Atmospheric analysis

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

We are currently steaming out towards our survey area, the Louisville Seamount Chain, which is about 1500 km from Wellington.

The climate of the Manawatu-Wanganui region is a reflection of the generally disturbed westerly air flow with interspersed anticyclones, modified in specific places by the local topography.

NIWA's educational resources and scientific data are tools for young people to learn about science.

Tuna is a generic Māori word for freshwater eels. The word will be used interchangeably in this resource.

Biogas from pig farms

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.

This system combines daily sea-level data from NIWA, regional councils, port companies, Antarctica NZ, Bureau of Meteorology and territorial authorities.

Blooms of hazardous cyanobacteria (blue-green algae) in rivers, lakes and reservoirs can cause problems for both animal and human health.