On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

  • Al Brown - How to Cook Hapuku

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    What are ppm and ppb?

    PPM and PPB are units used in atmospheric chemistry to describe the concentration of gases.
  • Atmosphere data

    Data from our research which we make publicly available.
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    Fisheries stock assessments

    To get the most benefit from a fish stock in the long term, we need to maximise our yield without damaging the fish population we rely on.
  • Kaitiaki Tools

    Service
    Easing the resource consent process
  • Mahinga kai - what species interests you?

    In Kaitiaki Tools the term mahinga kai generally refers to indigenous freshwater species that have traditionally been used as food, tools, or other resources.
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    Mean daily minimum temperatures (°C)

    These datasets are available in a range of formats.
  • 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.
  • Scientists explore deepest parts of the Kermadec Trench

    Media release
    Scientists exploring the Kermadec Trench believe they have retrieved the deepest ever sediment sample from the bottom of the ocean using a wire-deployed corer.
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    Bay of Plenty

  • Our work

    We have an exciting range of career opportunities at NIWA in both the scientific and professional support areas.
  • Drought indicator charts