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Unenhanced imagery recorded by the multi-spectral scanner (MSS)of the NASA Earth Resources Technology Satellite (ERTS-1) was analyzedto determine how satellite imagery may be applied to specific coastalengineering problems. The study area of interest is a segment of theNorth Carolina coast comprising Wrightsville Beach, Masonboro Inlet,Masonboro Beach, Carolina Beach Inlet and Carolina Beach, which are areasof on-going research by CERC. Analysis was supplemented by underflightimagery supplied by NASA and ground truth data.A number of significant coastal features are visible in the ERTS-1imagery. Among these are plumes of suspended sediment emerging frominlets, changes in water coloration possibly due to effects of temperaturechange, and inlet bars and cape bars. In addition, morphological changesin selected coastal land features were determined by direct comparisonof ERTS-1 films obtained about one year apart.Limited water depth penetration is afforded by examining the lowerMSS spectral bands. Maximum penetration can be expected to measure intens of feet, depending on the physical characteristics of ocean water.Although not adequate if deeper penetration is desired, this capabilityis adequate for exposure of backshore and nearshore underwater features.Image resolution capability is sufficient for observation ofgross coastal features and processes but may not be adequate forviewing smaller features such as wave patterns, morphological featureson beaches, and many engineering structures.

An ERTS-1 study of coastal features on the North Carolina coast / by George H. Miller and Dennis W. Berg.