The graph shows carbon dioxide (CO 2) levels measured at Baring Head, NIWA’s clean air station, near Wellington. This station has been running since 1972 and is home to the longest running continuous ...

These datasets are available in a range of formats.

The New Zealand Freshwater Fish Database (NZFFD) contains over 50,000 freshwater fish observations from across New Zealand from 1901 to the present.

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.

Find out more about working at NIWAWe know that our people are everything, and to produce top-quality science we need to attract, develop and retain the very best people. The National Institute of ...

Understanding our variable and changing climate is critical for managing resources and reducing risks.

The 3-panel Soil Moisture Deficit (SMD) map shows the historical soil moisture deficit at the date shown (left), the soil moisture deficit at the same time last year (middle) and the current soil ...

NIWA’s flagship programmes bring together experts, partners and technologies to tackle key environmental challenges and deliver solutions to help New Zealand build resilience and manage its ...

These guidelines have been developed to assist infrastructure designers and managers, waterway managers, environmental officers, iwi and local communities with understanding and promoting better ...

View annual, seasonal and monthly summaries of temperature, rainfall and sunshine data from across New Zealand.

On this page: People Species and ecosystems Economy and business Infrastructure Places New opportunities Researchers in New Zealand, and around the world, are beginning to understand the different ...

The NIWA Biodiversity Memoirs are comprehensive, definitive, illustrated reference works that capture the rigorous, peer-reviewed scientific study of New Zealand’s distinctive marine fauna and flora.