Use the tabs at the top right to access this site's three components:

The JOA application with user guide and online guided tour.
Go to JOA application page to download

The JOA data set, including pre-WOCE data, WOA data, data for the DPO JOA Examples, and more.
Go to JOA data page

The DPO JOA Examples accompaniment to the textbook
Descriptive Physical Oceanography: An Introduction (Sixth Edition) .
Go to The DPO JOA Examples