Atmospheric analysis

There are many lines of evidence showing that NZ has warmed during the past century.

Hydro-electricity is a renewable energy source that relies on the inflow of water into storage lakes upstream of a dam.

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

You can download these summaries in a range of formats.

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.

Stormwater is a major concern for New Zealand because of its potential effects on the ecological health of our urban streams and coastal waters, as well as on the economic, social and cultural value of these environments.

NIWA discusses, in depth, this year's most asked question—what is happening to our fresh waterways?

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

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

Virtual climate station estimates are produced every day, based on the spatial interpolation of actual data observations made at climate stations located around the country.

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