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Title: Monitoring rubble-mound coastal structures with photogrammetry
Authors: Coastal Engineering Research Center (U.S.)
Keywords: Photogrammetry
Rubble mound
Concrete armor units
Aerial photographs
Stereoscopic photogrammetric compilation instruments
Issue Date: Feb-1984
Publisher: Coastal Engineering Research Center (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: Coastal engineering technical note ; CETN-III-21.
Description: Technical note
Introduction: Monitoring coastal projects usually involves repeated surveys of coastal structures and/or beach profiles. When a coastal structure such as a jetty is protected with concrete armor units or quarrystone, monitoring the movement of individual units may be difficult, if not impossible, by conventional survey methods. Photogrammetric techniques, however, can be used to get precise measurements from properly acquired aerial photographs. When the structure is photographed at low tide, an accurate, permanent record of all visible armor units can be obtained, which record can then be analyzed or "surveyed" with stereoscopic photogrammetric compilation instruments to reveal any movement of the units.
Appears in Collections:Technical Note - Section III Coastal Structures

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