| Description | A freeze corer is a specialized sediment sampling device used to collect undisturbed cores from unconsolidated or water-saturated sediments, such as those found in lakes, wetlands, or marine environments. Unlike conventional corers that rely on mechanical cutting or suction, a freeze corer uses freezing action to immobilize and capture sediment in place. This method is particularly useful for soft, unconsolidated sediments that are difficult to sample without disturbance. |
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| Active? | Yes |