Elwha River Sediments: Phosphorus Characterization and Dynamics Under Diverse Environmental Conditions
作者： Emily Cavaliere , Peter Homann
DOI: 10.3955/046.086.0202
关键词: Ecology 、 Environmental chemistry 、 Eutrophication 、 Environmental science 、 Sediment 、 Phosphorus 、 Delta 、 Period (geology)
摘要: Abstract Two large dams on the Elwha River, Olympic Peninsula, Washington, will be removed over a 2–3 year period starting in 2011. Sediments that have accumulated reservoirs behind these exposed to new physical and chemical conditions could affect P distribution availability oligotrophic river system. Coarse sediments from reservoir delta fine bottom were collected. The analyzed for characteristics relevant availability. had 20 200% greater concentrations of C, N, amorphous Fe, Fe-bound P, Ca-bound organic than coarse sediments. Both sediment types relatively low compared with published values eutrophic systems. immobilized quantities added but maintained dissolved at half level A 300 h incubation under diverse environmental condi...
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