Atmospheric analysis

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

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    Statistical calculators

    Online statistics tools, including a detection calculator, a kappa calculator and a Lin's concordance calculator are now accessible as Python 3.x code stored in Github.
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    Measuring seawater chemistry on the Louisville Ridge

    Ocean chemistry is changing rapidly due to the influx of carbon dioxide to the atmosphere, largely from human activities including the combustion of fossil fuels.
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    NIWA flying helikite during balloon fiesta

    News article
    Among the colour and spectacle of this week's Wairarapa Balloon Fiesta will be a small but crucial flying contraption known as a helikite.
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    Scientists discover how low a fish can go

    News article
    Rarely seen fish caught in the Kermadec Trench have enabled scientists to better understand just how deep fish can survive in the ocean.
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    Sampling seamounts

    In this post we look at the tools we are using to undertake our survey of the seamounts on our voyage to the Louisville Seamount Chain.
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    Seafloor life on the Louisville seamounts

    The NIWA Deep Towed Imaging System (DTIS) enables us to capture video and still images of sea life on the ocean floor.
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    Workshop documents

    There are a number of documents that participants may wish to be familiar with prior to the workshop.
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    Scientists investigate tsunami potential in Kaikoura Canyon

    News article
    Scientists will be working off the east coast of the South Island next week investigating the potential for a landslide tsunami in the head of the Kaikoura Canyon.
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    New seamount research to improve fisheries management

    NIWA's research vessel Tangaroa left Wellington on 4 February to survey the seafloor environment of the Louisville Seamount Chain, which are large undersea mountains east of New Zealand.
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    Tangaroa voyage blog: Surveying the Louisville Seamount Chain

    A series of on-board blog posts written by the NIWA scientists aboard the RV Tangaroa as it surveys the Louisville Seamount Chain, large undersea mountains east of New Zealand.
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    Scientists spot rare blue whales off New Zealand coast

    News article
    Sightings of the whales, the world's largest animal, are rare and they remain one of the planet's most elusive creatures. They were intensively hunted during the whaling era in the Southern Hemisphere, dramatically reducing their numbers.
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    Public help sought as hammerhead shark does his bit for science

    News article
    People fishing in the Bay of Islands are being asked to keep a look out for a young hammerhead shark, nicknamed Orokawa.