Briny

Scientists believe water on Mars would be briny because past landers and rovers, as well as Martian meteorites, have shown that the planet's surface is salty.

on the briny deep

[Julian] Barnes wrote “Nothing to Be Frightened Of” when he was 62. He just turned 80. This briny English writer, author of “Flaubert’s Parrot” (1984) and a winner of the Booker Prize, for “The Sense of an Ending” (2011), now has a rare form of blood cancer, treatable but exhausting and uncurable.

I thought I would go to the sea and shrink down very tiny / And slide inside the telephone wire that runs under the briny