A glossary of common climate change and meteorological terms.

There are different types of instrument available for measuring water level.

Freshwater eels have an unusual life cycle which sees them travelling between the ocean, estuaries and freshwaters.

NIWA provides national capabilities in Water Quality Monitoring.

We have a range of exciting career pathways with our professional Support Service.

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

Last Updated: July 2025

AQUA and TERRA are polar orbiting satellites that both pass over New Zealand twice per day.

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.

Impacts of mining on water quality and mahinga kai.

NIWA has working relationships with hundreds of organisations in New Zealand and overseas.