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- W4312929993 abstract "The Brazilian fluviometric potential guarantees the presence of hydroelectric plants in several locations. The dam construction generates changes in the transportation and sediment deposition processes, which can lead to different types of operational along with environmental impacts. The present study aims at measuring the liquid flow, analyzing the sediments and quantifying the solid discharge of the Jordão stream, located in the vicinity of the city of Araguari-MG, in order to enable the minimization and remediation of these impacts. For the measurement of the liquid flow, the equipment ADCP (Acoustic Doppler Current Profiler) and the fluviometric windlass were used. For the collection of suspended sediment samples, a North American series integrator U.S – DH 48 was used, and a Model Petersen collector for bed sediments, while in the laboratory, granulometric analyzes were carried out to prepare the granulometric curves. The data obtained in field work were used in the determination of solid flows through 7 methods found in the literature with the following results per section, being in the results from Station Pissarão 1 ranged from 5.42 to 258.36 T / day, while at Station Pissarão 2 from 0.01 to 81.83 T / day, at Station Bom Jardim between 9.55 to 770.86 T / day, from Station Jordão 1 between 0.02 to 35.96 T / day and from Station Jordão Foz 5.48 to 37.08 T / day. The same data were applied in the HEC-RAS program in order to determine, in the temporal scale, the behavior of the mass eroded or deposited in the stations in the period from September 1, 2018 to May 31, 2019, whose seasonality is from the flood period and considering at the end of the period, it was found that in the Pissarão stream there was a removal of sediment at the source in 29,455 T and a deposit with Station 01 with a positive balance of 8,225 T, and removal of sediment at the Pissarão 02 and Foz Stations, respectively, of 34,774 and 18,555 T. In the Bom Jardim stream, approximately 39,544 T were removed at the source and 43,050 and 9,984 T, respectively, in the Bom Jardim and Bom Jardim Foz Stations, while after the confluence between these streams in the Jordão stream, approximately 34,013 was respectively removed; 152,246 and 74,011 T at the point of the eastern Jordão stream, and at the Jordão 01 and Jordão Foz Stations." @default.
- W4312929993 created "2023-01-05" @default.
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- W4312929993 date "2021-07-13" @default.
- W4312929993 modified "2023-10-18" @default.
- W4312929993 title "Application of measurement methods for solid discharge in the Ribeirão Jordão stream and tributaries in UPGRH PN-1" @default.
- W4312929993 doi "https://doi.org/10.15406/ijh.2021.05.00278" @default.
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