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DOI | 10.1175/JCLI-D-18-0216.1 |
Arctic Summer Airmass Transformation, Surface Inversions, and the Surface Energy Budget | |
Tjernstrom, Michael1,2,3; Shupe, Matthew D.4,5; Brooks, Ian M.6; Achtert, Peggy6,7; Prytherch, John1,2; Sedlar, Joseph1,2,5 | |
2019-02-01 | |
发表期刊 | JOURNAL OF CLIMATE
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ISSN | 0894-8755 |
EISSN | 1520-0442 |
出版年 | 2019 |
卷号 | 32期号:3页码:769-789 |
文章类型 | Article |
语种 | 英语 |
国家 | Sweden; USA; England |
英文摘要 | During the Arctic Clouds in Summer Experiment (ACSE) in summer 2014 a weeklong period of warm-air advection over melting sea ice, with the formation of a strong surface temperature inversion and dense fog, was observed. Based on an analysis of the surface energy budget, we formulated the hypothesis that, because of the airmass transformation, additional surface heating occurs during warm-air intrusions in a zone near the ice edge. To test this hypothesis, we explore all cases with surface inversions occurring during ACSE and then characterize the inversions in detail. We find that they always occur with advection from the south and are associated with subsidence. Analyzing only inversion cases over sea ice, we find two categories: one with increasing moisture in the inversion and one with constant or decreasing moisture with height. During surface inversions with increasing moisture with height, an extra 10-25 W m(-2) of surface heating was observed, compared to cases without surface inversions; the surface turbulent heat flux was the largest single term. Cases with less moisture in the inversion were often cloud free and the extra solar radiation plus the turbulent surface heat flux caused by the inversion was roughly balanced by the loss of net longwave radiation. |
英文关键词 | Arctic Sea ice Clouds Inversions Advection Surface fluxes |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000455436200002 |
WOS关键词 | PRECIPITABLE WATER-VAPOR ; SEA-ICE ; BOUNDARY-LAYER ; THERMODYNAMIC STRUCTURE ; ATMOSPHERIC CONDITIONS ; CLOUD PROPERTIES ; HEAT-BUDGET ; WARM-AIR ; CLIMATE ; OCEAN |
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/20344 |
专题 | 气候变化 |
作者单位 | 1.Stockholm Univ, Dept Meteorol, Stockholm, Sweden; 2.Stockholm Univ, Bolin Ctr Climate Res, Stockholm, Sweden; 3.Natl Ctr Atmospher Res, Mesoscale & Microscale Lab, POB 3000, Boulder, CO 80307 USA; 4.NOAA, Earth Syst Res Lab, Boulder, CO USA; 5.Univ Colorado, Cooperat Inst Res Environm Sci, Boulder, CO 80309 USA; 6.Univ Leeds, Sch Earth & Environm, Leeds, W Yorkshire, England; 7.Univ Reading, Dept Meteorol, Reading, Berks, England |
推荐引用方式 GB/T 7714 | Tjernstrom, Michael,Shupe, Matthew D.,Brooks, Ian M.,et al. Arctic Summer Airmass Transformation, Surface Inversions, and the Surface Energy Budget[J]. JOURNAL OF CLIMATE,2019,32(3):769-789. |
APA | Tjernstrom, Michael,Shupe, Matthew D.,Brooks, Ian M.,Achtert, Peggy,Prytherch, John,&Sedlar, Joseph.(2019).Arctic Summer Airmass Transformation, Surface Inversions, and the Surface Energy Budget.JOURNAL OF CLIMATE,32(3),769-789. |
MLA | Tjernstrom, Michael,et al."Arctic Summer Airmass Transformation, Surface Inversions, and the Surface Energy Budget".JOURNAL OF CLIMATE 32.3(2019):769-789. |
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