I’m working on my story about the soldier and monk, so this will be a lazy post, just a link.
These ocean eddies aren’t physical black holes, of course and that’s good. Remember how Vulcan was destroyed in the 2009 reboot of Star Trek?
Apparently the numbers used to study them are quite similar.
It’s of note that Edgar Allan Poe’s “A Descent into the Maelstrom” is said to have inspired this research.