The 3-panel Soil Moisture Deficit (SMD) map shows the historical soil moisture deficit at the date shown (left), the soil moisture deficit at the same time last year (middle) and the current soil moisture deficit (right).

The New Zealand Palaeotsunami Database (Database) brings together all known information about tsunamis that occurred prior to written records.

Because of its exposure to disturbed weather systems from the Tasman Sea, this climate zone is often quite windy, but has few climate extremes.

The majority of New Zealanders are able to recall a story about catching eels when they were children.

More information about our online freshwater databases.

Here are some simple steps to minimise the effects of dairying on water quality and mahinga kai.

Urbanisation has changed the face of many waterways that flow through urban areas

Understanding what happens above and below ground during a flooding event, and how it is different from normal rainfall conditions

A glossary of common climate change and meteorological terms.

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

Understanding how hazards impact people and the environment provides the foundation for informed decision making for a resilient Pacific.

NIWA provides national capabilities in Water Quality Monitoring.