Topographic Features On The Ocean Floor

Ocean floor topography and features 1.

Topographic features on the ocean floor. What is the ocean depth if the signal time of return is 5 4 seconds. Broad flat part of the deep ocean basin covered by mud and the remains of marine organisms continental shelf. Thanks to a new synthesis of seafloor topography released through google earth armchair explorers can now view five percent of the deep ocean floor in far greater detail than ever before. Arctic ocean arctic ocean topography of the ocean floor.

Features rising up from the ocean floor include seamounts volcanic islands and the mid oceanic ridges and rises. Exercise 18 1 visualizing sea floor topography. This graphic shows several ocean floor features on a scale from 0 35 000 feet below sea level. Oceanic trenches are long narrow topographic depressions of the seabed they are the deepest parts of the ocean floor and they define one of the most important natural boundaries on the earth s solid surface.

Ocean floor topography sonar activity 2. Trenches are a distinctive morphological feature of plate boundaries trenches are found in all oceans with the exception of the arctic ocean and. A a continental shelf b a continental slope c a spreading ridge d a subduction zone with a deep trench e an abyssal plain and f some isolated seamounts. Explorations after 1950 revealed the true complex nature of the ocean floor.

Identify the following features. The atmospheric pressure is about 1 kilogram per centimeter squared 14 7 pounds per square inch or 1 atmosphere at sea level. The oceanic relief features are in the form of mountains basins plateaus ridges canyons and trenches beneath the ocean water. Ocean floor topography features.

What are three obstacles to studying the seafloor. Ocean floor topography involves the study of ocean bottom features including the outer continental shelf continental slopes and ocean waves desktops. Distance rate x time depth time x velocity speed of sound in ocean 1 524 m s example problem. Sound navigation and ranging 3.

This study is extensive and it has been established that the ocean floor has similar features of mountains and valleys as on the earth. Typology of oceanic topography. The under water topography maps have been developed by the study of ocean floor topography. This map shows a part of the sea floor.

The following features are shown at example depths to scale though each feature has a considerable range at which it may occur. Continental shelf 300 feet continental slope 300 10 000 feet abyssal plain 10 000 feet abyssal hill 3 000 feet up from the abyssal plain seamount 6 000 feet.