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Document library Waiwhetu Stream Flood Hydrology

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  • Environmental monitoring > Rainfall and river levels
  • Title Waiwhetu Stream Flood Hydrology
    Date published 1 April 1996
    GWRC Publication No WRC/RI-T-96/17
    Abstract In July 1994, the Hydrological Services Group was commissioned by the
    Rivers Department to analyse and report on the flood hydrology for the
    Waiwhetu Catchment. The study was commissioned as part of supporting
    information for a proposed planning tribunal hearing over clearing of
    aquatic weed using the chemical diaquat in the Waiwhetu Stream.
    The intended us of the hydrological information is to develop a hydraulic
    model of the Waiwhetu Stream which will then be used to route design
    flows though the Waiwhetu Stream with and without the aquatic weed
    within the channel. The degree of flood risk will then be evaluated from
    both scenarios.
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