Level 1 Studies
   Feni Drift, Rockall Trough, Northeast Atlantic Ocean
   Indo-Pacific Warm Pool
   Makassar Strait, Sulawesi Margin, Indo-Pacific Warm Pool
   Mixing Zone of the Kuroshio and Oyashio Currents, Off the Coast of Japan
   Northeastern Caribbean Sea, South of Puerto Rico
   Pigmy Basin, Northern Gulf of Mexico

Level 2 Studies
   Carmen Basin, Gulf of California
   Guaymas Basin, Gulf of California
   Kattegat Region of North Sea
   Pescadero Basin, Gulf of California, Mexico
   Southeastern Shelf of the Laptev Sea, Arctic Ocean
   Tropical Pacific Ocean
   Western Slope of the Northern Okinawa Trough, East China Sea

Level 3 Studies
   Alfonso Basin, Gulf of California, Mexico
   European Margin of the North Atlantic
   Kaldbaksfjord, Faeroe Islands
   Lake Caveiro, Pico Island, Azores
   Skagerrak, Northeast North Sea
   Skalafjord, Faroe Islands
   South China Sea