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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    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.
  • NIWA Instrument Systems

    Instrument Systems is a specialised technology-focused consulting group within NIWA.
  • Chemical contamination and mining

    What are the potential sources of chemical contamination from mining activities?
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    Island Climate Update

    Publication series
    A monthly summary of the climate in the tropical South Pacific islands, with an outlook for the coming months.
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    Mountains in the Sea: the Louisville Seamount Chain

    We are currently steaming out towards our survey area, the Louisville Seamount Chain, which is about 1500 km from Wellington.
  • Manawatu-Wanganui

    The climate of the Manawatu-Wanganui region is a reflection of the generally disturbed westerly air flow with interspersed anticyclones, modified in specific places by the local topography.
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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.
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    Tuna - freshwater eels in New Zealand

    Tuna is a generic Māori word for freshwater eels. The word will be used interchangeably in this resource.
  • Biogas from pig farms

    Research Project
    Biogas from pig farms