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Canterbury Wave Conditions
Software Tool/ResourceNIWA run a computer model which simulates wave heights across the Canterbury continental shelf and along the coast. -
Regional modelling of New Zealand climate
Research ProjectDeveloping probabilistic scenarios of expected future regional climate changes. -
Lake Ōmāpere and the Utakura River
Tuna harvested from Lake Ōmāpere and Utakura River catchment have long comprised an important fishery for tangata whenua. -
Planning for coastal adaptation
ServiceCoastal risk exposure for New Zealand, adaptation guidance for local government and relevant summaries of previous court cases and Building Act 2004 determinations. -
Instream barriers and altered water flow
Instream barriers and diversions alter the natural flow of rivers, streams, and lakes. -
Tuna - diet
Longfin eels are the largest and longest-lived fish in New Zealand's freshwaters, and where they are present they are the top predator. -
Environmental Information Services
NIWA collects and manages significant amounts of New Zealand's environmental data, particularly in the climate, freshwater, marine and atmosphere domains. -
Climate change scenarios for New Zealand
Research ProjectProjections of how climate change is likely to affect New Zealand. -
Bay of Plenty
The topography of the North Island has a profound effect on the weather of the Bay of Plenty region.