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2 cards from this section. Quick, good the night before a test.
What is core sampling?
Think about how you extract a sample while keeping it intact.
Why is it important to sample sediments at different depths?
Consider how pollution might penetrate into the sediment.
What is the main purpose of core sampling?
Think about what we learn from layers below the surface.
True or False: Core sampling should only focus on the top layer of sediments.
Consider whether pollution is uniform across all layers.
A core sampling project in a river indicates that contaminants rise quickly in the sediment profile. Considering sediment transport dynamics, explain how surface runoff may impact deeper layers over time.
Consider the movement of water and how it disperses contamination in sediments.
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