Influence of Eastern Upwelling systems on marine heatwaves occurrence

被引：28
作者：
Varela, R. [1 ]
Rodriguez-Diaz, L. [1 ]
de Castro, M. [1 ]
Gomez-Gesteira, M. [1 ]
机构：
[1] Univ Vigo, CIM UVIGO, Environm Phys Lab EphysLab, Edificio Campus Auga, Orense 32004, Spain
来源：
GLOBAL AND PLANETARY CHANGE | 2021年 / 196卷
关键词：
Upwelling; Buffering; SST; Marine heatwaves; CLIMATE-CHANGE; SST TRENDS; HEAT-WAVE; COASTAL; OCEAN; VARIABILITY; MORTALITY; IMPACTS; ECOSYSTEM; NORTH;
D O I：
10.1016/j.gloplacha.2020.103379
中图分类号：
P9 [自然地理学];
学科分类号：
0705 ; 070501 ;
摘要：
Marine heatwaves (MHWs) are a central topic of research due to their extensive implications to marine fauna and flora. As far as we know, this is the first study focused on the occurrence of MHWs in the Eastern Boundary Upwelling systems (EBUs). For that purpose, trends in Sea Surface Temperature (SST) and in the number of MHW days were calculated to assess the different occurrence of MHWs nearshore and offshore using data from the NOAA OISST 14 from 1982 to 2018. Benguela, Canary, Chile, Peru and California EBUs show lower trends in the number of MHW days near the coast (0.61, 6.70, -7.43, -9.74 and 1.09 days year(-1) decade(-1), respectively) than in the adjacent ocean unaffected by upwelling events (8.62, 12.35, -0.47, -9.39 and 9.99 days year(-1) decade(-1), respectively). This suggests that upwelling can moderate the occurrence of MHWs compared with the adjacent ocean.
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页数：9
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