Topography Of The Ocean Floor Definition

Not too many people have gone to the floor of the ocean as it requires special diving equipment. Plate tectonics and the ocean floor bathymetry the shape of the ocean floor is largely a result of a process called plate tectonics. The ocean floor is almost entirely underlain by mafic oceanic crust mostly basalt and gabbro as described in more detail below while the continental slopes are underlain by felsic continental crust mostly granitic and.

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Topography studies the elevation and location of landforms.

Topography of the ocean floor definition.

It is the bottom of the ocean when you dive. Whats people lookup in this blog. Landforms landforms studied in topography can include anything that physically impacts the area. Chapter 14 the ocean floor pdf free atlantic ocean floor topography lab diagram of the ocean floor seafloor topography grade 9 free printable tests and modelling the ocean floor lab.

How does the ocean floor look like. It consists of basins of the marginal seas chains of predominantly volcanic islands in the form of arcs and narrow linear basins deep sea trenches which coincide with deep faults extending beneath the mainland. Ocean floor map the second transitional zone was formed at the junction of continental blocks and oceanic platforms. Ocean floor topography worksheet answers.

Ocean surface topography or sea surface topography also called ocean dynamic topography are highs and lows on the ocean surface similar to the hills and valleys of earth s land surface depicted on a topographic map these variations are expressed in terms of average sea surface height ssh relative to the earth s geoid. Map showing the underwater topography of the ocean floor. The vertical exaggeration is approximately 200 times. Like land terrain the ocean floor has ridges valleys plains and volcanoes.

The main purpose of measuring ocean surface topography is to understand. The outer rocky layer of the earth includes about a dozen large sections called tectonic plates that are arranged like a spherical jig saw puzzle floating on top of the earth s hot flowing mantle. You may perceive the ocean floor to be flat and sandy like the beach but the truth is there are many different surfaces. Topography of the ocean floor from the late 19th century when the norwegian explorer fridtjof nansen first discovered an ocean in the central arctic until the middle of the 20th century it was believed that the arctic ocean was a single large basin.

As scientific knowledge has advanced the capability to envisage these remote sites has increased significantly. The seabed also known as the seafloor sea floor or ocean floor is the bottom of the ocean no matter how deep. Explorations after 1950 revealed the true complex nature of the ocean floor. Examples include mountains hills valleys lakes oceans rivers cities dams and roads.

Ocean floor topography refers to the different forms in which the ocean floor bottom can exist. Figure pageindex 2 the generalized topography of the pacific ocean sea floor between japan and british columbia. The ocean floor is literally the floor of the ocean.