Coastal Restoration Trust of New Zealand

Coastal Dune Ecosystem Reference Database

Heat balance in a small coastal inlet, Pauatahanui Inlet, North Island, New Zealand. Technical Report

Author
Heath, R.A.
Year
1977
Journal / Source
Estuarine and Coastal Marine Sciences
Volume
5
Pages
783-792
Keywords
Heat balance, heat budget, mud flats, inlets, solar radiation, New Zealand coast, estuarine, Pauatahanui Inlet
Summary
Examination of the heat budget in Pauatahanui Inlet, a small (3.5 km2) New Zealand coastal inlet indicates the balance is essentially between solar and long wave radiation, evaporation and advective heat exchange with the coastal waters. The role of the mudflat in the heat balance is only minor. The temperature at the entrance to the inlet exhibits strong tidal fluctuations resulting from exchange with the coastal waters and a diurnal inequality produced by interaction of solar heating with the tidally controlled surface area and volume. The simulated temperature record for a month, calculated from a heat budget equation with 24 h and ix h sinusoidal heat transfers approximating those observed on 16 March 1976, exhibits the effect of the tidal/solar interaction in producing a 14.75 day beat, variable diurnal in equality and the generation of many high frequency components.
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