Atmospheric analysis

Common questions about storms and cyclones in New Zealand.

West Coast is New Zealand’s wettest region, and this may be attributed to its exposure to the predominant westerly airflow over the country, combined with the orographic effect of the Southern Alps.

Tuna are found in all sorts of habitats (places), including coastal estuaries, lakes, wetlands, rivers, mountain streams and even alpine tarns.

How may the activities of the mining industry influence water resources?

These datasets are available in a range of formats.

The current method for calculating wind speed-up is inadequate, and can grossly under-predict correct design wind speeds in NZ's complex terrain.

An illustrated example, showing how to input data and interpret SolarView results.

The kākahi or freshwater mussel was a valuable mahinga kai resource for many Māori.

The NIWA library collection contains items in a range of formats, covering subjects including atmospheric and climate research, aquaculture, oceanography, fisheries and marine sciences.

These datasets are available in a range of formats.

Drought is a common feature of New Zealand's climate. On average, every year or two somewhere in New Zealand experiences a drought.