Only 29 feet over the water at high tide, it opened more than 2,000 times in some years, often for submarines on their way to the nearby naval base and shipyard.
Terrigeneous sediments that reach the continental shelf are often stored in submarine canyons on the continental slope.
A prediction of how often a threat submarine will visit each sector can then be made in order to increase the field's detection capabilities.
Joe promptly does so, inventing his own catchphrase: "Henshin-a-go-go, baby!" With the guidance of Captain Blue, Joe fights his way through a number of Movieland's locations such as cities, underground caves, an underwater base, and a submarine, often travelling via his trusty, robot aircraft "Six Machine".
Submarines often ply the Argentine coast to detect illegal fishing.
The Swedish sensors include the latest in acoustic gadgets to ferret out the Soviet submarines often believed hiding in deep Swedish fjords.
Before his analysis of the Mir data, Dr Kanas had expected the mood on space stations to dip during the third quarter of a mission, as often happens on submarines and Antarctic research stations.
Thin-bedded turbidites deposited by sediment gravity flows that spill from submarine channels often contain significant volumes of sand in laterally continuous beds.
The landward or island-arc slope of the trench is often interrupted by a submarine ridge, which sometimes breaks the ocean surface, as in the case of the Java Trench.
Then there are the submarine platforms, often less than 165 feet (50 m) in depth, of which the most important, known as the Acadian Platform, occupies a large semicircle between the Gaspé Peninsula and Cape Breton.
