Atmospheric analysis

This system combines daily sea-level data from NIWA, regional councils, port companies, Antarctica NZ, Bureau of Meteorology and territorial authorities.

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Blooms of hazardous cyanobacteria (blue-green algae) in rivers, lakes and reservoirs can cause problems for both animal and human health.

The greenhouse effect is a warming of the earth's surface and lower atmosphere caused by substances which let the sun's energy through to the ground but impede the passage of energy from the earth back into space.

NIWA run a computer model which simulates wave heights across the Canterbury continental shelf and along the coast.

NIWA makes available and regularly updates results from several greenhouse gas measurement projects.

These datasets are available in a range of formats.

Returning water to our waterways after we’ve used it in our homes, on farms and in industry is a complex and challenging process.

Once in freshwater, glass eels develop into darker pigmented juvenile eels known as elvers.

A carbon neutral activity is one that has a carbon footprint of zero.

Plots of UV levels throughout the day at different locations.