Atmospheric analysis

Objective: to observe the relationship between temperature and relative humidity.

Sometimes wind can feel like a bit of a mystery because we can feel it, but not see it.

The majority of New Zealanders are able to recall a story about catching eels when they were children.

More information about our online freshwater databases.

As this region is sheltered by high country to the south and east, it has less wind than many other parts of New Zealand.

NIWA makes a range of trace gas data freely available on our FTP site.

NIWA collects a vast range of environmental information about New Zealand’s environment from the sky to the seafloor.

NIWA is today issuing some scientific information on the parasite Bonamia ostreae, recently discovered in Big Glory Bay, Stewart Island, and the risk it poses to the Bluff oyster fishery.

How do nutrients from wastewater treatment enter waterways?

To get the most benefit from a fish stock in the long term, we need to maximise our yield without damaging the fish population we rely on.

Learn how to use the New Zealand Freshwater Fish Database (NZFFD)