CTD data indicate that the bottom boundary layer in a region of the western North Atlantic near 40N 62W is a distinct body of relatively cold (θ < 1.82°C), fresh (S < 34.894‰) water. This region is a strip ~ 100 km wide aligned approximately along isobaths centered near the 4900 m isobath on the continental margin near its base....
Weatherly, Georges L., and Edward A. Kelly. 1982. "Too cold' bottom layers at the base of the Scotian Rise." Journal of Marine Research 40, (4). https://elischolar.library.yale.edu/journal_of_marine_research/1616