Atmospheric analysis

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?

Defining drought and identifying its causes and impacts on humans.

Sea surface temperatures in the southern Tasman Sea rose to exceptionally high levels in late 2017 and early 2018. These temperatures were far above any others previously observed at that time of year in the region, and extended west from New Zealand to Tasmania and mainland southeast Australia.

Pauanui South Cam-era station

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

The land used to produce crops is usually flat to gently rolling so it can be tilled, sowed, and harvested.

How may forestry activities increase sediments in waterways?

We can supply a wide range of weather or climate monitoring instruments from single parameter sensors to fully equipped and installed climate stations.

NIWA is managed by an Executive Team reporting to the Chief Executive Officer. Science and operational matters are handled by two sub-groups.

ESNZ's High Intensity Rainfall Design System (HIRDS) offers planners and engineers more certainty about the frequency of high-intensity rainfall events, enabling them to better design stormwater drainage, flood defence systems and other vital structures.