Links Between Sea Surface Temperature Structures, Clouds and Rainfall: Study Case of the Mediterranean Sea

被引：20

作者：

Desbiolles, Fabien ^{[1
,2
]}

Alberti, Maria ^{[1
]}

Hamouda, Mostafa E. ^{[1
,3
]}

Meroni, Agostino N. ^{[1
,4
,5
]}

Pasquero, Claudia ^{[1
,6
]}

机构：

[1] Univ Milano Bicocca, Dept Earth & Environm Sci, Milan, Italy

[2] Ist Nazl Oceanog & Geofis Sperimentale OGS, Trieste, Italy

[3] Cairo Univ, Fac Sci, Astron & Meteorol Dept, Cairo, Egypt

[4] Politecn Milan, Dept Civil & Environm Engn, Milan, Italy

[5] CIMA Res Fdn, Savona, Italy

[6] CNR, Ist Sci Atmosfera & Clima, Turin, Italy

来源：

GEOPHYSICAL RESEARCH LETTERS | 2021年 / 48卷 / 10期

基金：

欧盟地平线“2020”;

关键词：

CATASTROPHIC PRECIPITATING EVENTS; EASTERN EQUATORIAL PACIFIC; WIND STRESS; BOUNDARY-LAYER; SATELLITE MEASUREMENTS; SOUTHERN FRANCE; OCEAN; CONVERGENCE; EDDIES; SYSTEM;

D O I：

10.1029/2020GL091839

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Using 25 years of ERA5 reanalysis data, this study shows that wind divergence is partially driven by small-scale sea surface temperature (SST) patterns via their effect on the boundary layer stability. Moreover, strong warm-to-cold fronts (the upper quartile) are associated with a mean increase of cloud cover of 10% +/- 5% and a mean increase in the probability of a rain event of 15% +/- 6%, with respect to the average values. The cloud and rainfall dependence on SST fronts is more pronounced in Fall, probably due to the stronger SST gradients present at the end of the summer season.

引用

页数：11

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