Atmospheric analysis

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.

Ideas for projects using climate data

The 3-panel Soil Moisture Deficit (SMD) map shows the historical soil moisture deficit at the date shown (left), the soil moisture deficit at the same time last year (middle) and the current soil moisture deficit (right).

The need to provide upstream passage facilities for ensuring the long term sustainability of migratory freshwater fish populations is now well recognised.

Useful information and resources on New Zealand's marine flora and invertebrate fauna.

Some simple steps to minimise the effects of aquaculture activities on water quality and mahinga kai.

The largest member of the Galaxiidae family.

Identifying biological factors that may be limiting fish numbers requires sampling to ensure that key invertebrate prey species are not scarce and that pest fish, especially predators, are not abundant.

More information about NIWA's UV Atlas

How does urbanisation increase sediments in waterways?

We provide an overview of New Zealand climate data for use in school projects.

Submerged plants have a number of advantages that favour their use as indicators of lake ecological condition.