Atmospheric analysis

Water clarity or turbidity is the cloudiness or haziness in a fluid caused by individual small particles (suspended solids).

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

Information about climate and weather and links to climate-related websites.

PPM and PPB are units used in atmospheric chemistry to describe the concentration of gases.

There are different types of instrument available for measuring water level.

This manual prescribes a set of sampling and analysis protocols applicable to most of the common stream habitats in New Zealand.

Sometimes wind can feel like a bit of a mystery because we can feel it, but not see it.

Dairy farms operate to maximise milk production

How can mining activities influence sediments in waterways?

If you list all the historic rainfall totals for a particular month and for a specific location, rank these from lowest to highest, then divide the list into ten equal parts, you have identified the ten rainfall deciles for that month and for that location.

The kākahi or freshwater mussel was a valuable mahinga kai resource for many Māori.