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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    Critter of the Week, spiny sea slater Brucerolis brandtae

    This week we thought we would go back to the beginning and revisit our very first Critter, which many of you may not have seen. Let’s take another look at the spiny sea slater Brucerolis brandtae.
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    Dry spells take hold in South Island

    News article
    Many areas in the South Island are tracking towards record dry spells as relatively warm, dry weather that began in mid-August continues
  • Binding Phosphorus

  • Constructed Wetlands

  • Farming Industry Challenges

  • Riparian Zones

  • Stream Ecology

  • Taking water from rivers

  • Covered Anaerobic Ponds

  • Irrigation Automation

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    Critter of the Week: Ancient meadows of sea lilies - Ptilocrinus amezianeae

    When we for the first time surveyed the Admiralty and Scott Island seamounts to the north of the Ross Sea in 2008, we encountered striking meadows of stalked crinoids at around 600 m depth.
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    National Science Challenge launched today

    News article
    The Government’s latest National Science Challenge announced today represents the single biggest investment in ocean-related research for New Zealand.