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.

  • Working with Animals at NIWA

    We aim to deliver the science that enables New Zealand to meet its environmental challenges and thrive in a rapidly changing world. To fulfil our purpose we need to understand the way animals live and survive as vital parts of the overall ecosystem.
  • 2020 Australian wildfires reveal significant hole in our understanding of ozone

    Media release
    Smoke from the devastating Australian wildfires impacted the atmosphere in a way that’s never been seen before.
  • Figure 1(b): Analysis using the uncertain hazard assessment creates a further cascade, leading to uncertainty in the impact assessment and causing issues in decision making.

    Explainer: Uncertainties in flood risk assessments

    Research Project
    University of Canterbury’s Professor Matthew Wilson, one of the Mā te haumaru ō te wai research team, gives us some insight on uncertainty.
  • IrriSET - Irrigation Strategy Evaluation Tool

    IrriSET helps farmers to understand the economic viability and environmental efficiency of various irrigation strategies.
  • 2021 Half Yearly Report

    Read NIWA's 2021 Half Year Report.
  • 2022 off to a searing start

    Media release
    New Zealand’s weather is proving no exception to the record-breaking extremes occurring around the globe.
  • Te Kūwaha team

    Te Piko o te Māhuri

    Te Piko o te Māhuri is a development initiative that provides pathways and opportunities for young Māori researchers.
  • RV Tangaroa: New Zealand’s world-class research vessel

    NIWA proudly owns and operates RV Tangaroa, a 70 m Ice Class scientific platform.
  • Matariki viewing prospects

    Media release
    NIWA meteorologists say people living in the lower North Island and eastern South Island are likely to get the best views of the Matariki star cluster during the upcoming weekend.
  • Seen a stunning sunrise or sunset lately? The Tongan volcano may be the cause

    Media release
    The Tongan volcanic eruption may be responsible for New Zealand’s unusually vibrant sunrises and sunsets, say NIWA scientists.
  • Native freshwater and saltwater plant cultivation booklets

    These booklets help provide guidance on the cultivation and restoration of native submerged macrophytes.
  • In the snow: new tool to advise New Zealanders of snow conditions

    Media release
    A new tool giving near real-time snow data has been made available to the public for the first time.