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Study finds sediment-rich streams are more dynamic

Published Tuesday March 14

Santa Cruz >> Californians seem to live by their own rules. So do California’s rivers.

Brand new research by scientists at UC Santa Cruz suggests the steep slopes of West Coast mountains, which slough off lots of sediment, make the region’s rivers unique. The study, published in the journal “Proceedings of the National Academy of Sciences” Mon found that the more sediment is fed into a river, the more dynamic a river is. These dynamic rivers shift their channels more often, and resist forming an “armored” river bottom with not moving gravels.

“I discovered this gigantic misfit,” stated Pfeiffer. “I would predict 15-centimeter cobbles where I would find 5-centimeter gravels.”

Article length: About 500 words.
Tags: Santa Cruz Mountains
Read more at Santacruzsentinel

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