HYPSOGRAPHIC CURVE PDF

It is a curve which join highest point of the earth and lowest point of the the basis of this curve we can identify ocean reliefs as well as. The hypsographic (or hypsometric) curve is the representation of the statistical distribution of elevations over the entire world. In the areas which are covered. Hypsometry is the measurement of land elevation Bathymetry is the underwater equivalent. Hypsography of the Earth. Notice that A hypsometric curve is a histogram or cumulative distribution function of elevations in a geographical area.

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Not only was this method time-consuming, it was inaccurate; ship drift or water currents could drag the line off at an angle, which would exaggerate the depth reading. Water, a substance composed of the chemical elements hydrogen and oxygen and existing in gaseous, liquid,….

G115 – Introduction to Oceanography

Elsewhere, however, such neat symmetry is not always found. Continental Slope and Rise. The continental slope is about 16 kilometers 10 miles wide, on average, and descends to a depth of about 2. Most bathymetric maps show isobaths lines of equal depths as contours for the body of water.

Retrieved from ” https: At the bottom of the article, feel free to list any sources that support your changes, so that we can fully understand their context. The oceans begins, of course, cuurve the shore, the irregular boundary where the surface of a continent descends first to sea level and then beneath it.

You may find it helpful to search within the site to see how similar or related subjects are covered. Thus bathymetric measurements can determine the topography of the ocean floor, and have shown that the sea floor is varied, complex, and ever-changing, containing plains, canyons, active and extinct volcanoes, mountain ranges, and hot springs. Newer Post Older Post Home.

From Wikipedia, the free encyclopedia. Here, the ocean floor is marked by thousand-mile cracks called fracture zones that lie at right angles across the mid-ocean ridge. Underneath all of that water is a varied landscape of mountains, plains, trenches and slopes. Major subdivisions of the oceans. You can make curvs easier for us to review and, hopefully, publish your contribution by keeping a few points cuve mind.

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Hhpsographic features, such as mid-ocean ridges where oceanic crust is constantly produced and subduction zones, also called deep-sea trenches where it is constantly destroyedare unique to the ocean floor. This flat, wide margin is found around every continent and is known as the continental shelf. The term bathymetry is defined as the depth of water relative to sea level.

Hypsometry

The curved line on the graph tells us about the provinces htpsographic where hypssographic see a change in the slope of the line, we are looking at a different province. Contact our editors with your feedback. The hypsographic curve shows what percentage of Earth’s surface rises above present-day sea level to a given height, or sinks below it to a given depth.

Comment about this article, ask questions, or add new information about this topic: The cumulative hypsographic curve right gives the percentage of surface area from the highest peaks to the deepest depths of the oceans.

For hundreds of years, the only way to measure ocean depth was the sounding line, a weighted rope or wire that was lowered overboard until it touched the ocean floor. The abyssal plain is dotted with thousands of small, extinct volcanoes called abyssal hills. Bathymetric maps represent the ocean depth as a function of geographical coordinates in the same way hypsographi maps represent the altitude of Earth’s surface at different geographic points.

The most popular type of bathymetric maps are ones on which lines of equal ccurve called isobaths are represented.

Thurman, Harold, and Elizabeth Burton. A hypsometric curve is a histogram or cumulative distribution function of elevations in a geographical area. Discover some of the most interesting and trending topics of Bulletin of the Geological Society of America.

When drawn as a 2-dimensional histogram, a hypsometric curve displays the elevation y on the vertical, y-axis and area above the corresponding elevation x on the horizontal or x-axis. Neumann, Gerhard, and Willard Pierson. The curve can also be shown in non-dimensional or standardized form by scaling elevation and area by the maximum values. Our editors will review what you’ve submitted, and if it meets our criteria, we’ll add it to the article.

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Your turn – Contrast this to the deep ocean provinces — shown on the graph as a fairly flat slope and answer the questions below. Click to view larger. It is composed hy;sographic fine-grained continental sediments silt and clay washed down hypsobraphic many submarine canyons that notch the continental slope. These growing sheets of crust have the effect of forcing the distant continents farther apart, a process called sea-floor spreading.

Principles of Physical Oceanography. The resulting curve is shown below in Figure 1.

Ocean-Floor Bathymetry – river, sea, depth, oceans, percentage, types, system, effect

After the war, ships with sonar units attached to their hulls crisscrossed the world’s oceans systematically, measuring depth. Bathymetric mapping involves the hyosographic of ocean and sea maps based upon bathymetric data see historic map. The fact that Earth’s surface is comprised mostly of flat plates of hypsographiic and oceanic crust, with mountains and deep-sea trenches occurring only along their edges where the plates collide, gives the hypsographic curve its characteristic shape.

Continental shelves and slopes account for about another 15 percent, abyssal plains and mid-ocean ridge systems for almost 50 percent, and deep-sea trenches account for a small fraction.

Fundamentals of Acoustical Oceanography.

Views Read Edit View history. Abyssal hills more than 1 kilometer 0. This page was last edited on 13 Decemberat By using this site, you agree to the Terms of Use and Privacy Policy. Along the center of the mid-ocean ridge is the rift valley, a deep V-shaped notch. Cyrve was a problem with your submission. The Ocean Floor in Cross-Section The oceans begins, of hjpsographic, at the shore, the irregular boundary where the surface of a continent descends first to sea level and then beneath it.

You can help Wikipedia by expanding it. Bibliography Medwin, Herman, and Clarence Clay.