Atmospheric analysis

About snapper eggs

Chatham Islands
Extremes of temperature are rare as the Chatham Islands are small land masses surrounded by sea. Rainfall is reliable and moderate with a winter maximum. The Chatham Islands are typified by windy and cloudy conditions, marked by rapid changes.
Average Rainfall and Temperature
Chatham Islands
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New Zealand faces a variety of hazards associated with undersea geological activity.

Instrument Systems is a specialised technology-focused consulting group within NIWA.

Developing probabilistic scenarios of expected future regional climate changes.

Find out more about free floating species.

Rig shark is an important inshore commercial fish species in New Zealand, and we need to understand more about their habitats, movements, nursery grounds and vulnerability to human impacts to ensure they are managed sustainably and their productivity is enhanced.

To prepare for changes in climate, our freshwater and oceans decision-makers need information on species vulnerability to climate change.

Greenhouse gases are atmospheric gases that intercept long-wave (mainly infrared) radiation emitted from the Earth's surface.

NIWA collects and manages significant amounts of New Zealand's environmental data, particularly in the climate, freshwater, marine and atmosphere domains.

Projections of how climate change is likely to affect New Zealand.

Various industries and land use activities have the potential to impact on water quality and mahinga kai unless properly managed.