New Zealand Journal of Marine and Freshwater Research abstracts

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Barotropic and baroclinic waves in Lake Taupo

ALEX E. GILMOUR

RON A. HEATH

New Zealand Oceanographic Institute
Division of Water Sciences
Department of Scientific and Industrial Research
Private Bag, Kilbirnie
Wellington, New Zealand

Abstract Results from current and water level gauging records in Lake Taupo (38°48.3'S, 175°55'E) are presented. An internal seiche (baroclinic long wave) with a period of between 16 and 19 h is identified. This period is close to the inertial period (19.12 h) and, accordingly, the flow is strongly influenced by trie Coriolis force. The 7 longest-period barotropic long wave periods (in the range of 35 to 11 min) are also determined with high accuracy.

Keywords Lake Taupo; currents; seiche; longwaves

New Zealand Journal of Marine and Freshwater Research, 1989, Vol. 23: 189-194 0028-8330/2302-0189$2.50/0 © Crown copyright 1989 Received 7 April 1988; accepted 18 August 1988

PDF file of entire paper: medium quality (379K); (scanned from paper original: notes about this process)

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