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Temperature changes in the tidal excursion front and surface sediment of a subtropical mudflat in autumn
Birt, M.J.; Tibbetts, I.R. (2007). Temperature changes in the tidal excursion front and surface sediment of a subtropical mudflat in autumn. J. Sea Res. 58(2): 113-119. dx.doi.org/10.1016/j.seares.2007.03.003
In: Journal of Sea Research. Elsevier/Netherlands Institute for Sea Research: Amsterdam; Den Burg. ISSN 1385-1101, more
Peer reviewed article  

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Keywords
    Autumn; Benthos; Mud flats; Nekton; Sediment temperature; Temperature effects; Water temperature; ISEW, Australia, Queensland [Marine Regions]; Marine

Authors  Top 
  • Birt, M.J.
  • Tibbetts, I.R., correspondent

Abstract
    Temperature changes in sediment and the inundating water of a subtropical mudflat were determined using a series of data-loggers to monitor the temperature on fine days around the equinox at Lota, Queensland, Australia. On fine days the temperature of the forward shallow (ca. 5 cm) section of an incoming tide is up to 8 °C higher than that of the body of water from which it originates. Stationary data-loggers in the sediment indicate that during the day heat exchange occurred between the sediment and inundating waters, the sediment temperatures dropping from up to 10 °C higher than channel waters to temperatures approaching that of channel water in as little as 30 min following inundation. The implications for intertidal nekton and benthos are discussed.

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