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.

  • Pauanui South, Cam-era monitoring site

    Pauanui South

    Pauanui South Cam-era station
  • Climate change scenarios for New Zealand

    Research Project
    Projections of how climate change is likely to affect New Zealand.
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    Cropping activities

    The land used to produce crops is usually flat to gently rolling so it can be tilled, sowed, and harvested.
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    Sediment and forestry

    How may forestry activities increase sediments in waterways?
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    HIRDSv4 Usage

    ESNZ's High Intensity Rainfall Design System (HIRDS) offers planners and engineers more certainty about the frequency of high-intensity rainfall events, enabling them to better design stormwater drainage, flood defence systems and other vital structures.
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    Climate stations and instruments

    We can supply a wide range of weather or climate monitoring instruments from single parameter sensors to fully equipped and installed climate stations.
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    Mussels: more, fresher, better

    Feature story
    The seafood counter at your local supermarket has changed.
  • Work-life balance

    We recognise that there's so much more to life than just work!
  • 2014 UV Workshop

    Presented papers, arranged by workshop programme.
  • Drought Indicator Maps

    Up-to-date drought indicator maps are shown here.
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    Our management

    NIWA is managed by an Executive Team reporting to the Chief Executive Officer. Science and operational matters are handled by two sub-groups.