Sensing by Satellite

by Lewis E. Link, (M.ASCE), Technical Dir.; Cold Regions Research & Engineering Lab., Corps of Engineers, Hanover, NH,

Serial Information: Civil Engineering—ASCE, 1988, Vol. 58, Issue 1, Pg. 64-67

Document Type: Feature article


Commercially available data collected by U.S. and French satellites re helping civil engineers take a closer look at our planet. Also available are PC-based image processing systems that provide relatively powerful analysis capabilities at reasonable costs. To use these resources in a cost effective way, the engineer needs a basic understanding of the operating principles of the satellite sensors as well as the types of terrain features that are readily mapped from space imagery. Capabilities of available hardware and software are noted. The technology is still so new that much of the work can be called experimental, but civil engineering applications range from land use surveys for urban planning and flood control, to monitoring turbidity at dredge spoil sites.

Subject Headings: Satellites | Land surveys | Data collection | Planets | Computers | Aerial photography | Probe instruments | Terrain

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