What is height of a ocean?
Answers
You may have heard the term “global sea level,” which refers to the average height of all of the Earth's ocean basins. "Global sea level rise" refers to the increase in the average global sea level trend. "Local sea level" refers to the height of the water measured along the coast relative to a specific point on land.
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Answer:
Height of a ocean :
You may have heard the term “global sea level,” which refers to the average height of all of the Earth's ocean basins. "Global sea level rise" refers to the increase in the average global sea level trend. "Local sea level" refers to the height of the water measured along the coast relative to a specific point on land.
How it is measured :
The height of different places on earth is measured with the help of the 'altimeter'. The instrument used for measuring the height at a place is basically a barometer. At sea level, the height of the barometric liquid (mercury) is 76cm.
Sea level means :
Height above mean sea level (AMSL) is the elevation (on the ground) or altitude (in the air) of an object, relative to the average sea level datum.
Level of sea compared to the land :
Sea level is a reference to elevation of the ocean/land interface called the shoreline. Land that is above this elevation is higher than sea level and lower is below sea level. ... We experience relative sea level when we visit the shoreline, that narrow area between the land and the water.
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