Atmospheric analysis

Coastal risk exposure for New Zealand, adaptation guidance for local government and relevant summaries of previous court cases and Building Act 2004 determinations.

Links to related resources and websites

Find out more about free floating species.

Measurements of snowfall at low elevations around New Zealand are few and far between, and yet the data would be really helpful in understanding how snowfall occurs and quantifying snow-related risks.

All aspects of the climate of Canterbury are dominated by the influence of the Southern Alps on the prevailing westerly airflows.

How can we help you?

Scientists exploring the Kermadec Trench believe they have retrieved the deepest ever sediment sample from the bottom of the ocean using a wire-deployed corer.

Downloadable and printable guides on identification of common freshwater invertebrates found in New Zealand waterways and lakes.

NIWA expends considerable effort on determining the age of commercial fish species. But why age a fish? And how do we do it?

Common questions about storms and cyclones in New Zealand.

Casal2 is an advanced software package developed by NIWA for modelling the population dynamics of marine species.