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 - The Spiny Murex - Poirieria zelandica

    You might occasionally come across this long-spined beauty, the spiny murex or Poirieria zelandica, washed up at the beach, arguably one of our most impressive shells
  • Community Observation Networks for Air (CONA): previous projects

    CONA studies in Rangiora in 2015-17 and Alexandra in 2018 have proven that the technologies and methodologies used provide valuable data to support mitigation efforts by local authorities.
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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