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

  • Analysis of water quality trends

    NIWA has developed a powerful software tool for the analysis of water quality data.
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    Software tools

    NIWA develops and supplies custom software for environmental analysis and modelling.
  • Water abstraction and agriculture

    How do agricultural activities potentially influence water flows?
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    Map North

    Education Resource
    This is a sub-tropical climate zone, with warm humid summers and mild winters.
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    Tuna - customary fisheries

    Māori have an extensive knowledge of the ecology of freshwater eels, and have maintained their customary fisheries for several centuries.
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    Exploration sector

    Hydrocarbons, although requiring increasingly responsible use, are still an essential part of our modern economy. NIWA has provided survey and consultancy services related to the exploration of offshore mineral resources for thirty years.
  • LakeSPI diver

    LakeSPI: Keeping tabs on lake health

    Software Tool/Resource
    The condition of many NZ lakes is under threat from land-use changes and the invasion of alien aquatic plants.
  • Critter of the Week: The Gorgon’s Head - Gorgonocephalus

    A basket star was the first reported animal trawled up from the deep sea back in the early 1800s so they have a spot in the history books of deep ocean exploration.
  • Resources for teachers

    NIWA's educational resources and scientific data are tools for young people to learn about science.
  • Freshwater fish species list

    A list all of New Zealand's freshwater fish species.
  • West Coast

    West Coast is New Zealand’s wettest region, and this may be attributed to its exposure to the predominant westerly airflow over the country, combined with the orographic effect of the Southern Alps.
  • Sea level observations (near real-time)

    Service
    This system combines daily sea-level data from NIWA, regional councils, port companies, Antarctica NZ, Bureau of Meteorology and territorial authorities.