RTK measurement of elevation is based on carrier phase observations, where the base station and mobile station work together to achieve centimeter-level elevation positioning accuracy. During ...

This works well enough for measuring the elevation of things that aren’t, well, the ocean, but we run into a problem if we try to measure the ocean in terms of itself.

Survey markers are synonymous with summiting a Fourteener, but their use in measuring elevation gives way to something much more complex.

If you aren’t sure what your elevation is, there are several tools available online to determine how high above sea level you are.

A novel way to determine land elevation as continents moved around the Earth through geological ages. Knowing how high mountains and plateaus were in the past helps scientists study how our ...