Atmospheric analysis

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

Raglan B Cam-era station

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

Short-term to long-term data estimation

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.

The High Performance Computing Facility (HPCF) is supercharging New Zealand science.

These datasets are available in a range of formats.

The coldest seawater on earth could help scientists understand why Antarctic sea ice is growing in a warming world

How healthy is your stream? SHMAK - the New Zealand Stream Health Monitoring and Assessment Kit - has been designed to help you find out.

Submerged plants have a number of advantages that favour their use as indicators of lake ecological condition.

One of the most common species of freshwater fish in Aotearoa is the common bully or toitoi.