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Atmospheric Blocking and Atlantic Multidecadal Ocean Variability
Atmospheric blocking over the northern North Atlantic, which involves isolation of large regions of air from the westerly circulation for 5 days or more, influences fundamentally the ocean circulation and upper ocean properties by affecting wind patterns. Winters with clusters of more frequent block...
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| Published in: | Science (American Association for the Advancement of Science) 2011-11, Vol.334 (6056), p.655-659 |
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| Main Authors: | , , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c535t-4daf0fe350cf0863ca67eea8687abe5cd2f723fbb74fa29693fc4a468e74400a3 |
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| cites | cdi_FETCH-LOGICAL-c535t-4daf0fe350cf0863ca67eea8687abe5cd2f723fbb74fa29693fc4a468e74400a3 |
| container_end_page | 659 |
| container_issue | 6056 |
| container_start_page | 655 |
| container_title | Science (American Association for the Advancement of Science) |
| container_volume | 334 |
| creator | Häkkinen, Sirpa Rhines, Peter B. Worthen, Denise L. |
| description | Atmospheric blocking over the northern North Atlantic, which involves isolation of large regions of air from the westerly circulation for 5 days or more, influences fundamentally the ocean circulation and upper ocean properties by affecting wind patterns. Winters with clusters of more frequent blocking between Greenland and western Europe correspond to a warmer, more saline subpolar ocean. The correspondence between blocked westerly winds and warm ocean holds in recent decadal episodes (especially 1996 to 2010). It also describes much longer time scale Atlantic multidecadal ocean variability (AMV), including the extreme pre-greenhouse-gas northern warming of the 1930s to 1960s. The space-time structure of the wind forcing associated with a blocked regime leads to weaker ocean gyres and weaker heat exchange, both of which contribute to the warm phase of AMV. |
| doi_str_mv | 10.1126/science.1205683 |
| format | article |
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| ispartof | Science (American Association for the Advancement of Science), 2011-11, Vol.334 (6056), p.655-659 |
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| language | eng |
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| source | American Association for the Advancement of Science; Alma/SFX Local Collection |
| subjects | Atmospheric circulation Atmospherics Climate Climate change Climate models Climatology. Bioclimatology. Climate change Curl Earth, ocean, space Exact sciences and technology External geophysics Gyres Meteorology Meteorology And Climatology Ocean circulation Ocean-atmosphere interaction Oceans Physics of the oceans Sea-air exchange processes Storms Subtropics Time series Winds and their effects |
| title | Atmospheric Blocking and Atlantic Multidecadal Ocean Variability |
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