Atmospheric analysis

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

Monthly climate summaries from December 2001 to the present.

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.

The Standardised Precipitation Index (SPI) is a simple measure of drought (and also of very wet conditions) and is based solely on the accumulated precipitation for a given time period.

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

Dataset available for download

Submerged plants have a number of advantages that favour their use as indicators of lake ecological condition.

NIWA has developed a powerful software tool for the analysis of water quality data.

A regional climatology is a summary of the typical weather and climate of a region, based on historical data observations made at climate stations located within the region.

NIWA develops and supplies custom software for environmental analysis and modelling.

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.