Atmospheric analysis

RV Tangaroa is New Zealand’s only ice strengthened and dynamically positioned deep-water research vessel.

One of the major consequences of climate change is rising global sea levels.

Each waterway has its own particular characteristics relating to water flow, velocity, and quantity.

Dry stock farming consists predominantly of pasture grazing beef cattle, sheep, and deer for meat, wool, and velvet production.

Learn about different kinds of beachs and how they form, with diagrams and examples of each type.

Some commonly-asked questions about tornadoes in New Zealand.

View data that show reported target catch and estimated bycatch.

This national GIS ‘layer’ enables reconnaissance-scale estimation of suspended-sediment yields from New Zealand’s rivers and streams. It has been developed by NIWA in collaboration with Landcare Research.

Estuaries are at the bottom of the freshwater drainage network and, effectively, are a part of it.

There are two species of kōura or freshwater crayfish in Aotearoa.

Waterways can easily become contaminated by pathogens when effluent is discharged nearby.