Practical Application of the Results for Optically Measured Total Suspended Solids Concentrations in the Drava RiverReport as inadecuate




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The investigations described in this paper were performed in order todetermine whether the concentrations of total suspended solids TSS in theDrava River, Slovenia, measured indirectly with optical sensors can be used todetermine the amount and particle size of the suspended solids that can settlein stagnant water. The possibility of continuous monitoring of the TSSconcentrations would allow a more reliable estimate of the amount of sedimentin the accumulation lake of the planned, pumped-storage, hydroelectric power plantinto which the water from the Drava River will be pumped. Therefore, during aperiod of one year, 90 water samples were taken directly at the opticalsensors. The amount of sediments and their mineral and chemical compositionswere investigated, and particle size analyses were made in 15 samples.Microbiological parameters, which included a determination of the amount ofphytoplankton, zooplankton, bacteria, fungi and organic debris, wereinvestigated in all the water samples, and the temperature and pH of the waterwere measured at the time when the samples were collected. The comparison ofthe parameters examined with the TSS concentrations showed that theseconcentrations can serve as a very good estimate of the amount of particlessettled in the standing water, as well as of their size. These correlations areclearly expressed in the cases where the amounts of phytoplankton and organicdebris in the water are low.

KEYWORDS

Suspended Solids, TSS Concentrations, Optical Sensors, Particle Size Distribution, Microorganisms

Cite this paper

Dolinar, B. 2014 Practical Application of the Results for Optically Measured Total Suspended Solids Concentrations in the Drava River. Journal of Water Resource and Protection, 6, 710-721. doi: 10.4236-jwarp.2014.67068.





Author: Bojana Dolinar

Source: http://www.scirp.org/



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