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.

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

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

Diverting water changes a waterways natural flow

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

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

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.

Inanga are the predominant species in the modern whitebait fishery.

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.

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