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.

  • Common climate and weather terms

    Education Resource
    A glossary of common climate change and meteorological terms.
  • (no image provided)

    Water Level Instruments

    There are different types of instrument available for measuring water level.
  • (no image provided)

    Population modelling software

    Casal2 is an advanced software package developed by NIWA for modelling the population dynamics of marine species.
  • (no image provided)

    Water Quality Monitoring Capabilities

    Research Project
    NIWA provides national capabilities in Water Quality Monitoring.
  • (no image provided)

    Floods

    Education Resource
    River floods occur when water spills from a river channel onto land that is normally dry, and are one of New Zealand's costliest natural hazards.
  • (no image provided)

    Electric Fishing Machine - NIWA EFM300

  • 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.
  • Kaitiaki Tools

    Service
    Easing the resource consent process
  • Mahinga kai - what species interests you?

    In Kaitiaki Tools the term mahinga kai generally refers to indigenous freshwater species that have traditionally been used as food, tools, or other resources.
  • (no image provided)

    Tuna - habitat

    Tuna are found in all sorts of habitats (places), including coastal estuaries, lakes, wetlands, rivers, mountain streams and even alpine tarns.
  • (no image provided)

    Meteorologist for a day

    Within a range of meaningful contexts students will be able to make statements about implications and possible actions consistent with the results of a statistical investigation and to find and authenticate data measures such as mean, median, mode, inter-quartile range, and range.