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      Transient wind-driven coastal upwelling on a shelf with varying width and orientation

      Longdill, Peter C.; Healy, Terry R.; Black, Kerry P.
      DOI
       10.1080/00288330809509947
      Link
       www.royalsociety.org.nz
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      Citation
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      Longdill, P. C., Healy, T. R. & Black, K. P. (2008). Transient wind-driven coastal upwelling on a shelf with varying width and orientation. New Zealand Journal of Marine and Freshwater Research, 42(2), 181-196.
      Permanent Research Commons link: https://hdl.handle.net/10289/2856
      Abstract
      Cross-correlations between along-shelf wind stress and both along- and cross-shelf currents within the central Bay of Plenty, New Zealand show the circulation during spring–summer to be highly responsive to wind events. Current meter records indicate that upwelling-favourable wind stresses generate upwelling dynamics in both mean and fluctuating senses. Both thermistor moorings and satellite inferred temperature data record the outcropping of this cool water following upwelling-favourable wind stresses. The upwelling circulation provides an efficient mechanism for the periodic delivery of cool (c. <15°C), nutrient rich (NOx- N >80 µg litre–1 ) water to the coastal zone during spring. Historical wind forcing data suggest that the wind-forced dynamics described were responsible for a major toxic algal bloom within the Bay of Plenty during 1992–93.
      Date
      2008
      Type
      Journal Article
      Publisher
      R S N Z Publishing
      Collections
      • Science and Engineering Papers [3119]
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