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The depth predicted by the square root of seafloor age found by the 1974 cooling mantle derivation [4] is too deep for seafloor older than 80 million years. [5] Depth is better explained by a cooling lithosphere plate model rather than the cooling mantle half-space. [5] The plate has a constant temperature at its base and spreading edge.
The beams update many times per second (typically 0.1–50 Hz depending on water depth), allowing faster boat speed while maintaining 100% coverage of the seafloor. Attitude sensors allow for the correction of the boat's roll and pitch on the ocean surface, and a gyrocompass provides accurate heading information to correct for vessel yaw .
The GEBCO chart series was initiated in 1903 by an international group of geographers and oceanographers, under the leadership of Prince Albert I of Monaco.At that time there was an explosion of interest in the study of the natural world and this group recognized the importance of a set of maps describing the shape of the ocean floor.
Bathymetric charts showcase depth using a series of lines and points at equal intervals, called depth contours or isobaths (a type of contour line). A closed shape with increasingly smaller shapes inside of it can indicate an ocean trench or a seamount, or underwater mountain, depending on whether the depths increase or decrease going inward.
The depth predicted by the square root of seafloor age derived above is too deep for seafloor older than 80 million years. [27] Depth is better explained by a cooling lithosphere plate model rather than the cooling mantle half-space. [27] The plate has a constant temperature at its base and spreading edge.
A mid-ocean ridge (MOR) is a seafloor mountain system formed by plate tectonics. It typically has a depth of about 2,600 meters (8,500 ft) and rises about 2,000 meters (6,600 ft) above the deepest portion of an ocean basin. This feature is where seafloor spreading takes place along a divergent plate boundary. The rate of seafloor spreading ...
An AI death calculator can now tell you when you’ll die — and it’s eerily accurate. The tool, called Life2vec, can predict life expectancy based on its study of data from 6 million Danish ...
The side-scan sonar is useful for scientists as it is a quick and efficient way of collecting imagery of the sea floor, but it cannot measure other factors, such as depth. [11] [12] Therefore, other depth measuring sonar devices are typically accompanied with the side-scan sonar to generate a more detailed survey. [11]