Atmospheric analysis

The climate of this zone is greatly dependent on the lie of the massive Southern Alps to the west.

Heavy rainfall is one of the most frequent and widespread severe weather hazards to affect New Zealand.

Atlantis is a 3D, spatially-explicit, trophodynamic ecosystem model that integrates biology, physics, chemistry and human impacts to provide a synoptic view of marine ecosystem function.

New Zealand has low-lying coastal areas that are vulnerable to inundation (flooding) by the sea.

Information about past climate is obtained from piecing evidence together from various sources.

Confused about El Niño, or can't tell the difference between an Anticyclone and an Isobar? Let us help.

Temperature trends from 1930s to present day

About snapper eggs

All species of freshwater tuna spawn at sea, although the spawning grounds of only four species are known with certainty worldwide.

Ocean acidification is the name given to the lowering of pH of the oceans as a result of increasing carbon dioxide (CO2) in the atmosphere.

A summary of up-coming tropical cyclone seasons, issued 6-monthly.