Hazards

NIWA researchers study geological, weather and coastal hazards, including the impact of climate change on some of these.

  • Water dams

    Damming water for urban use, hydro-electric power generation, irrigation, and other industrial and commercial uses.
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    Extreme weather - heavy rainfall

    Education Resource
    Heavy rainfall is one of the most frequent and widespread severe weather hazards to affect New Zealand.
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    Sea level rise and coastal inundation mapping of the Avon-Heathcote Estuary, Christchurch

    Urban Infrastructure and the Built Environment Toolbox case study
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    Extreme weather - winds and tornadoes

    Education Resource
    Due to its position in the 'Roaring Forties', a belt of strong winds in the Southern Hemisphere which generally occur between the latitudes of 40 and 49 degrees, as well as its small size, New Zealand is a windy country.
  • New Zealand Palaeotsunami Database

    Software Tool/Resource
    The New Zealand Palaeotsunami Database (Database) brings together all known information about tsunamis that occurred prior to written records.
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    Flood modelling of the Buller River, Westport

    Urban Infrastructure and the Built Environment Toolbox case study
  • Tonga volcano “afterglow” causes dazzling skies in Antarctica

    Media release
    Antarctica is experiencing stunning skyscapes like those recently seen in New Zealand, thanks to the afterglow effect from the Tongan volcano.
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    Risk and vulnerability

    Education Resource
    Risks from natural hazards are part of every day life for New Zealanders.
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    Flooding - how does it happen?

    Education Resource
    Understanding what happens above and below ground during a flooding event, and how it is different from normal rainfall conditions
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    Waves

    Education Resource
    The waters around New Zealand have some of the highest waves in the world, due to Southern Ocean swell and storms in the Tasman Sea and Pacific Ocean.
  • New database sheds light on prehistoric tsunamis affecting New Zealand

    Media release
    The scientific records of palaeotsunamis to have affected New Zealand shores can now be accessed in a new one-stop information shop.