How to Determine Land ElevationAbove Sea Level. You can determine a town or city's elevationabove sea level online using one of several different websites or by ...

Both altitude and elevation are measures of the height of a point relative to some datum. The differences are in how they are derived and what they are normally used for.

Air pressureabovesealevel can be calculated as. p = 101325 (1 - 2.25577 10-5 h) 5.25588 (1) where . p = air pressure (Pa) h = altitude abovesealevel (m)

The elevation of a geographic location is its height above or below a fixed reference point, most commonly a reference geoid, a mathematical model of the Earth's sea ...

Mapping Areas Potentially Impacted by Sea Level Rise. Overview. The science surrounding global and regional projections of future sea level has grown rapidly in ...