Atmospheric analysis

Digital copies of all our annual reports published since 2011.

In comparison to the vast span of geological time, the estuaries that we see today are very recent coastal features.

Maps of average annual rainfall, temperature and other climate variables have been produced for all of New Zealand, based on the period 1981–2010.

All species of freshwater tuna spawn at sea, although the spawning grounds of only four species are known with certainty worldwide.

Providing educational resources to school students and teachers is part of NIWA's commitment to helping young New Zealanders discover more about science and technology.

To prepare for changes in climate, our freshwater and oceans decision-makers need information on species vulnerability to climate change.

These datasets are available in a range of formats.

Damming water for urban use, hydro-electric power generation, irrigation, and other industrial and commercial uses.

An unavoidable delay in a research ship’s voyage to Antarctica resulted in some surprising and important findings about the behaviour of emperor penguins.

A list of some of the questions we get asked most frequently. If you don't see your question answered here, please get in touch.

Farmers are making business decisions everyday which are influenced by environmental factors. We can help farmers to improve decision-making, mitigate farm environment risk, and to become more productive, efficient, competitive and sustainable.