New Zealand Journal of Marine and Freshwater Research abstracts
Evidence of a significant wind-driven circulation in Akaroa Harbour.
Part 1: Data obtained during the September-November, 1998 field survey
Darlene N. Heuff
Department of Physics and Astronomy
University of Canterbury
Private Bag 4800
Christchurch, New Zealand
Robert H. Spigel
Alex H. Ross
National Institute for Water and Atmospheric
Research Limited
P.O. Box 8602
Christchurch, New Zealand
Abstract Part 1 (P1) of a two-part study of Akaroa Harbour,
Bank’s Peninsula, New Zealand, presents observational evidence of the development
of a significant wind-driven circulation in association with strong northerly
and southerly wind events. These are common throughout the year though during
the 3-month field campaign (during the Southern Hemisphere spring of 1998)
northerly wind events dominated. This wind-driven circulation resulted in
the weakening of density stratification within the Harbour, mixing the water
column to depth over a significant portion of the study area.
Keywords Akaroa; Harbour; Banks Peninsula; hydrodynamics;
vertical mixing; wind-driven circulation
M04065; Online publication date 16 August 2005 Received 22 March 2004;
accepted 13 April 2005
New Zealand Journal of Marine and Freshwater Research, 2005, Vol. 39:
1097–1109
0028-8330/05/3905-1097 © The Royal Society of New Zealand 2005
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