On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

Atmospheric analysis

NIWA has been using advanced scientific instruments to measure atmospheric trace gases and isotopes for over 50 years.

  • SolarView help

    This calculator estimates the solar energy that can be collected by a solar capture device (solar panel) at a given address, panel direction and roof slope.
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    NZ from Space - About

    AQUA and TERRA are polar orbiting satellites that both pass over New Zealand twice per day.
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    Mussels: more, fresher, better

    Feature story
    The seafood counter at your local supermarket has changed.
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    Inanga

    Inanga are the predominant species in the modern whitebait fishery.
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    How deep is the snow at your place?

    Measurements of snowfall at low elevations around New Zealand are few and far between, and yet the data would be really helpful in understanding how snowfall occurs and quantifying snow-related risks.
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    Impacts of wood processing

    Impacts of timber processing activities on water quality and mahinga kai.
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    What is the chance of a warm summer in Invercargill?

    In this activity you will analyse the Southern Oscillation Index and investigate the chances of getting below normal, normal or above normal summer temperatures in Invercargill.
  • Canterbury

    All aspects of the climate of Canterbury are dominated by the influence of the Southern Alps on the prevailing westerly airflows.
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    Map Chatham

    Education Resource
    Extremes of temperature are rare as the Chatham Islands are small land masses surrounded by sea.
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    Marine geological hazards

    Education Resource
    New Zealand faces a variety of hazards associated with undersea geological activity.
  • Water abstraction and agriculture

    How do agricultural activities potentially influence water flows?
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    Tuna - customary fisheries

    Māori have an extensive knowledge of the ecology of freshwater eels, and have maintained their customary fisheries for several centuries.