Introduction hydrologic and hydraulic modelling using MIKE 11

Introduction hydrologic and hydraulic modelling using MIKE 11 (NAM and HD) Gennadiy Donchyts UCEWP, Kiev

Contents n n n n n NAM model overview HD model overview Building model, calibration and verification Hydro-meteo (Q, h, P, T, E) Cross-sections (distance, accuracy, source data) Structures (bridges, weirs, gates, reservoirs, etc. ) Additional data (DEM/DTM, TIN, Vector, Satellite, Aerial) Calibration and verification process Example flood-related projects in Transcarpathia

Processes that can be simulated by MIKE 11 NAM HD

Hydro and morphological data used for the rainfallrunoff model customization

NAM – introduction n n NAM model is deterministic, lumped, conceptual model NAM is a set of linked mathematical statements describing the behaviour of the land phase of the hydrological cycle

Structure of NAM model n n Snow storage Surface storage Lower and root zone storage Groundwater storage

Conceptual diagram of NAM

Data requirments n n Model parameters Initial conditions Meteorological data Hydrological data

Hydrologic and meteorological data for NAM n n n Rainfall (mm) Potential evapotranspiration (mm) Temperature (Co) Discharge (m 3/s) Water level (m)

Mike 11 calibration. NAM model n 9 subcatchments ¡ ¡ Uzh – 4 subcatchments Latoritsa – 5 subcatchments

Input data for NAM

Uzh River calibration, 1998 Zhornava 550 km 2 Zaricheve 1280 km 2 Uzhgorod 1970 km 2

Main screen of the NAM model

Uzh River calibration, 1998

Uzh River calibration, 1998

Uzh River calibration, 2001

Uzh River calibration, 2001

Mike 11 HD model n n MIKE 11 is a hydrodynamic model that computes unsteady flows in river and estuaries. Sev-Venan equations ¡ ¡ Mass balance Momentum balance

Data requirments n n n Model parameters Initial conditions (Q, h) Boundary conditions (Q, Q/H) Lateral inflow (NAM results Hydraulic structures data

Bridge example

10 000 map example

MIKE 11 Time-Series data (. dfs 0)

MIKE 11 customisation n Preparation of data in the MIKE 11 files format Hydrodynamic model setup (HD river network schematization) Model calibration and validation

MIKE 11 Crossections data (. xns 11)

MIKE 11 River network data

Mukachevo NAM Rainfall-Runoff model validation Nelipine

Mike 11 calibration Latoritsa Dyke breaks occurred Not enough Too much Polders were used

Slatina Charonda Storage -Latoritsa Stara channel Visokoberezhniy