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.

  • (no image provided)

    Water temperature and hydro

    How do hydro-electricity activities potentially influence waterway temperatures?
  • (no image provided)

    Tuna - life cycle and leptocephalii

    Freshwater eels have an unusual life cycle which sees them travelling between the ocean, estuaries and freshwaters.
  • Winter 2020 – NZ’s warmest winter on record

    Media release
    New Zealand has just experienced its warmest winter on record, according to official NIWA climate data.
  • (no image provided)

    Hawkes Bay

  • “Very rare find” of ghost shark hatchling

    Media release
    NIWA scientists have made the rare discovery of a days-old ghost shark during a recent survey off the east coast of the South Island.
  • Support

    We have a range of exciting career pathways with our professional Support Service.
  • Planning for coastal adaptation

    Service
    Coastal risk exposure for New Zealand, adaptation guidance for local government and relevant summaries of previous court cases and Building Act 2004 determinations.
  • Emperor penguin foraging behaviour revealed

    Media release
    An unavoidable delay in a research ship’s voyage to Antarctica resulted in some surprising and important findings about the behaviour of emperor penguins.
  • (no image provided)

    Causes of sedimentation

    What are the potential sources of sediments from land use activities?
  • (no image provided)

    NZ from Space - About

    AQUA and TERRA are polar orbiting satellites that both pass over New Zealand twice per day.
  • (no image provided)

    How deep is the snow at your place?

    Measurements of snowfall at low elevations around New Zealand are few and far between, and yet the data would be really helpful in understanding how snowfall occurs and quantifying snow-related risks.