Seasonal circulation and temperature variability near the North West Cape of Australia
作者： Ryan J Lowe , Gregory N Ivey , Richard M Brinkman , Nicole L Jones , None
DOI: 10.1029/2011JC007653
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摘要: [1] The circulation and temperature variability on the inner shelf near North West Cape of Australia off Ningaloo Reef was investigated using field data obtained from two moorings deployed 2004 to 2009. The results revealed that alongshore currents were, average, only weakly influenced by offshore poleward (southward) Leeuwin Current flow, i.e., monthly averaged current velocities were ∼0.1 m s−1 or less. presence a consistent summer-time wind-driven equatorward (northward) counter flow inner-shelf (referred in literature as Current) not observed. Instead, waters strongly year-round episodic subtidal fluctuations (time scale 1–2 weeks) driven local wind-forcing. Analysis profiles showed periods strong winds able overcome dominant pressure gradient region, leading upwelling inner-shelf. Contrary prior belief, these events limited summer periods. forcing provided periodic wind associated flows can explain much observed (with timescales < 1 month) influences Reef.
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