Atmospheric analysis

As much of this climate zone is sheltered by high country to the west, south and in some areas to the east, it is the sunniest region of New Zealand.

NIWA collects wave data, develops and verifies wave forecasting systems, and is developing and producing wave projections.

Instrument Systems is a specialised technology-focused consulting group within NIWA.

Atmospheric carbon dioxide (CO2) is measured continuously at Baring Head, providing the longest running record of this type in the Southern hemisphere.

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

Glass eels (about 5.5 to 7.0 cm) arrive in fresh water during spring, especially during September and October, although they may be present from July to December.

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

A range of physical and chemical variables are measured in the NRWQN.

NIWA makes available and regularly updates results from several greenhouse gas measurement projects.

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

The 2012-2013 drought affected the entire North Island plus the west coast of the South Island.