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.

  • New Zealand joins global seabed mapping initiative

    News article
    New Zealand joins global seabed mapping initiative
  • NIWA invests $18 million  in New Zealand’s future

    Media release
    NIWA is placing the future of New Zealanders at the heart of its operation by investing in new supercomputers that will significantly enhance scientists’ abilities to solve crucial issues facing the country.
  • Scientists eavesdrop on endangered dolphins

    News article
    The critically endangered Māui dolphin is getting a helping hand from scientists this month who are beginning a year-long research project to listen in on them.
  • SolarView example

    An illustrated example, showing how to input data and interpret SolarView results.
  • (no image provided)

    Kākahi

    The kākahi or freshwater mussel was a valuable mahinga kai resource for many Māori.
  • Library

    Service
    The NIWA library collection contains items in a range of formats, covering subjects including atmospheric and climate research, aquaculture, oceanography, fisheries and marine sciences.
  • (no image provided)

    Mean monthly sunshine (hours)

    These datasets are available in a range of formats.
  • (no image provided)

    Map E North

    Education Resource
    Sheltered by high country to the west, the eastern zone of the North Island enjoys a dry, sunny climate.
  • (no image provided)

    Droughts

    Generally speaking, a drought is defined as a rainfall deficit which restricts or prevents a human activity – for example, farming or power generation.
  • (no image provided)

    Tuna - glass eels

    Glass eels (about 5.5 to 7.0 cm) arrive in fresh water during spring, especially during September and October, although they may be present from July to December.
  • (no image provided)

    Overview of SHMAK

    An overview of what the SHMAK kit comprises, and various uses for it.