Atmospheric analysis

NIWA has been using advanced scientific instruments to measure atmospheric trace gases and isotopes for over 50 years.

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    TAN2502 voyage update – 4 February 2025

    The latest update from TAN2502 Ross Sea RV Tangaroa “ACTUATE” Voyage
    Antarctica
    Vessels

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    Golden elegant enigma seeks ‘2025 Bug of the Year’ crown 

    Media release
    03 February 2025
    A short-lived, strikingly stunning native mayfly known to fly-fishers and aquatic admirers yet seldom seen by the public may have its time in the spotlight this month as a nominee for the 2025 New Zealand Bug of the Year.
    Freshwater
    Freshwater invertebrates

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    TAN2502 voyage update – 31 January 2025

    Media content
    The latest update from TAN2502 Ross Sea RV Tangaroa “ACTUATE” Voyage
    Antarctica
    Oceans

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    IMG_8372, native plants in muka.JPG

    RotoTurf: Aquatic plant ‘life rafts’ in degraded lakes

    A team of NIWA freshwater ecologists are researching the use of biodegradable plant mats to help reintroduce native aquatic plants to degraded freshwater lakes in Aotearoa-New Zealand.
    Freshwater quality
    Freshwater restoration
    Lakes

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    species selector cover image

    RotoTurf Macrophyte Species Selector

    Software Tool/Resource
    A tool to select aquatic plant species that will support restoration of degraded freshwater.

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    TAN2502 voyage update – 28 January 2025

    Media content
    The latest update from TAN2502 Ross Sea RV Tangaroa “ACTUATE” Voyage
    Antarctica
    Vessels

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    TAN2502 voyage update - 24 January 2025

    The latest update from TAN2502 Ross Sea RV Tangaroa “ACTUATE” Voyage
    Antarctica
    Coasts and Oceans
    Oceans

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    Mountains to the sea - Rangitata River - H Biggs

    Science sector reforms

    Media release
    23 January 2025
    The Prime Minister today announced major changes to the New Zealand science sector.

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    One of the first icebergs spotted

    TAN2502 voyage update - 20 January 2025

    The latest update from TAN2502 Ross Sea RV Tangaroa “ACTUATE” Voyage

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    TAN2502 voyage update - 17 January 2025

    The latest update from TAN2502 Ross Sea RV Tangaroa “ACTUATE” Voyage
    Antarctica

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    Tangaroa boxes in an active acoustic mooring in Terra Nova Bay in the Ross Sea.

    Antarctic voyage to venture further south than ever before

    News article
    14 January 2025
    Thirty eight scientists and crew have set sail this week for Antarctica on NIWA’s research vessel Tangaroa, with the aim of going as far south as the Ross Ice Shelf - a first for the ship.

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    Kaharoa II

    New fisheries research vessel gearing up for work

    Media release
    09 January 2025
    NIWA’s new research vessel, Kaharoa II, will be conducting ten days of sea trials out from Nelson, starting this week.