Atmospheric analysis

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

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    Intermediate - Low tide terrace

    Low tide terrace beaches are composed of fine to medium sand and have a moderately steep beach face joined to an attached bar or shallow terrace that is often exposed at low tide.
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    Intermediate - Transverse bar and rip

    Bars transverse (perpendicular) to and attached to the beach separated by distinct rip troughs at 150-300 m spacing.
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    Intermediate - Rhythmic bar and beach

    Rhythmic bar and beach are high energy beaches that consist of a rhythmic (undulating) bar, trough and beach.
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    Intermediate - Longshore bar and trough

    Longshore bar and trough beaches consist of a shore parallel bar separated from the beach by a deep trough.
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    Reflective

    Reflective beaches have the lowest wave energy of the wave-dominated beaches (breakers 0-1 m high).
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    Coast Care

    Coast Care provides an opportunity for local communities to get involved in the management and protection of their local coastal area and address environmental issues with their beaches.
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    Beach profile monitoring

    Beach profile monitoring is usually undertaken as survey transects running shore normal from the dune to the low water mark. It provides information that can be used to assess whether a shoreline is eroding or accreting.
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    Coastal types

    The coastal type classification describes the coast in terms of exposure, the type of foreshore sediment, inland and coastal geography.
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    NIWA survey reveals deep water canyons off Otago coast

    News article
    NIWA's has mapped the seabed off the coast of Otago, revealing the structure of nine canyons in the Great South Basin. This survey is providing new information about geological processes in the region as well as clues to what types of life might exist on the seafloor. 
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    Quantum Map - licence

    NIWA Quantum Map is developed by Sourcepole for NIWA, based on Quantum GIS and is released under the same licence and conditions as Quantum GIS.
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    NIWA seafloor mapping of Auckland’s doorstep

    News article
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    NIWA spies discover big birds take midwinter holidays

    News article