Atmospheric analysis

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

Charts of coastal bathymetry, sediment, and other information are available for purchase.

Tornadoes, like the one that hit Auckland's western suburbs today, are relatively rare events in New Zealand.

Technical information about our datasets and methodology along with related resources.

Wastewater treatment is the separation and extraction of solid waste from liquid waste, and the removal of nutrients and pathogens.

What are the potential sources of chemical contamination from aquaculture activities?

Defining drought and identifying its causes and impacts on humans.

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