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.

  • Careers at NIWA

    Find out more about working at NIWA
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    Overview of SHMAK

    An overview of what the SHMAK kit comprises, and various uses for it.
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    Submerged macrophytes

    Find out more about submerged aquatic plant species.
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    What are whitebait?

    Whitebait are the juveniles of five species of galaxiidae, a family of fish confined to the Southern Hemisphere.
  • Chemical contamination

    Chemical contaminants are chemicals toxic to plants and animals in waterways.
  • Snow depth

    Ideas for projects using climate data

    Education Resource
    Ideas for projects using climate data
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    Tuna - elvers and recruitment

    Once in freshwater, glass eels develop into darker pigmented juvenile eels known as elvers.
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    What do 'carbon neutral' and 'carbon footprint' mean?

    A carbon neutral activity is one that has a carbon footprint of zero.
  • Canterbury Wave Conditions

    Software Tool/Resource
    NIWA run a computer model which simulates wave heights across the Canterbury continental shelf and along the coast.
  • 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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    Impacts

    Diverting water changes a waterways natural flow