Atmospheric analysis

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

  • The impact of El Niño and La Niña on New Zealand's climate

    El Niño accounts for less than 25 percent of the year-to year variance in seasonal rainfall and temperature at most locations in New Zealand.
  • Development of sustainable water supply and treatment systems for a coastal Fijian village

    Research Project
    This collaborative NZaid project worked with coastal Fijian villagers at Votua on the Coral Coast of Viti Levu to develop pragmatic water supply and waste treatment solutions to protect public health and reduce contamination of coastal waters.
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    Water resources and mining

    How may the activities of the mining industry influence water resources?
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    Mean 10cm earth temperature (°C)

    These datasets are available in a range of formats.
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    Mitigation and best practice options

    Some simple steps to minimise the effects of mining activities on water quality and mahinga kai.
  • Q&A - Bloomin' algae!

    Feature story
    A hot and steamy summer saw Kiwis heading down to rivers and lakes to cool off. But they weren’t the only ones enjoying the warmer weather – algae had a great time too.
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    Mussels: more, fresher, better

    Feature story
    The seafood counter at your local supermarket has changed.
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    Further reading

    References, further reading, and links to useful websites.
  • Manawatu-Wanganui

    The climate of the Manawatu-Wanganui region is a reflection of the generally disturbed westerly air flow with interspersed anticyclones, modified in specific places by the local topography.
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    Flooding - how does it happen?

    Education Resource
    Understanding what happens above and below ground during a flooding event, and how it is different from normal rainfall conditions
  • “Very rare find” of ghost shark hatchling

    Media release
    NIWA scientists have made the rare discovery of a days-old ghost shark during a recent survey off the east coast of the South Island.
  • Library

    Service
    The NIWA library collection contains items in a range of formats, covering subjects including atmospheric and climate research, aquaculture, oceanography, fisheries and marine sciences.