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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    National

    National climate maps
  • What is Kaitiaki Tools?

    Kaitiaki Tools is a guide to teach people (especially hapū and iwi groups) who manage the resource consent process.
  • The process

    The process of coming to work with us has five steps: applying, a phone interview, a face to face interview, background checks, and an offer.
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    Snapper life cycle

  • Mining

    Mining is the extraction of metal and mineral resources, such as gold, coal, petroleum, and ironsand
  • Average soil moisture deficit onset and termination maps

    Maps of the average first and last dates of soil moisture deficit are shown here.
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    Mean daily minimum temperatures (°C)

    These datasets are available in a range of formats.
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    New Zealand's Marine Realm

    News article
    NIWA has transformed 1.5 million square kilometres of data into the most accurate and detailed map yet of the land underneath the sea around New Zealand.
  • Development of sustainable water supply and treatment systems for a coastal Fijian village

    Research Project
    This collaborative NZaid project worked with coastal Fijian villagers at Votua on the Coral Coast of Viti Levu to develop pragmatic water supply and waste treatment solutions to protect public health and reduce contamination of coastal waters.
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    Trawl fisheries bycatch

    Accurate reporting on the amount of fish and invertebrates that are caught and discarded by New Zealand’s commercial fishing industry is vital to effective management of these fisheries.
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    The formation of the Antarctic bottom water

    Blog
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    Tuna - elvers and recruitment

    Once in freshwater, glass eels develop into darker pigmented juvenile eels known as elvers.