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

Coasts

NIWA aims to provide the knowledge needed for the sound environmental management of our marine resources.

Future Coasts Aotearoa

Investigating how we can successfully transform coastal lowlands threatened by relative sea-level-rise into prosperous communities.

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    The Deep South drives New Zealand’s future

    News article
    02 May 2013

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    Data with a bloody past has positive spin-off for endangered whale species

    News article
    29 April 2013
    Marine mammals

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    Moana - My Ocean

    A team of scientists from NIWA and four other organisations are taking part in the Three Kings Islands Marine Expedition,  recording the diversity of the marine life around these remote New Zealand islands. 

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    Fiordland’s Sea Pens

    Marine invertebrates

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    Fiordland’s depths reveal more new-to-science wonders

    News article
    02 April 2013

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    PIT tagger

    Passive Integrated Transponders (PIT) are used to tag fish (or any animal) for life.

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    Summer Series 7: Little squirts that hang out around the coast

    News article
    12 February 2013

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    New finds from the deep sea off New Zealand

    News article
    04 February 2013

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    NIWA's RV Tangaroa sets sail to study how Antarctica affects ocean currents

    News article
    30 January 2013
    A 42-day voyage to the Mertz Polynya region of Antarctica.
    Antarctica
    Oceans

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    Tidal creeks – connections between freshwater and saltwater

    Research Project
    An experiment in Henderson Creek, Auckland, has demonstrated how tidal creeks variously import, export and deposit sediment, depending on the wind and freshwater runoff, and modulated by the tide.

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    Ocean acidification

    Ocean acidification

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    Hitachi TM3000 Benchtop Scanning Electron Microscope