Ocean Basin Floor Meaning

About 70 of the planet s surface is made up of ocean basins which are the regions that are below sea level these areas hold the majority of the planet s water. It occupies approximately one third of the atlantic and indian ocean floors and three quarters of the pacific ocean floor. Sound waves can penetrate the ocean floor.

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Oceanographers can use sonar to calculate the depth of the ocean floor because a.

Ocean basin floor meaning. Sound waves travel about 150 m s through sea water. The ocean basins are partially bounded by the continents but they are interconnected which is why marine scientists refer to a single world ocean the world ocean is divided into the north and south pacific north and south atlantic indian and arctic oceans. Tectonic activity describes the way tectonic plate s giant slabs of earth s lithosphere interact with each other. Ocean vents are the product of tectonic activity beneath the ocean floor.

Older references e g littlehales 1930 consider the oceanic basins to be the complement to the continents with erosion dominating the latter and the sediments so derived ending up in the ocean basins. Start your free trial today and get unlimited access to america s largest dictionary with. Ocean vents are found in all ocean basin s although they are most abundant around the pacific ocean s ring of fire which also includes active. Continuing your journey across the ocean basin you would descend the steep continental slope to the abyssal plain.

Ocean basin floor the ocean floor in those parts of the oceans that are more than 2000 m deep. Sound waves bounce off the ocean floor. You must there are over 200 000 words in our free online dictionary but you are looking for one that s only in the merriam webster unabridged dictionary. Ocean basin definition is basin.

Sunlight does not penetrate to the sea floor making these deep dark ecosystems less productive than those along. The magnetism of mid ocean ridges helped scientists first identify the process of seafloor spreading in the early 20th century. Ocean basin any of several vast submarine regions that collectively cover nearly three quarters of earth s surface. Together they contain the overwhelming majority of all water on the planet and have an average depth of almost 4 km about 2 5 miles.

Basalt the once molten rock that makes up most new oceanic crust is a fairly magnetic substance and scientists began using magnetometers to measure the magnetism of the ocean floor in the 1950s what they discovered was that the magnetism of the ocean floor around. More modern sources e g floyd 1991 regard the ocean basins more as basaltic plains than as sedimentary depositories since most sedimentation occurs on the continental shelves. Echoes do not travel through sea water. A number of major features of the basins depart.

More than 250 000 words that aren t in our free dictionary. Oceanographers also recognize the southern ocean which encircles antarctica and includes the southernmost parts of the pacific. At depths of over 10 000 feet and covering 70 of the ocean floor abyssal plains are the largest habitat on earth. In fact it will.