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Analysis of water quality trends
NIWA has developed a powerful software tool for the analysis of water quality data. -
What are greenhouse gases?
Greenhouse gases are atmospheric gases that intercept long-wave (mainly infrared) radiation emitted from the Earth's surface. -
Other vessels
FacilityNIWA operates about 30 other Maritime New Zealand-certified vessels based at Bream Bay, Auckland, Hamilton, Rotorua, Turangi, Wellington, Nelson, Greymouth, Tekapo, Christchurch, and Dunedin. -
Trace gas datasets
ServiceNIWA makes a range of trace gas data freely available on our FTP site. -
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. -
Mitigation and best practice options
Here are some simple steps to minimise the effects of dairying on water quality and mahinga kai. -
Tuna - freshwater eels in New Zealand
Tuna is a generic Māori word for freshwater eels. The word will be used interchangeably in this resource. -
What is the greenhouse effect?
Education ResourceThe greenhouse effect is a warming of the earth's surface and lower atmosphere caused by substances which let the sun's energy through to the ground but impede the passage of energy from the earth back into space. -
Map Sw North
Education ResourceBecause of its exposure to disturbed weather systems from the Tasman Sea, this climate zone is often quite windy, but has few climate extremes.