surface Temperature Variations on Lake Effect Snow Over the Great Lakes Region | |
Shi, Qi1; Xue, Pengfei1,2 | |
2019-12-04 | |
发表期刊 | JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
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ISSN | 2169-897X |
EISSN | 2169-8996 |
出版年 | 2019 |
文章类型 | Article;Early Access |
语种 | 英语 |
国家 | USA |
英文摘要 | A high-resolution three-dimensional Weather Research and Forecasting (WRF) model is used to investigate the coupled impact of lake surface temperature (LST) and surface wind on the lake effect snow (LES) over the Great Lakes region. A set of twin WRF simulations, with and without resolving LST spatial variations in the model's surface boundary condition, is performed to quantify the impact of LST variation on LES. Both observations and model results reveal a positive correlation between the downwind LST gradient and surface wind convergence over the Great Lakes region. Furthermore, model simulations show that resolving the spatial variation of LST increases the surface wind convergence, correspondingly enhances local vertical motions in the atmospheric boundary layer, and creates favorable conditions for the LES formation on the lee sides of the Great Lakes. The contribution of LST spatial variations to the increase in precipitation on the lee sides of the lakes varies between 5% and 30% in individual LES events. The increase in the winter-mean snow water equivalent due to LST spatial variations is between 3% and 15%. The most significant impact of LST variation on the winter-mean snow water equivalent is on the lee side of Lake Huron. |
英文关键词 | Lake Effect Snow Great Lakes Lake Surface Temperature Wind Divergence Air-Lake Coupled Dynamics |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000500403900001 |
WOS关键词 | SATELLITE MEASUREMENTS ; EFFECT SNOWSTORMS ; BOUNDARY-LAYER ; WIND STRESS ; ICE COVER ; SIMULATION ; FRONTS ; FLUXES ; BASIN |
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/225840 |
专题 | 环境与发展全球科技态势 |
作者单位 | 1.Michigan Technol Univ, Great Lakes Res Ctr, Houghton, MI 49931 USA; 2.Michigan Technol Univ, Dept Civil & Environm Engn, Houghton, MI 49931 USA |
推荐引用方式 GB/T 7714 | Shi, Qi,Xue, Pengfei. Impact of Lake Surface Temperature Variations on Lake Effect Snow Over the Great Lakes Region[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2019. |
APA | Shi, Qi,&Xue, Pengfei.(2019).Impact of Lake Surface Temperature Variations on Lake Effect Snow Over the Great Lakes Region.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES. |
MLA | Shi, Qi,et al."Impact of Lake Surface Temperature Variations on Lake Effect Snow Over the Great Lakes Region".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES (2019). |
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