Atmospheric analysis

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

The climate of the Manawatu-Wanganui region is a reflection of the generally disturbed westerly air flow with interspersed anticyclones, modified in specific places by the local topography.

Plots of UV levels throughout the day at different locations.

Management of stream riparian areas - including vegetation and stock access - influences the health of streams and downstream water bodies.

NIWA's High Intensity Rainfall Design System (HIRDS) offers planners and engineers more certainty about the frequency of high-intensity rainfall events, enabling them to better design stormwater drainage, flood defence systems and other vital structures.

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

You can download these summaries in a range of formats.

NIWA's seafood sector work comprises our fish, fisheries and aquaculture research and consultancy.

Kaharoa is capable of working throughout New Zealand's EEZ and further afield.

Information about past climate is obtained from piecing evidence together from various sources.

Raglan B Cam-era station

NIWA develops and supplies custom software for environmental analysis and modelling.