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.

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    The formation of the Antarctic bottom water

    Blog
  • Careers - FAQs

    A list of some of the questions we get asked most frequently. If you don't see your question answered here, please get in touch.
  • Farming and the primary sector

    Farmers are making business decisions everyday which are influenced by environmental factors. We can help farmers to improve decision-making, mitigate farm environment risk, and to become more productive, efficient, competitive and sustainable.
  • 2019/2020 Blake Ambassadors

    Internships

     
  • Coconut palms against the night sky in Tongatapu

    Island Climate Update

    Publication series
    A monthly summary of the climate in the tropical South Pacific islands, with an outlook for the coming months.
  • Loss of riparian vegetation

    Plants and trees along the water margins and banks are called riparian vegetation.
  • Hydro

    Hydro-electricity is a renewable energy source that relies on the inflow of water into storage lakes upstream of a dam.
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    Mean daily maximum temperatures (°C)

    These datasets are available in a range of formats.
  • New Zealand from space

    This daily image of New Zealand from space was created using data from one of NASA's EOS satellites, collected at our receiving station in Lauder, Central Otago.
  • UV Index at Leigh - 16 October 2023

    Yesterday's UV Index

    Plots of UV levels throughout the day at different locations.
  • Estuary origins

    In comparison to the vast span of geological time, the estuaries that we see today are very recent coastal features.