Drift currents in the southern New Zealand region as derived from Lagrangian measurements and the remote sensing of sea‐surface temperature distributions
作者:
W. N. Jenks,
J. Grindrod,
J. A. Peterson,
期刊:
New Zealand Journal of Marine and Freshwater Research
(Taylor Available online 1982)
卷期:
Volume 16,
issue 3-4
页码: 359-371
ISSN:0028-8330
年代: 1982
DOI:10.1080/00288330.1982.9515979
出版商: Taylor & Francis Group
关键词: wind‐driven currents;New Zealand;South Island;Southern Ocean;Subtropical Convergence;Lagrangian methods;drifters;temperature;surface water;remote sensing
数据来源: Taylor
摘要:
Four drift bottles, cast adrift south of the Subtropical Convergence at 48°S, 156°E in November 1980, landed within 123 days of release at a short stretch of coast north of Banks Peninsula. A high degree of coherence in the responsible drift pattern is indicated. The contemporary surface circulation inferred from satellite‐derived sea‐surface temperature distributions indicates that the bottles were entrained in a meridionally‐converging flow after drifting across the southern Tasman Sea without crossing the Convergence. They were prevented from further eastward drifting because of a marked southward flexing of the Convergence east of the Southland Current during February 1981. Because of local weather and tide effects, the bottles finally beached in Pegasus Bay.
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