期刊
GEOPHYSICAL RESEARCH LETTERS
卷 42, 期 12, 页码 4956-4963出版社
AMER GEOPHYSICAL UNION
DOI: 10.1002/2015GL064488
关键词
annual wave power correlation with the teleconnections
资金
- EPSRC [EP/J010316/1]
- Engineering and Physical Sciences Research Council [EP/J010316/1] Funding Source: researchfish
- EPSRC [EP/J010316/1] Funding Source: UKRI
Estimation of the long-term behavior of wave climate is crucial for harnessing wave energy in a cost-effective way. Previous studies have linked wave heights to the north-south atmospheric pressure anomalies in the North Atlantic, suggesting that the wave climate fluctuates as a response to changes in zonal circulation in the atmosphere. We identify changes in wave power in the North-East Atlantic that are strongly correlated to the dominant pressure anomalies, the North Atlantic Oscillation (NAO), and other modes. We present a reconstructed wave power climate for 1665-2005, using a combination of known and proxy indices for the NAO and other modes. Our reconstruction shows high interannual and multidecadal variability, which makes wave energy prediction challenging. This variability should be considered in any long-term reliability analysis for wave energy devices and in power scheme economics.
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