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.

  • Deidre Cleland

    Scholarships

    Scholarships available to both Masters and undergraduate students in the fields of fisheries science and marine biology.
  • Rig shark

    Research Project
    Rig shark is an important inshore commercial fish species in New Zealand, and we need to understand more about their habitats, movements, nursery grounds and vulnerability to human impacts to ensure they are managed sustainably and their productivity is enhanced.
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    What are greenhouse gases?

    Greenhouse gases are atmospheric gases that intercept long-wave (mainly infrared) radiation emitted from the Earth's surface.
  • The impact of El Niño and La Niña on New Zealand's climate

    El Niño accounts for less than 25 percent of the year-to year variance in seasonal rainfall and temperature at most locations in New Zealand.
  • Regional modelling of New Zealand climate

    Research Project
    Developing probabilistic scenarios of expected future regional climate changes.
  • Applying for vessel time

    Find out how you can have access to Earth Science NZ's research vessels to carry out marine research voyages.
  • Aquaculture Activities

    Shellfish gathering and farming take place in marine and freshwater environments.
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    Wastewater treatment activities

    Rural, urban, and suburban wastewater treatment methods.
  • Estuaries

    Education Resource
    An estuary is a partially enclosed body of water formed where freshwater from the land meets and mixes with saltwater from the ocean.
  • Chemical contamination and wastewater

    What are the potential sources of chemical contaminants in wastewaters?
  • Q&A - Bloomin' algae!

    Feature story
    A hot and steamy summer saw Kiwis heading down to rivers and lakes to cool off. But they weren’t the only ones enjoying the warmer weather – algae had a great time too.