globalchange  > 影响、适应和脆弱性
DOI: 10.1007/s00382-017-3861-0
Scopus记录号: 2-s2.0-85028001084
论文题名:
Wind speed variability over the Canary Islands, 1948–2014: focusing on trend differences at the land–ocean interface and below–above the trade-wind inversion layer
作者: Azorin-Molina C.; Menendez M.; McVicar T.R.; Acevedo A.; Vicente-Serrano S.M.; Cuevas E.; Minola L.; Chen D.
刊名: Climate Dynamics
ISSN: 9307575
出版年: 2018
卷: 50, 期:2018-11-12
起始页码: 4061
结束页码: 4081
语种: 英语
英文关键词: Atmospheric circulation ; Canary Islands ; Inversion-layer ; Land–ocean ; Trade-winds ; Trends ; Wind speed
英文摘要: This study simultaneously examines wind speed trends at the land–ocean interface, and below–above the trade-wind inversion layer in the Canary Islands and the surrounding Eastern North Atlantic Ocean: a key region for quantifying the variability of trade-winds and its response to large-scale atmospheric circulation changes. Two homogenized data sources are used: (1) observed wind speed from nine land-based stations (1981–2014), including one mountain weather station (Izaña) located above the trade-wind inversion layer; and (2) simulated wind speed from two atmospheric hindcasts over ocean (i.e., SeaWind I at 30 km for 1948–2014; and SeaWind II at 15 km for 1989–2014). The results revealed a widespread significant negative trend of trade-winds over ocean for 1948–2014, whereas no significant trends were detected for 1989–2014. For this recent period wind speed over land and ocean displayed the same multi-decadal variability and a distinct seasonal trend pattern with a strengthening (late spring and summer; significant in May and August) and weakening (winter–spring–autumn; significant in April and September) of trade-winds. Above the inversion layer at Izaña, we found a predominance of significant positive trends, indicating a decoupled variability and opposite wind speed trends when compared to those reported in boundary layer. The analysis of the Trade Wind Index (TWI), the North Atlantic Oscillation Index (NAOI) and the Eastern Atlantic Index (EAI) demonstrated significant correlations with the wind speed variability, revealing that the correlation patterns of the three indices showed a spatio-temporal complementarity in shaping wind speed trends across the Eastern North Atlantic. © 2017, The Author(s).
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/109268
Appears in Collections:影响、适应和脆弱性
气候变化事实与影响

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作者单位: Regional Climate Group, Department of Earth Sciences, University of Gothenburg, Box 460, Gothenburg, 405 30, Sweden; Environmental Hydraulics Institute “IH Cantabria”, Universidad de Cantabria, Santander, Spain; CSIRO Land and Water, Canberra, ACT, Australia; Australian Research Council Centre of Excellence for Climate System Science, University of New South Wales, Sydney, Australia; Instituto Pirenaico de Ecología, Consejo Superior de Investigaciones Científicas (IPE-CSIC), Departamento de Procesos Geoambientales y Cambio Global, Zaragoza, Spain; Izaña Atmospheric Research Center (IARC), Meteorological State Agency of Spain (AEMET), Santa Cruz de Tenerife, Spain

Recommended Citation:
Azorin-Molina C.,Menendez M.,McVicar T.R.,et al. Wind speed variability over the Canary Islands, 1948–2014: focusing on trend differences at the land–ocean interface and below–above the trade-wind inversion layer[J]. Climate Dynamics,2018-01-01,50(2018-11-12)
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