What is oceanic topographic mapping?

What is oceanic topographic mapping?

Topographic maps show elevation of landforms above sea level; bathymetric maps show depths of landforms below sea level. A contour line represents a corresponding imaginary line on the surface of the land or bottom of the ocean that has the same elevation or depth along its entire length.

What is underwater topography called?

The term “bathymetry” originally referred to the ocean’s depth relative to sea level, although it has come to mean “submarine topography,” or the depths and shapes of underwater terrain.

What is it called under the ocean?

The seabed (also known as the seafloor, sea floor, ocean floor, and ocean bottom) is the bottom of the ocean. From the abyssal plain, the seabed slopes upward toward the continents and becomes, in order from deep to shallow, the continental rise, slope, and shelf.

What is in deep sea?

The abyssal plain is the relatively level deep seafloor. It is a cold and dark place that lies between 3,000 and 6,000 meters below the sea surface. It is also home to squat lobsters, red prawns, and various species of sea cucumbers. For these creatures food is scarce most of the time.

What is called the height of the earth from the sea?

Mean sea level (MSL) (often shortened to sea level) is an average level of the surface of one or more of Earth’s bodies of water from which heights such as elevation may be measured. The term above sea level generally refers to above mean sea level (AMSL).

What are the names of the 5 Oceans?

The 5 oceans of the world are the Atlantic Ocean, the Indian Ocean, the Pacific Ocean, the Southern Ocean, and the Arctic Ocean. One of the fascinating scientific topics is the study of the 5 oceans and 7 continents.

What are the four major oceans?

The huge body of salt water on the Earth’s surface is divided into four major oceans: the Pacific Ocean, the Atlantic Ocean, the Arctic Ocean, and the Indian Ocean.

What are the locations of the oceans?

At least part of four of the Earth’s five oceans is located in the Western Hemisphere. These are the Atlantic Ocean, Pacific Ocean, Southern Ocean (Antarctic), and the Arctic Ocean. About half of the Atlantic and Pacific Oceans are located in the western hemisphere.

What are all the oceans in the world?

The surface of the planet is approximately 71% water and contains (5) five oceans, including the Arctic, Atlantic, Indian, Pacific and Southern. Their borders are indicated on the world image (above) in varied shades of blue.