Ocean Floor Topography Pdf
It starts with the outer continental shelf followed by the.
Ocean floor topography pdf. Continental margins the submerged outer edge of a continent ocean basin the deep seafloor beyond the continental margin ocean ridge system extends throughout the ocean basins 8 continental margins are the submerged. The topography of the northern atlantic ocean is shown in figure 18 1 1. The 1000 3000 and 5000 m isobaths are shown and regions less than 3000 m deep are shaded. Sea bottomsea bottom topographytopography main features vishnu m svishnu m s 11stst msc applied geologymsc applied geology university of calicutuniversity of calicut 2.
A typical cross section of the atlantic ocean basin. Today s technology particularly sonar satellites and submersibles allows. We made the trend to set for further work in those years. Topography of the atlantic ocean.
The topography of ocean floors the classifications of ocean floor. Ocean floor topography the study of numerous landforms that exist on or below the earth. This is particularly true of the north atlantic ocean the home ground of many oceanographic research institutions. The following features are shown at example depths to scale though each feature has a considerable range at which it may occur.
18 1 the topography of the sea floor we examined the topography of the sea floor from the perspective of plate tectonics in chapter 10 but here we are going to take another look at bathymetry from an oceanographic perspective. Ocean topography is the study of the ocean floor and the features of. Pdf version 1 2 september 2002 the atlantic ocean 231 of interest from the point of view of oceanography are the sill characteristics of the five. A plate is a moving piece of lithosphere.
Mapping the ocean floor 14 1 the vast world ocean the topography of the ocean floor is as diverse as that of the continents. Pdf version 1 2 september 2002 chapter 14 the atlantic ocean a glance at the distribution of high quality ocean data figure 2 3 tells us that the atlantic ocean is by far the best researched part of the world ocean. Topographytopography is the study of earth s surface shape and features. Ocean floor topography 1.
The lithosphere is made up of plates. Ocean floor topography background the lithosphere is the crust and top of the mantle similar to taking the crust off the top of a dutch apple pie. 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. Topography of ocean floor.
This graphic shows several ocean floor features on a scale from 0 35 000 feet below sea level. Refers to the different forms in which the ocean floor bottom can exist is similar to the ground topography with features such as valleys mountains and plateaus. Bathymetry is the measurement of ocean depths and the charting of the shape or topography of the ocean floor.