Atmospheric analysis

How may the activities of the mining industry influence water resources?

These datasets are available in a range of formats.

How do nutrients from wastewater treatment enter waterways?

Compound specific stable isotope analysis techniques are an increasingly useful tool to address many ecological and environmental research questions.

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

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.

Tau kōura is a traditional Māori fishing method commonly used to harvest kōura or freshwater crayfish in areas where they are abundant.

Follow NIWA's scientists as they explore the natural world, make new discoveries and share how people use their science.

Providing educational resources to school students and teachers is part of NIWA's commitment to helping young New Zealanders discover more about science and technology.