Atmospheric analysis

Technical information about our datasets and methodology along with related resources.

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.

We have a range of exciting career pathways with our professional Support Service.

Sheltered by high country to the west, the eastern zone of the North Island enjoys a dry, sunny climate.

Dissolved oxygen (DO) is a relative measure of the amount of oxygen (O2) dissolved in water.

Generally speaking, a drought is defined as a rainfall deficit which restricts or prevents a human activity – for example, farming or power generation.

Projections of how climate change is likely to affect New Zealand.

Up-to-date drought indicator maps are shown here.

Wastewater treatment is the separation and extraction of solid waste from liquid waste, and the removal of nutrients and pathogens.

What are the potential sources of chemical contamination from aquaculture activities?

This calculator estimates the solar energy that can be collected by a solar capture device (solar panel) at a given address, panel direction and roof slope.