Atmospheric analysis

A tsunami reporting station situated in the Pacific Ocean that is currently off line is to be upgraded in a joint operation involving New Zealand and United States government agencies.

NIWA vessel RV Tangaroa visted Kaikōura in September 2017 to investigate the impacts of the earthquake in the coastal zone, which includes effects on rocky reef habitats and communities, pāua fishery and Hector’s dolphins.

A dramatic change in sea ice this year is likely to hamper a NIWA-led research project aiming to better understand how ice shelves will melt as the ocean warms.

An air flow extending from Australia on Thursday and Friday may bring near-record warmth to parts of the interior South Island, says NIWA forecaster Ben Noll. A large area of high pressure to the northwest of New Zealand will help steer this warm air across the Tasman Sea.

Read NIWA's 2016/17 Annual Report

Southwest Pacific Tropical Cyclone Outlook: Near-normal season expected, but with increased activity west, reduced activity east

A new online survey is forming the basis of the National Riparian Restoration Database, which will help scientists to improve understanding of how riparian buffers benefit waterways.
Take the survey

A decade of scientific research into how ocean acidification is affecting New Zealand waters has led to far greater understanding of the vulnerability of our marine ecosystems, according to a newly published review.

The term “joined-up government” was coined in the late 1990s to describe the coordination modern governments need to deal with large problems.

The spread of Bonamia ostreae from Marlborough Sounds to oyster farms in Big Glory Bay (Stewart Island) could spread to the valuable wild oyster population.

Autumn and winter rain caused damaging floods and slips across New Zealand, yet again. Susan Pepperell investigates the nation's evolving skill in avoiding and coping with water.

The Deep South National Science Challenge is one of New Zealand’s most audacious collaborative projects in recent times.