When I say jump, your iPhone can tell you how high.

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 ...

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 ...

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 ...

No audio available for this content. CHC Navigation’s P5 geodetic GNSS receiver was successfully used by a Chinese team of surveyors to complete the 2020 Mount Everest Elevation Survey. This is the ...