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Samplers
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GALLERY OF COMMON SEDIMENT SAMPLING DEVICES
Geologists have been collecting sediment samples from the sea floor for many years. Grab samplers and dredges are used to retrieve surficial sediments, corers can collect samples from deeper beneath the sea floor, and sediment traps and bed load samplers collect suspended sediment during transport. The primary goal in sampling is to collect undisturbed sediments that have retained their natural characteristics. Because sea-floor conditions and character vary substantially, a number of devices have been developed to meet specific needs. Images of the most common samplers have been compiled in the gallery below.
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