Atmospheric analysis

Nutrients, sediment, and microbial contaminants are mobilized from urban and agricultural landscapes and enter streams, rivers, lakes and estuaries. These contaminants can degrade water quality, ecological health, and cultural values.

NIWA proudly owns and operates RV Tangaroa, a 70 m Ice Class scientific platform.

NIWA meteorologists say people living in the lower North Island and eastern South Island are likely to get the best views of the Matariki star cluster during the upcoming weekend.

The Tongan volcanic eruption may be responsible for New Zealand’s unusually vibrant sunrises and sunsets, say NIWA scientists.

These booklets help provide guidance on the cultivation and restoration of native submerged macrophytes for environmental rehabilitation initiatives in freshwater and saltwater environments.

A new tool giving near real-time snow data has been made available to the public for the first time.

NIWA has updated and restarted a course using a riparian planning tool developed by one of its former chief scientists more than 20 years ago.

Estuaries are coastal waterbodies where freshwater mixes with seawater. Many estuaries in Aotearoa New Zealand have been impacted by pollutants and contaminants entering via freshwater.

From scallop beds to trawl nets, a little bit of data science can make a big difference. Melissa Bray explains.

The tiny ear bone of a fish holds a wealth of information. Gather enough and you get a snapshot of what’s happening beneath the waves. Stuart Mackay explains.

Jessica Rowley talks to three NIWA researchers trying to piece together what’s happening to the world’s largest ice shelf.

A fish has been caught in the same location that it was tagged, nearly 20 years ago to the day.