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Phosphorus Distribution in Delta Sediments: A Unique Data Set from Deer Creek Reservoir

Department of Civil and Environmental Engineering, Brigham Young University, Provo, UT 84602, USA
Author to whom correspondence should be addressed.
Hydrology 2018, 5(4), 58;
Received: 28 September 2018 / Revised: 8 October 2018 / Accepted: 9 October 2018 / Published: 11 October 2018
PDF [6006 KB, uploaded 11 October 2018]


Recently, Deer Creek Reservoir (DCR) underwent a large drawdown to support dam reconstruction. This event exposed sediments inundated by the reservoir, since dam completion in the early 1940s. This event allowed us to take sediment data samples and evaluate them for phosphorous (P) content. It is difficult for normal reservoir sediment studies to have sediment samples at high spatial resolution because of access. During the drawdown, we collected 91 samples on a grid 100 m in one direction and 200 m in the other. This grid defined an area of approximately 750,000 m2 (185 acre). We took both surface samples, and at some sites, vertical samples. We determined water soluble P for all the samples, and P in four other reservoirs or fractions for 19 samples. Results showed water soluble P in the range of 2.28 × 10−3 to 9.81 × 10−3, KCl-P from 2.53 × 10−3 to 1.10 × 10−2, NaOH-P from 5.30 × 10−2 to 4.60 × 10−1, HCl-P from 1.28 × 10−1 to 1.34, and residual (mostly organic) P from 8.23 × 10−1 to 3.23 mg/g. We provide this data set to the community to support and encourage research in this area. We hope this data set will be used and analyzed to support other research efforts. View Full-Text
Keywords: sediments; phosphorous; available nutrients; water quality; reservoir management sediments; phosphorous; available nutrients; water quality; reservoir management

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Casbeer, W.; Williams, G.P.; Borup, M.B. Phosphorus Distribution in Delta Sediments: A Unique Data Set from Deer Creek Reservoir. Hydrology 2018, 5, 58.

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