For more than a decade, survey flights have crisscrossed the United States using gravity instruments to calculate a new sea level in an effort that will save the country billions of dollars on ...
The European Space Agency’s ACES mission could ultimately pave the way for a global network of atomic clocks that make these measurements far more accurate. In 2003, engineers from Germany and ...
New research published in the Journal of Geodesy establishes a novel approach to measuring elevation – one that is not based on sea level. The system, aptly named the International Height Reference ...
Editor’s Note (10/16/19): This article has been edited after posting for inclusion in the November 2019 issue of Scientific American. A stunning 12 million people could be forced to retreat from ...
CHICAGO--A Field Museum scientist has developed a novel way to determine land elevation as continents moved around the Earth through geological ages. Knowing how high mountains and plateaus were in ...