Accession Number : AD0697131

Title :   PROOF TEST OF WATER TRANSPARENCY METHOD OF DEPTH DETERMINATION.

Descriptive Note : Technical memo.,

Corporate Author : CORPS OF ENGINEERS WASHINGTON D C BEACH EROSION BOARD

Personal Author(s) : Hall,J. V. , Jr

Report Date : JUL 1948

Pagination or Media Count : 67

Abstract : In searching for a means to determine beach hydrography by aerial reconnaissance, the British Army developed an aerial photographic process of depth determination known as the Water Transparency Method. The report presents results of a proof test of this method, employing American equipment and personnel. (Author)

Descriptors :   (*AMPHIBIOUS OPERATIONS, CORAL REEFS), (*OCEAN BOTTOM, AERIAL RECONNAISSANCE), WATER, OPTICAL PROPERTIES, BEACHES, AERIAL PHOTOGRAPHS, LIGHT TRANSMISSION, UNDERWATER, SHALLOW WATER, HYDROGRAPHIC SURVEYING, ABSORPTION, PHOTOGRAPHIC FILTERS, COLORS, BRIGHTNESS, COASTAL REGIONS, PHOTOGRAPHY, REFLECTION

Subject Categories : Physical and Dynamic Oceanography
      Military Operations, Strategy and Tactics

Distribution Statement : APPROVED FOR PUBLIC RELEASE