Atmospheric analysis

Southland is both the most southerly and most westerly part of New Zealand and generally is the first to be influenced by weather systems moving onto the country from the west or south.

Dissolved oxygen (DO) is a relative measure of the amount of oxygen (O2) dissolved in water.

This is a sub-tropical climate zone, with warm humid summers and mild winters.

The coldest seawater on earth could help scientists understand why Antarctic sea ice is growing in a warming world

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?

CFCs have damaged the ozone layer and led to higher UV levels and increased health risks. Our role is to understand the causes and effects of ozone depletion, to inform the public of the risk.

This calculator estimates the solar energy that can be collected by a solar capture device (solar panel) at a given address, panel direction and roof slope.

Learn about different kinds of beachs and how they form, with diagrams and examples of each type.

When fresh water meets salty water - a classroom exercise that explores the physics of estuaries.

NIWA's state of the art Stable Isotope Mass Spectrometry (IRMS) facility supports our research and commercial analyses, providing tailor-made solutions for various environmental and atmospheric questions.

Methane (CH4) is the second most important greenhouse gas after CO2 that is produced by human activities.