Atmospheric analysis

A hot and steamy summer saw Kiwis heading down to rivers and lakes to cool off. But they weren’t the only ones enjoying the warmer weather – algae had a great time too.

This Statement of Corporate Intent (SCI) sets out NIWA's strategy for delivering against its core purpose over the next five years.

Kaharoa is capable of working throughout New Zealand's EEZ and further afield.

Accurate reporting on the amount of fish and invertebrates that are caught and discarded by New Zealand’s commercial fishing industry is vital to effective management of these fisheries.

Station height is in metres above mean sea level. Years of data are the number of complete years of data for the 1981 – 2010 period.

Ocean acidification is the name given to the lowering of pH of the oceans as a result of increasing carbon dioxide (CO2) in the atmosphere.

Reports produced by NIWA’s air quality research.

Once eels become migrants (also known as tuna heke or tuna whakaheke) they stop feeding, and progressively develop the external features that clearly distinguish them from 'feeders'.

New Zealand rushes (Juncus): species-level factsheets.

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

View annual, seasonal and monthly summaries of temperature, rainfall and sunshine data from across New Zealand.