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Interannual and interdecadal variations in the North Atlantic Oscillation spatial shift |
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| Authors: | XiaoJian Zhang LiYa Jin ChunZhu Chen DongSheng Guan MingZhi Li |
| Institution: | 1. Key Laboratory of Western China’s Environmental Systems (Ministry of Education), Lanzhou University, Lanzhou, 730000, China 2. Institute of Geosciences, University of Kiel, Kiel, D-24118, Germany |
| Abstract: | The spatial shift of the North Atlantic Oscillation (NAO) is analyzed by using the Twentieth Century Reanalysis version 2 dataset and identifying NAO action centers directly on winter mean sea-level pressure (SLP) anomaly maps. The spatial shift of the NAO is characterized by four NAO spatial shift indices: the zonal and meridional shifts of the NAO southern and northern action centers. It is found that the zonal and meridional shift trends of the NAO action centers move along a path of southwest-northwest ... |
| Keywords: | North Atlantic Oscillation spatial shift interannual variation interdecadal variation zonal winds |
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