Atmospheric analysis

AQUA and TERRA are polar orbiting satellites that both pass over New Zealand twice per day.

Measurements of snowfall at low elevations around New Zealand are few and far between, and yet the data would be really helpful in understanding how snowfall occurs and quantifying snow-related risks.

What are the potential sources of sediments from land use activities?

All aspects of the climate of Canterbury are dominated by the influence of the Southern Alps on the prevailing westerly airflows.

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

Whitianga Wharf sea levels

NIWA expends considerable effort on determining the age of commercial fish species. But why age a fish? And how do we do it?

RV Tangaroa is New Zealand’s only ice strengthened and dynamically positioned deep-water research vessel.

Each waterway has its own particular characteristics relating to water flow, velocity, and quantity.

Casal2 is an advanced software package developed by NIWA for modelling the population dynamics of marine species.