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Coldest seawater discovered
Feature story06 June 2017The coldest seawater on earth could help scientists understand why Antarctic sea ice is growing in a warming world -
Charts
Publication seriesCharts of coastal bathymetry, sediment, and other information are available for purchase. -
Multibeam swath system
Hull-mounted on the RV Tangaroa, the EM302 multibeam echosounder maps the seafloor using a fan of 288 acoustic beams, producing up to 864 soundings per ping in dual swath mode, providing 100% coverage of the seabed. -
Splendid Sponges
An interactive guide to the sponges of New Zealand. -
What is ocean acidification?
Education ResourceOcean acidification is the name given to the lowering of pH of the oceans as a result of increasing carbon dioxide (CO2) in the atmosphere. -
Population modelling software
Casal2 is an advanced software package developed by NIWA for modelling the population dynamics of marine species. -
White sharks
Research ProjectWhere and when do white sharks occur in New Zealand waters, and how can fisheries bycatch be reduced? -
New Zealand bathymetry - Further information
Technical information about our datasets and methodology along with related resources. -
Critter of the Week: The Gorgon’s Head - Gorgonocephalus
A basket star was the first reported animal trawled up from the deep sea back in the early 1800s so they have a spot in the history books of deep ocean exploration. -
Identification guides
Useful information and resources on New Zealand's marine flora and invertebrate fauna.