SURVEY TECHNIQUES USED TO MEASURE NEARSHORE PROFILES

Christopher G. Gable, Jerome R. Wanetick

Abstract


The three most common survey techniques used to measure nearshore profiles are (1) conventional boat-sonic depth sounder; (2) hydrostatic pressure profiler; and (3) the self powered Coastal Research Amphibious Buggy (CRAB)• Theory of operation and methodology used for each technique are summarized and evaluated. Three separate field tests using survey data from each technique are evaluated for system repeatability. Data reduction, sea surface correction, and filtering methods for boat-depth sounder survey data are examined.

Keywords


survey techniques; nearshore profile; profile measurement

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