Atmospheric analysis

Impacts of hydro-electric activities on water quality and mahinga kai.

The atmosphere is comprised of layers based on temperature. These layers are the troposphere, stratosphere, mesosphere and thermosphere.

Accurate reporting on the amount of fish and invertebrates that are caught and discarded by New Zealand’s commercial fishing industry is vital to effective management of these fisheries.

Tairua station

Once in freshwater, glass eels develop into darker pigmented juvenile eels known as elvers.

A carbon neutral activity is one that has a carbon footprint of zero.

Dairy farms operate to maximise milk production

How can mining activities influence sediments in waterways?

Climate data and common terms explaining the causes and effects of climate change.

A summary of up-coming tropical cyclone seasons, issued 6-monthly.

This is the standard precision instrument NIWA uses throughout New Zealand in the National Climate Network, and elsewhere, for rainfall measurement.

NIWA is today issuing some scientific information on the parasite Bonamia ostreae, recently discovered in Big Glory Bay, Stewart Island, and the risk it poses to the Bluff oyster fishery.