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.

Common questions about storms and cyclones in New Zealand.

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

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

Land is tilled, sowed, and harvested for horticultural crops to grow.

Diverting water changes a waterways natural flow

Write a report, with guided questions, to answer the question: “How cold is the Antarctic?”

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

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.

River floods occur when water spills from a river channel onto land that is normally dry, and are one of New Zealand's costliest natural hazards.

Inanga are the predominant species in the modern whitebait fishery.

Impacts of timber processing activities on water quality and mahinga kai.