A glossary of common climate change and meteorological terms.

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

The main characteristic of the Marlborough climate is its dryness. Summer droughts are frequent, and the region is often swept by warm, dry northwesterlies.

NIWA provides national capabilities in Water Quality Monitoring.

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

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

Annual Climate Summaries from 2000 to present.

Impacts of mining on water quality and mahinga kai.

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