Atmospheric analysis

NIWA is developing numerical models for predicting how the morphology of braided rivers responds to flow regulation and invasive exotic woody vegetation.

NIWA is developing numerical models for predicting how the morphology of braided rivers responds to flow regulation and invasive exotic woody vegetation.

A weekly update describing soil moisture across the country to help assess whether severely to extremely dry conditions are occurring or imminent. 

This week we feature a community of critters living on the Chatham Rise sea floor.

This manual aims to provide the guidance needed to manage mangrove expansion, while maintaining the ecological integrity of estuaries and harbours.

As the Tasman Tempest headed east off New Zealand today, it’s time to look at the statistics and see how many records it washed away.

In this critter "quill" is not part of a feather but rather a unique tube built by a polychaete worm that lives in it.

A weekly update describing soil moisture across the country to help assess whether severely to extremely dry conditions are occurring or imminent.

Summer officially ends tomorrow but for Wellingtonians it feels like it’s only just getting started. NIWA meteorologist Ben Noll explains what went wrong.