The water warms up pretty quick at shallow regions. (mommyniri.com)
Postscript: Scientists at the Naval Research Laboratory, analyzing seabed currents and mud movement after the passage of Hurricane Ivan in 2004, have concluded that the underwater turbulence from hurricanes could be severe enough to cause mudslides and possibly imperil pipelines on the seafloor in shallow regions of the Gulf of Mexico. (dotearth.blogs.nytimes.com)
As a result, they must extrapolate deep rock clues from shallow region data. (scientificamerican.com)