Major pathways of Atlantic water in the northern North Atlantic and Nordic Seas toward Arctic

Details Major pathways of Atlantic water in the northern North Atlantic and Nordic Seas toward Arctic Major pathways of Atlantic water in the northern North Atlantic and Nordic Seas toward Arctic

Oct 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002georl..29s...2o&link_type=abstract

Geophysical Research Letters, Volume 29, Issue 19, pp. 2-1, CiteID 1896, DOI 10.1029/2002GL015002

Physics

49

Oceanography: Physical: Currents, Oceanography: Physical: General Circulation, Oceanography: Physical: Fronts And Jets, Oceanography: Physical: Hydrography

Scientific paper

The major pathways of near-surface Atlantic water in the northern North Atlantic and Nordic Seas are identified as current speeds above 30 cm/s, using 1014 Lagrangian drifters combined with previously published hydrography. The inflow over the Scotland-Greenland ridge and establishment of the two-branch Norwegian Atlantic Current (NwAC) are described in light of the circulation in the northern North Atlantic. The western branch of the NwAC appears as a jet in the Polar Front, topographically guided from the Iceland-Faroe Front, through the Nordic Seas toward Fram Strait. The eastern branch starts as a shelf edge current above the Irish-Scottish continental shelf, and after passing through the Faroe-Shetland Channel, it continues northward along the Norwegian shelf edge toward the Arctic, with a branch bifurcating into the Barents Sea. The NwAC appears to maintain its two-branch structure throughout the Nordic Seas, with the Atlantic water confined to a 200-600 km wide wedge.

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