Atmospheric analysis

The climate of Otago is perhaps the most diverse of any region in New Zealand.

NIWA has recently created synthetic, multi-year, 10-minute wind datasets at 15 wind farm sites across New Zealand. These will be used by the Electricity Commission to model the impact of wind farms on the national grid.

Dry stock farming consists predominantly of pasture grazing beef cattle, sheep, and deer for meat, wool, and velvet production.

Longfin eels are the largest and longest-lived fish in New Zealand's freshwaters, and where they are present they are the top predator.

A hot and steamy summer saw Kiwis heading down to rivers and lakes to cool off. But they weren’t the only ones enjoying the warmer weather – algae had a great time too.

Atmospheric carbon dioxide (CO2) is measured continuously at Baring Head, providing the longest running record of this type in the Southern hemisphere.

Check out UV index forecasts for locations in New Zealand (including ski fields), Australia, the Pacific and Antarctica.

Management of stream riparian areas - including vegetation and stock access - influences the health of streams and downstream water bodies.

There are many lines of evidence showing that NZ has warmed during the past century.

Grey mullet have a worldwide distribution and Aotearoa is at the southern limit of their range.

Nutrients in waterways are essential for the growth of algae and aquatic plants but too much can destroy an ecosystem.