CETN-II-12
3/86
THE REMOTELY OPERATED SEDIMENT CORING DEVICE (ROSCO)
To describe a recent innovation for sampling of the nearshore zone
PURPOSE :
during variable energy conditions.
BACKGROUND: To support numerical modeling of sediment transport and
facilitate drafting of engineering design memoranda for shore restoration
projects, it is necessary to understand the nature and distribution of
sediments in the nearshore zone. Sediment sampling in the surf zone is
traditionally accomplished using surface grab samplers or diver operated short
core apparatus. Neither method permits sample retrieval during heavy wave or
current conditions. The Remotely Operated Sediment Coring System (ROSCO) was
designed and built in a joint effort by the Coastal Morphology Unit, Coastal
Processes Branch and the Field Research Facility between January
-
September 1985. The ROSCO (Fig. 1) was designed primarily for sediment
Figure 1.
ROSCO mounted on a sea sled. The sled is approximately
4 m in length and 2 m wide. The sampler itself is
approximately 1 m square and 3 m high.
U.
S.
Army
Engineer
Waterways Experiment Station, Coastal Engineering
Research
Center
P. 0. Box 631, Vicksburg, Mississippi 39180
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