We call this "elevation".
Elevation is the word that means the height of land above sea level.
Dry land is usually above sea level.
The elevation of the land above sea level refers to how high the land is compared to the average level of the ocean. It is measured in feet or meters to indicate the height of the land above sea level.
The height or the altitude of the land is its distance above sea level. This is referred to as the elevation of the land.
An elevation map shows the height of land above sea level.
Elevation.
elvation
i
ALL "land" is technically "above sea level" - it runs from 0 ft to the top of Mt Everest.
...a good thing for air-breathing creatures.
The height above or below sea level is "elevation". Altitude is used only for distance above sea level.
The elevation of an area of land is measured in distance above sea level. This measurement helps to understand the height and susceptibility to climate and weather changes.