Per Data policy, data in Pangaea are published in Open Access under a CC-by license.
A few data sets are password protected on request of the author. In this case the data can be accessed via a login which is available from the author.
The license is explicitly defined in the meta data.
In data sets with status valid (or less) the license is not shown.
Available from the License pop-up menue on the data sets Config card are: