Atmospheric analysis

NIWA discusses, in depth, this year's most asked question—what is happening to our fresh waterways?

Glass eels (about 5.5 to 7.0 cm) arrive in fresh water during spring, especially during September and October, although they may be present from July to December.

References, further reading, and links to useful websites.

When soils erode, sediments are washed into waterways.

The climate of this area is greatly dependent on its exposure to weather systems from the Tasman Sea and the lie of the Southern Alps to the east.

This weekly update helps assess likelihood of extremely dry weather preceding a drought.

A participatory project empowering communities with self-help tools to improve water, sanitation and hygiene.

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

Reports produced by NIWA’s air quality research.

Common questions about clouds, how they are formed and how they behave.

In comparison with regions exposed to the west, Gisborne experiences a greater number of weather and climatic extremes.

Pauanui North station