RiskScape, a collaboration between NIWA and GNS Science with Natural Hazards Commission Toka Tū Ake, is a software application for analysing natural hazard consequences. RiskScape software provides a ...

Our vessels are world-class environmental monitoring and research platforms with the most stringent health and safety standards. We have more than 40 years of experience working in New Zealand’s ...

These pages provide an overview of the freshwater fish found in New Zealand, fact sheets for each individual species and links to other resources. The fact sheets provide some information on each ...

How healthy is your stream? SHMAK - the New Zealand Stream Health Monitoring and Assessment Kit - has been designed to help you find out. NIWA’s Stream Health Monitoring Assessment Kit (SHMAK) gives ...

Anyone can use the tool and provide data by using the survey available in the NIWA Citizen Science app. The survey/app provides a standardized way to record data on the characteristics of instream ...

Plants and trees along the water margins and banks are called riparian vegetation. A riparian buffer zone is a vegetated strip of land along the margins of a waterway. Riparian vegetation provides a ...

Go to online flood map ArcGIS tool Coastal flooding is a global hazard that also impacts Aotearoa New Zealand. Rising sea level is already causing more frequent flooding along many coasts and will ...

Our second edition (June 2024) guidelines have been expanded to include new sections on providing for fish passage at dams, flood pumping stations and examples of te ao Māori perspectives. Updates ...

A regional climatology is a summary of the typical weather and climate of a region, based on historical data observations made at climate stations located within the region.

The High Performance Computing Facility (HPCF) is supercharging New Zealand science—powering researchers working at the forefront of New Zealand’s greatest science challenges. Attribution, ...

ENSO-neutral conditions remain in place, and there is a 70% chance that ENSO-neutral conditions will continue during July-September 2025, followed by a 60% chance that ENSO-neutral will remain in ...

Forecasting sea surface temperatures several months in advance is challenging. To give us insights into what might happen around Aotearoa New Zealand in the months to come, NIWA scientists have ...