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 ...

Data stored in each record include the location of the sample site, sampling method and the fish species present, with many records also containing information on fish abundance and size, and a ...

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 ...

Drought forecasting dashboard The drought forecasting tool uses innovative climate modelling, the latest in machine learning and other data-driven techniques to predict rainfall 35 days ahead. Helping ...

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 ...

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 ...

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 ...

View annual, seasonal and monthly summaries of temperature, rainfall and sunshine data from across New Zealand. You might also be interested in our 'Seven-station' series temperature data. This ...

Te Kūwaha, NIWA’s National Centre for Māori Environmental Research is a dedicated Māori research team, with a vision to work in partnership with others to enable complementary knowledge systems to ...

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 Memoir (NBM) series comprises technical works that describe New Zealand’s invertebrate marine life—sponges, corals, hydroids, worms, molluscs, crustaceans, sea stars and ...