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Evapotranspiration impact on hydrological modeling
Macounová, Anna ; Daňhelka, Jan (advisor) ; Kimlová, Martina (referee)
This work presents the evapotranspiration from the point of view of its impact on hydrological modeling. We have tested the influence of different input evapotranspiration on the simualtion outputs of rainfall-runoff model Sacramento (SAC-SMA), which is the component of the hydrological forecasting system AquaLog used for flood forecasting in the Czech part of Elbe river basin. Litavka river basin was selected for this case study. We present physical geographical characteristics of the basin from the poin of view of influence of the evapotranspiration rate. Simulation using different computed evapotranspiration daily timeseries for 2001 - 2005 inputted SAC- SMA and total runoff, runoff composition, zones saturation were evaluated. Results proved that SAC- SMA sensitivity to evapotranspiration is of great concern especially for the long time and slow developing processes in the basin. Evapotranspiration loss, base flow generation and connected saturation of tension water zones and lower zone primary free water were identified to be the most affected states and processes. Powered by TCPDF (www.tcpdf.org)
Evapotranspiration impact on hydrological modeling
Macounová, Anna ; Kimlová, Martina (referee) ; Daňhelka, Jan (advisor)
This work presents the evapotranspiration from the point of view of its impact on hydrological modeling. We have tested the influence of different input evapotranspiration on the simualtion outputs of rainfall-runoff model Sacramento (SAC-SMA), which is the component of the hydrological forecasting system AquaLog used for flood forecasting in the Czech part of Elbe river basin. Litavka river basin was selected for this case study. We present physical geographical characteristics of the basin from the poin of view of influence of the evapotranspiration rate. Simulation using different computed evapotranspiration daily timeseries for 2001 - 2005 inputted SAC- SMA and total runoff, runoff composition, zones saturation were evaluated. Results proved that SAC- SMA sensitivity to evapotranspiration is of great concern especially for the long time and slow developing processes in the basin. Evapotranspiration loss, base flow generation and connected saturation of tension water zones and lower zone primary free water were identified to be the most affected states and processes. Powered by TCPDF (www.tcpdf.org)

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4 Macounová, Aneta
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