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

  • Multibeam, seabed mapping, swath, Tangaroa

    Multibeam swath system

    Hull-mounted on the RV Tangaroa, the EM302 multibeam echosounder maps the seafloor using a fan of 288 acoustic beams, producing up to 864 soundings per ping in dual swath mode, providing 100% coverage of the seabed.
  • (no image provided)

    NZ Drought indicator products and information

    Drought is a common feature of New Zealand's climate. On average, every year or two somewhere in New Zealand experiences a drought.
  • (no image provided)

    Resources

    Understanding climate and climate change.
  • Post-Doctoral Fellowships

    Post-Doctoral Fellowship positions at NIWA.
  • Wave action

    Feature story
    New Zealand’s coast is sculpted by ocean waves. Some wave conditions bring joy to surfers and beachgoers, but, at other times, waves can cause major hazards at sea or along the shore.
  • (no image provided)

    Mitigation and best practice options

    Some simple steps to minimise the effects of wastewater on water quality and mahinga kai.
  • Common hydrological terms

    Education Resource
    Descriptions of the common terms that explain the processes that occur in hydrology.
  • Water abstraction and agriculture

    How do agricultural activities potentially influence water flows?
  • (no image provided)

    Tuna - customary fisheries

    Māori have an extensive knowledge of the ecology of freshwater eels, and have maintained their customary fisheries for several centuries.
  • (no image provided)

    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.
  • Raglan B, Cam-era monitoring site

    Raglan B

    Raglan B Cam-era station