Scientists using satellite data have discovered an unusual long-lasting, whirlpool-like ocean eddy that generated a dramatic increase in the marine food supply off the Hawaiian coast in 1999.

The giant ocean eddy that cooled Sydney's shores a year ago has been superseded by another 300 km diameter giant. The cold water at the new eddy’s center has welled up about 500m from the ocean ...

The giant ocean eddy that cooled Sydney's shores a year ago has been superseded by another 300 km diameter giant. CSIRO Wealth from Oceans National Research Flagship scientist, Dr David Griffin ...

The giant ocean eddy that cooled Sydney's shores a year ago has been superseded by another 300 km diameter giant.

Scientists using NASA and other satellite data discovered an unusual long-lasting, whirlpool-like ocean eddy that generated a dramatic increase in the marine food supply off the Hawaiian coast in ...

Ocean eddy currents are driving extreme heat and cold events in the deeper sea, home to the world’s most abundant animal and its largest migration.

You can think of an ocean eddy as something like an underwater tornado with two ends. The swirling water is sped along the twisting vortex, pushing it from one spot in the ocean to another.

Reaching to a depth of more than 1000m, the 200km diameter ocean eddy has a rotational period of about seven days. Its centre is about 100km directly offshore from Sydney.

During the Simons Collaboration on Ocean Processes and Ecology (SCOPE) Eddy Experiment in March and April 2018, researchers used satellite imaging to locate an eddy north of the Hawaiian Islands.