Rivers

Introducing NIWA sediment transport scientist Clare Wilkinson.

Research projects carried out under the Future Coasts programme

Research aim: Developing a suite of control tools

Research aim: Developing predictive models

Research aim: Understanding clam impacts

Learn more about the invasive freshwater gold clam

Find out more about the MBIE project

Specialists in the chemical analysis of rivers, lakes, oceans and streams

Deep beneath Waitomo’s rolling hills lies a maze of caves and underground rivers. Here, NIWA researchers braved the dark waters to measure the current and hunt for fishy invaders under the twinkle of the cave’s magical glowworms.

River flows in New Zealand have changed dramatically over the past 50 to 90 years as the climate has varied, a new study has found.

As the concerns over water resources and the environment increase, the importance of combined water management, which acknowledges the integrated nature of groundwater and surface water, and manages them as a single resource, is critical to sustain both human society and aquatic and terrestrial ecosystems.

Nearly half of New Zealand’s river network is partially or fully inaccessible to migratory fish, a new study shows.