What Is Sea Level?
We say that Mount McKinley in Alaska is 20,320 feet above sea level, or that Death Valley, in California, is 282 feet below sea level. And we say that the surface of...
Read MoreWe say that Mount McKinley in Alaska is 20,320 feet above sea level, or that Death Valley, in California, is 282 feet below sea level. And we say that the surface of...
Read MoreWhat Is Local Mean Sea Level? Sea level is the base level for measuring elevation and depth on Earth. Because the ocean is one continuous body of water, its surface...
Read More