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.

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    Map C North

    Education Resource
    As this region is sheltered by high country to the south and east, it has less wind than many other parts of New Zealand.
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    Definitions of drought

    There are several definitions of drought, depending upon whether it is viewed as a hazard or a risk.
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    Summer Series 8: The science of sand

  • Compound Specific Isotope Analysis (CSIA)

    Compound specific stable isotope analysis techniques are an increasingly useful tool to address many ecological and environmental research questions.
  • UVI at Lauder

    Real-time UV Index displays

    NIWA has developed a real time UV display in consultation with the Cancer Society and Sunsmart.
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    Resources and References

    Links to related resources and websites
  • Organisational sustainability

    NIWA's goal is to provide the science to help New Zealanders transition to a sustainable future.
  • Azolla fulliculoides

    Free floating species

    Find out more about free floating species.
  • Water quality tools

    Find out more about our water quality tools.
  • Blogs

    Follow NIWA's scientists as they explore the natural world, make new discoveries and share how people use their science.
  • Waikato

    Waikato exhibits a range of climates due to the variety of landscapes in the region.
  • Blue Lake, St Bathans

    Seasonal

    Publication series
    Seasonal climate summaries from summer 2001 to the present.