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What are Characteristics of good core samplers?
Apr. 20, 2019
Courtesy ofWildlife Supply Company (WILDCO)
- Perpendicular placement: The core sampler must make a vertical or straight entry into sediments to secure a reliably representative cross-section sample.
- Penetration: It must penetrate the sediments you expect to find and adaptable for many field situations.
- Core retention: There should be minimal loss of any part of the sample during return to the surface.
- Maximum sample validity: This means:
- Samplers intended for layered sediments should obtain cores showing minimum disturbance of layers by compression or by displacement around the circumference.
- Samplers intended to obtain bottom sediments and their resident fauna need a design which causes minimum displacement or escape of fauna during sampling.
- Simplicity: Purchase the simplest instrument capable of producing the type of samples you require.
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