Atmospheric analysis

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

  • 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.
  • Toothfish life history

    Find out about the biology of the Antarctic toothfish.
  • Management of Antarctic fisheries

    Find out more about fisheries in the Southern Ocean, New Zealand's role, and fisheries management.
  • Antarctic fisheries research

    Research Project
    NIWA’s Antarctic fisheries research is allowing us to investigate possible effects of the longline Antarctic toothfish fishery on the toothfish population and on the local ecosystem.
  • Mysterious sounds in New Zealand’s Cook Strait

    NIWA has just deployed six acoustic moorings to eavesdrop on mysterious noise makers in the Cook Strait, New Zealand.