Atmospheric analysis

Chemical contaminants are chemicals toxic to plants and animals in waterways.

Currently, the most reliable method to estimate the age of tuna is by examination of their otoliths or "ear bones"

New Zealand has just experienced its warmest winter on record, according to official NIWA climate data.

NIWA scientists have made the rare discovery of a days-old ghost shark during a recent survey off the east coast of the South Island.

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

These datasets are available in a range of formats.

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

The Standardised Precipitation Index (SPI) is a simple measure of drought (and also of very wet conditions) and is based solely on the accumulated precipitation for a given time period.

An illustrated example, showing how to input data and interpret SolarView results.

The kākahi or freshwater mussel was a valuable mahinga kai resource for many Māori.

The NIWA library collection contains items in a range of formats, covering subjects including atmospheric and climate research, aquaculture, oceanography, fisheries and marine sciences.