Atmospheric analysis

Passive Integrated Transponders (PIT) are used to tag fish (or any animal) for life.

A 42-day voyage to the Mertz Polynya region of Antarctica.

Trace gas datasets - naming conventions and data formats

Scientists set sail on NIWA's research vessel Kaharoa this week to film and explore many aspects of life in deep-sea habitats, and capture fish that are new to science, in the Kermadec Trench, northeast of New Zealand.

Our freshwater fauna are wonderfully diverse and, according to NIWA Freshwater Ecologist Dr Richard Storey, there's nothing among them that we need to be afraid of.

An experiment in Henderson Creek, Auckland, has demonstrated how tidal creeks variously import, export and deposit sediment, depending on the wind and freshwater runoff, and modulated by the tide.

The mako shark is fast and fascinating. The shortfin mako, Isurus oxyrinchus, has been recorded swimming at speeds of about 100km/h.

Whether you're at the beach, in the bach, on the boat or by the barbecue, summer holiday fun hinges on knowing when conditions outside will be favourable and not-so-favourable for the activities you have in mind.