Atmospheric analysis

Waikato exhibits a range of climates due to the variety of landscapes in the region.

Understanding climate and climate change.

Some simple steps to minimise the effects of wastewater on water quality and mahinga kai.

An unavoidable delay in a research ship’s voyage to Antarctica resulted in some surprising and important findings about the behaviour of emperor penguins.

Descriptions of the common terms that explain the processes that occur in hydrology.

NIWA's Hydro Web Portal provides river flow and water quality monitoring data from NIWA’s Benchmark river monitoring network.

Virtual climate station estimates are produced every day, based on the spatial interpolation of actual data observations made at climate stations located around the country.

Raglan B Cam-era station

NIWA's research on freshwater monitoring and reporting is one of three research areas within the 'Values, Monitoring and Outcomes' (VMO) programme led by Landcare Research.

Learn how to use the New Zealand Freshwater Fish Database (NZFFD)

This manual prescribes a set of sampling and analysis protocols applicable to most of the common stream habitats in New Zealand.