Whitianga Wharf sea levels

RV Tangaroa is New Zealand’s only ice strengthened and dynamically positioned deep-water research vessel.

The world’s oceans are acidifying as a result of the carbon dioxide (CO2) generated by humanity.

Each waterway has its own particular characteristics relating to water flow, velocity, and quantity.

These datasets are available in a range of formats.

NIWA has developed a powerful software tool for the analysis of water quality data.

NIWA develops and supplies custom software for environmental analysis and modelling.

This is a sub-tropical climate zone, with warm humid summers and mild winters.

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.

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