Bathymetry and Geological Setting of the Drake Passage

Bohoyo, F.; Larter, R.D.; Galindo-Zaldivar, J.; Leat, P.T.; Maldonado, A.; Tate, A.J.; Gowland, E.J.M.; Arndt, J.E.; Dorschel, B.; Kim, Y.D.; Hong, J.K.; Flexas, M.M.; Lopez-Martinez, J.; Maestro, A.; Bermudez, O.; Nitsche, F.O.; Livermore, R.A.; Riley, T.R.. 2016 Bathymetry and geological setting of the Drake Passage. BAS GEOMAP 2 Series. Cambridge, British Antarctic Survey.

This single-sided map of the geology and bathymetry of the Drake Passage represents an international collaborative effort coordinated by the Spanish Geological Survey (IGME) and the British Antarctic Survey (BAS), working together with the Korea Polar Research Institute (KOPRI), the Alfred Wegener Institute (AWI) and the United States Antarctic Program (USAP). The high resolution bathymetric data covers more than 70% of the region with a 200 m cell resolution of the sea floor topography and was collected over the last 25 years on more than one hundred oceanographic cruises onboard six different Antarctic research vessels. This initiative is part of the IBCSO (International Bathymetric Chart of the Southern Ocean), an expert group of the SCAR (Scientific Committee for Antarctic Research), which recognises the importance of regional data compilations in areas of particular scientific interest in Antarctica.

The Drake Passage is an oceanic gateway of approximately 850 km width located between South America and the Antarctic Peninsula that connects the southeastern Pacific and the southwestern Atlantic oceans.