Atmospheric analysis

Rural, urban, and suburban wastewater treatment methods.

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

An estuary is a partially enclosed body of water formed where freshwater from the land meets and mixes with saltwater from the ocean.

Some commonly-asked questions about tornadoes in New Zealand.

View data that show reported target catch and estimated bycatch.

Raglan B Cam-era station

NIWA collects and manages significant amounts of New Zealand's environmental data, particularly in the climate, freshwater, marine and atmosphere domains.

NIWA offers a range of standard toxicity tests for both freshwater and marine environments.

Rig shark is an important inshore commercial fish species in New Zealand, and we need to understand more about their habitats, movements, nursery grounds and vulnerability to human impacts to ensure they are managed sustainably and their productivity is enhanced.

Forest plantations in Aotearoa can be found on flat, gently rolling, or very steep terrain.

Greenhouse gases are atmospheric gases that intercept long-wave (mainly infrared) radiation emitted from the Earth's surface.

What are the potential sources of chemical contamination from mining activities?