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What are greenhouse gases?
Greenhouse gases are atmospheric gases that intercept long-wave (mainly infrared) radiation emitted from the Earth's surface. -
Estuaries
Education ResourceAn estuary is a partially enclosed body of water formed where freshwater from the land meets and mixes with saltwater from the ocean. -
UV Index Information
The UV Index is a measure of the intensity of UV radiation. The UV Index supersedes the idea of "Time to Burn" or "Burn Time", which has been used previously in New Zealand. -
Mining activities
A range of different mining techniques have been developed to obtain these valuable resources -
Fisheries stock assessments
To get the most benefit from a fish stock in the long term, we need to maximise our yield without damaging the fish population we rely on. -
Emperor penguin foraging behaviour revealed
Media release06 June 2017An unavoidable delay in a research ship’s voyage to Antarctica resulted in some surprising and important findings about the behaviour of emperor penguins. -
Electronic Weather Station - NIWA EWS
These gather top-quality data and are used throughout New Zealand in the National Climate Network. -
Tuna information resource
Tuna, or freshwater eels, are the most widespread freshwater fish in New Zealand. This 'living' educational resource summarises a large amount of scientific and technical literature. -
Science and Technology Fairs
NIWA is a major sponsor of the Auckland, Manukau City, North Harbour, Waikato, Wellington, Canterbury and Bay of Plenty – Science & Technology Fairs. -
Weather plots: temperature and relative humidity
Objective: to observe the relationship between temperature and relative humidity. -
Mountains in the Sea: the Louisville Seamount Chain
We are currently steaming out towards our survey area, the Louisville Seamount Chain, which is about 1500 km from Wellington.