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

NIWA is a major sponsor of the Auckland, Manukau City, North Harbour, Waikato, Wellington, Canterbury and Bay of Plenty – Science & Technology Fairs.

Objective: to observe the relationship between temperature and relative humidity.

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.

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

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All transmissions from GMS-5 are no longer received at NIWA’s satellite reception station in Wellington. We are working on an alternative data feed and will be able to bring back these images later this year. Once we start receiving data again, it will then be calibrated, re-mapped onto standard map projections, and archived.

Smelt have a distinctly forked tail and a strong cucumber smell.

Damming water for urban use, hydro-electric power generation, irrigation, and other industrial and commercial uses.

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

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

The world’s oceans are acidifying as a result of the carbon dioxide (CO2) generated by humanity.