Long-Term Sea Level Periodicities over the European Seas from Altimetry and Tide Gauge Data

被引:0
作者
Zid, Ferdous [1 ]
Vigo, Maria Isabel [1 ]
Vargas-Alemany, Juan A. [1 ]
Garcia-Garcia, David [1 ]
机构
[1] Univ Alicante, Appl Math Dept, Alicante 03690, Spain
关键词
sea level; long-term variability; altimetry data; tide gauge data; NAO; AMO; NORTH-ATLANTIC; WAVELET TRANSFORM; NAO; VARIABILITY; SHIFT;
D O I
10.3390/rs16162931
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
This study investigates the long-term temporal patterns of sea level changes by analyzing monthly tide gauge data from 1950 to 2022 (42 to 72 years) along the European coastline and monthly altimetry data from 1992 to 2024 in the surrounding European seas. The primary focus is on signals with periods longer than 5 years. The application of wavelet-based approaches and multiresolution analysis has enabled the isolation of signals with periods of approximately 8 and 16 years. However, the latter has only been observed in tide gauge data, as the altimetry time series is not sufficiently long. The same analysis was applied to the North Atlantic Oscillation (NAO) and Atlantic Multidecadal Oscillation (AMO) indices, which enabled the detection of the same signals. The reported multiyear signals of sea level are correlated with NAO and AMO indices, particularly during the period spanning from 1975 to 2010.
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页数:19
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