Atmospheric analysis

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.

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.

Glass eels (about 5.5 to 7.0 cm) arrive in fresh water during spring, especially during September and October, although they may be present from July to December.

Read about how NIWA can map any aspect of climate to help guide your organisation's response to a changing and variable climate.

The land used to produce crops is usually flat to gently rolling so it can be tilled, sowed, and harvested.

How may forestry activities increase sediments in waterways?

Plants and trees along the water margins and banks are called riparian vegetation.

If you list all the historic rainfall totals for a particular month and for a specific location, rank these from lowest to highest, then divide the list into ten equal parts, you have identified the ten rainfall deciles for that month and for that location.

Kaharoa is capable of working throughout New Zealand's EEZ and further afield.

Stormwater is a major concern for New Zealand because of its potential effects on the ecological health of our urban streams and coastal waters, as well as on the economic, social and cultural value of these environments.

Piharau/kanakana are an important mahinga kai species and a prized delicacy for many Māori.