Measuring altitude using your phone has become increasingly accurate and convenient, thanks to advancements in smartphone technology and the integration of various sensors. Here’s a comprehensive ...

A floodplain map has three key components: base map imagery and/or cartographic line work, an elevation model representing the earth’s surface or “terrain,” and flood study results generated 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 ...

L3Harris Technologies and Xoople have created an advanced spaceborne measurement platform engineered for an era shaped by artificial intelligence, Earth observation, and high-value information drawn ...

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 ...

ABIQUIU LAKE, N.M. -- Throughout the 56 years the U.S. Army Corps of Engineers, Albuquerque District has been operating Abiquiu Lake as a flood control and water supply dam in the Chama River Valley ...

Visit NAP.edu/10766 to get more information about this book, to buy it in print, or to download it as a free PDF. The nation is presently making an investment of more than $200 million per year in ...