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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    Further reading

    References, further reading, and links to useful websites.
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    Meteorologist for a day

    Within a range of meaningful contexts students will be able to make statements about implications and possible actions consistent with the results of a statistical investigation and to find and authenticate data measures such as mean, median, mode, inter-quartile range, and range.
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    Snapper: Egg

    About snapper eggs
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    Canterbury

  • Services

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  • Lesson 9: Ngā Tohu o te Taiao – Māori environmental indicators

    Education Resource
    This lesson will explore the use of Māori environmental indicators [tohu] to anticipate local weather and climate conditions.
  • Azolla fulliculoides

    Free floating species

    Find out more about free floating species.
  • Generating synthetic wind data

    Research Project
    NIWA has recently created synthetic, multi-year, 10-minute wind datasets at 15 wind farm sites across New Zealand. These will be used by the Electricity Commission to model the impact of wind farms on the national grid.
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    Smart Rain Intensity Gauge - NIWA SRIG

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    Water clarity

    Water clarity or turbidity is the cloudiness or haziness in a fluid caused by individual small particles (suspended solids).
  • Climate and weather

    Information about climate and weather and links to climate-related websites.
  • Pulp and paper

    Wood chips and plant material make pulp that is used to produce paper products.