SWAP is one of the 15 regional hydrology models following the ISIMIP2a protocol which form the base of simulations for the ISIMIP2a regional water sector outputs; for a full technical description of the ISIMIP2a Simulation Data from Water (regional) Sector, see this DOI link: http://doi.org/10.5880/PIK.2018.007
Georgy Ayzel (firstname.lastname@example.org), Water Problems Institute, Russian Academy of Sciences (RAS) (Russia)
Yeugeniy Gusev (email@example.com), Institute of Water Problems of the Russian Academy of Sciences (Russia)
Evgeny E. Kovalev (firstname.lastname@example.org), Water Problems Institute, Russian Academy of Sciences (RAS) (Russia)
Olga Nasonova (email@example.com), Institute of Water Problems of the Russian Academy of Sciences (Russia)
Information for the model SWAP is provided for the simulation rounds shown in the tabs below. Click on the appropriate tab to get the information for the simulation round you are interested in.
Natural Vegetation Cover Dataset: We aggregated parameters taken from ECOCLIMAP for 0.5 deg grid cells
Management & Adaptation Measures
Extreme Events & Disturbances
Key Challenges: Time step should be finer to reproduce high flow more accurately.
Potential Evapotranspiration: See papers
Snow Melt: Energy balance
How Is Vegetation Represented?: prescriped
Approach Used To Simulate Vegetation Dynamics: Fixed monthly vegetation characteristics.
Runoff Routing: Kinematic wave equation for water transfer within a grid cell and a linear routing scheme by Oki et al. (1999) for water transfer in a river channel.
Routing Data: Routing data were prepared by ourselves
Was The Model Calibrated?: True
Was The Model Validated/Evaluated?: True
Calibration And Validation Periods: SWAP was calibrated and validated against monthly values of measured river runoff with application of forcing data from the WATCH data set for the period of 1970-2001, eight of which (different for different rivers depending on the available measured runoff) were used for calibration; the rest years were used for model validation.
Calibration And Validation Method: Calibration was carried out automatically using the SCE-UA. The Nash and Sutcliffe efficiency was used as an objective function. The search for the maximum of the objective function was performed, under the condition that an absolute value of bias does not exceed 5%. For the Lena and MacKenzie rivers, calibration for discharge was performed at three gauges, while for the rest rivers at the basin outlets.
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