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Processes in Stratified Reservoirs

Main research domains

  • Investigation and simulation of
  • reservoir dynamics
  • stratification
  • eutrophication
  • wind-induced flow

Most important results

  • Total reservoir and epilimnion phosphorus loadings were estimated and related to phytoplankton quantity in the Římov reservoir for spring-summer periods during 1984-1991. The correlation between average concentration of chlorophyll-a in the reservoir and dissolved phosphorus epilimnion load caused by surface discharge was positive. The phosphorus epilimnion load due to inflow intrusions influenced chlorophyll-a concentration only in the case of simultaneous acting of long-lasting winds in the longitudinal axial direction of the reservoir.
  • Influence of surface level of the Želivka reservoir on eutrophication and on drinking water quality was determined by means of the simulation.
  • Two-dimensional model DYRESM II was adapted for transport simulation of tracers in the Římov reservoir to estimate influence of discharge level and wind action on inflow intrusion and rate of washing up of tracers (pollution) from the reservoir volume.