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).

This calculator estimates the solar energy that can be collected by a solar capture device (solar panel) at a given address, panel direction and roof slope.

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

Inanga are the predominant species in the modern whitebait fishery.

Impacts of timber processing activities on water quality and mahinga kai.

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

In this activity you will analyse the Southern Oscillation Index and investigate the chances of getting below normal, normal or above normal summer temperatures in Invercargill.

More information about our online freshwater databases.

Extremes of temperature are rare as the Chatham Islands are small land masses surrounded by sea.

New Zealand faces a variety of hazards associated with undersea geological activity.

NIWA is doing a nationwide study to discover what makes the best riparian projects. Help us give you the knowledge to make the best riparian management decisions possible by taking our 5 minute survey.

The scientific records of palaeotsunamis to have affected New Zealand shores can now be accessed in a new one-stop information shop.