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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    RV Ikatere

    Facility
    A versatile inshore vessel, RV Ikatere is equipped with high-precision multibeam and sub-bottom profiler transducers for surveying and mapping the seabed.
  • 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

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    Common climate and weather terms

    Education Resource
    Confused about El Niño, or can't tell the difference between an Anticyclone and an Isobar? Let us help.
  • 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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    'Eleven-station' series temperature data

    Research Project
    Temperature trends from 1930s to present day
  • Ocean banner

    What is ocean acidification?

    Education Resource
    Ocean acidification is the name given to the lowering of pH of the oceans as a result of increasing carbon dioxide (CO2) in the atmosphere.
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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.
  • Rig shark

    Research Project
    Rig shark is an important inshore commercial fish species in New Zealand, and we need to understand more about their habitats, movements, nursery grounds and vulnerability to human impacts to ensure they are managed sustainably and their productivity is enhanced.
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    What are greenhouse gases?

    Greenhouse gases are atmospheric gases that intercept long-wave (mainly infrared) radiation emitted from the Earth's surface.
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    Whitianga Wharf

    Whitianga Wharf sea levels