Atmospheric analysis

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

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    First winter fisheries survey finds toothfish spawning in the Ross Sea

    News article
    At the edge of the advancing winter sea ice in the Ross Sea, a first-ever winter fisheries survey has uncovered new secrets of the Antarctic toothfish.
  • Scientists meet to discuss marine future

    Media release
    Marine scientists are proving they know that it takes good bait to catch a big audience.
  • Dear diary: A pioneer of meteorology

    Feature story
    The discovery of diaries of an English missionary living in Northland in the 1800s reveals him as New Zealand’s first meteorologist.
  • Warmest start to the year on record

    Media release
    The first six months of 2016 are set to be the warmest ever start to the year, according to NIWA’s long-term seven-station temperature series.
  • Record-breaking mid-winter warmth

    News article
    NIWA Meteorologist Ben Noll takes a north-to-south look at the record-breaking warm temperatures experienced by Kiwis during the winter solstice.
  • Availability of toothfish to predators – sea ice-based survey

    Sea ice-based toothfish surveys have been carried out in McMurdo Sound since 2014.
  • Antarctic fisheries research publications

    A bibliography of some of the journal papers and CCAMLR Working Group papers published about the toothfish fishery.
  • Spatial management of the Ross Sea

    The fishery is managed differently depending on the region and specific environmental protection and fishery management objectives in the region.
  • Ecosystem effects of fishing

    Find out about the role of toothfish in the ecosystem and the potential effects of fishing.
  • The Ross Sea shelf survey

    A survey series in the Southern Ross Sea was started in 2011 to index juvenile abundance.
  • Antarctic toothfish stock assessment

    CCAMLR sets annual catch limits, using a stock assessment model.
  • The toothfish fishery

    Find out more about the toothfish fishery, including its history, catch, sea ice influences and fishery operational requirements.