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| Titel |
Transport of Antarctic bottom water through the Kane Gap, tropical NE Atlantic Ocean |
| VerfasserIn |
E. G. Morozov, R. Y. Tarakanov, H. Haren |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1812-0784
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| Digitales Dokument |
URL |
| Erschienen |
In: Ocean Science ; 9, no. 5 ; Nr. 9, no. 5 (2013-09-23), S.825-835 |
| Datensatznummer |
250085243
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| Publikation (Nr.) |
 copernicus.org/os-9-825-2013.pdf |
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| Zusammenfassung |
| We study low-frequency properties of the Antarctic Bottom Water (AABW) flow
through the Kane Gap (9° N) in the Atlantic Ocean. The measurements
in the Kane Gap include five visits with CTD (Conductivity-Temperature-Depth) sections in 2009–2012 and a
year-long record of currents on a mooring using three AquaDopp
current meters. We found an alternating regime of flow, which changes
direction several times during a year. The seasonal signal seems to dominate.
The maximum daily average values of southerly velocities reach
0.20 m s−1, while the greatest north-northwesterly velocity is as high
as 0.15 m s−1. The velocity and transport at the bottom are aligned
along the slope of a local hill near the southwestern side of the gap. The
distribution of velocity directions at the upper boundary of AABW is wider.
The transport of AABW (Θ < 1.9 °C) based on the mooring
and LADCP (Lowered Acoustic Doppler Current Profiler) data varies approximately within ±0.35 Sv in the northern and
southern directions. The annual mean AABW transport through the Kane Gap is
almost zero. |
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