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.

  • Dry stock farming activities

    Dry stock farms can cover large areas of hill-country grassland that may be steep and prone to erosion.
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    Graphing with Microsoft Excel

    How do I create a graph?
    Using Microsoft® Excel is easy because the Chart Wizard does all the work for you!
    Simply enter the data for your data table.
    Highlight the cells you want to graph.
    Click on the Chart Wizard icon on the Tool Bar.
    Select the chart type you want to use and click Next.
    Click Next to confirm the range of cells.
    Give your graph a title, label x- and y-axis and click Next.
    Click on the gridlines tab to remove or add gridlines.
    Click Finish and graph is complete!
    Help, my graph is too small!
    When the chart wizard creates your graph it will probably be too smal
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    Trawl fisheries bycatch

    Accurate reporting on the amount of fish and invertebrates that are caught and discarded by New Zealand’s commercial fishing industry is vital to effective management of these fisheries.
  • UV Index at Leigh - 17 October 2023

    Today's UV Index

    Today's UV Index
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    Kōaro

    Kōaro are excellent climbers and like clear, swiftly flowing, forested streams.
  • Deidre Cleland

    Scholarships

    Scholarships available to both Masters and undergraduate students in the fields of fisheries science and marine biology.
  • Daily climate maps

    These climate maps are updated daily and are based on data from our National Climate Database.
  • 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.
  • Antarctic diver and jellyfish

    Statement of Core Purpose

    The Statement of Core Purpose spells out why the Government owns Crown Research Institutes and what it expects from them.
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    Map N South

    Education Resource
    As much of this climate zone is sheltered by high country to the west, south and in some areas to the east, it is the sunniest region of New Zealand.
  • South coast waves

    Wave hazard research

    Research Project
    NIWA collects wave data, develops and verifies wave forecasting systems, and is developing and producing wave projections.