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LESSE PILOT STUDY – DENDRE PILOT STUDYWAMM ACTIVITIES IN BELGIUM
EUROPEAN COMMISSION - DIRECTORATE GENERAL XIII
THE INNOVATION PROGRAMME
Marco Gonella – Bernard Hanquet
WAMM
DIGITAL TERRAINMODEL
RAINFALL GAUGES
FLOODEDAREAS LEVEL
METERS
SOILMOISTURE
RAINFALL RADARSATELLITE
WAMM LAY-OUT
Lesse Catchm ent
M euse River
Dendre Catchm ent
SOIL MOISTURE ANALYSIS
Lesse Catchment
Rainfall-runoffsim ulations w ithNAM – M IKE 11m odel
SUBCATCHMENTS, DTM, TC
HYDROLOGICAL PARAMETERS FROM GIS ANALYSIS
DETAILED MIKE 11 NETWORK
CALIBRATION THROUGH HYDROLOGICALANALYSIS
Mean pixel valuefor each sub-basin
6 SAR images from September1992 to April 1993
SOIL MOISTURE EVALUATION FROM SAR
Faculté Universitaire des Sciences Agronomiques de Gembloux - WAMM project - DHI Software Conference - 07/06/1999
Relation SAR/soilmoisture for eachsub-basin
6 simulated soil moisture maps(EPIC-GRID model)
Mean pixel value for each sub-basin
SOIL MOISTURE IN NAM
• SM = U (physical meaning of U)
• SM = L (SM is a superficial “sample” of L)
U
L
SM (SAR)
SM (SAR) – SM (L,U) ANALYSIS
SM (SAR) CAN BE USED TO VERIFY THE ACTUAL STATE OFTHE SOIL MOISTURE (L,U) IN THE MODEL
SM (L,U,k)
SM (L)
SM (L,U)
FLOODED AREAS ANALYSIS
DEM 30X30 m (H 1 m) AVAILABLE FOR THE LESSE RIVER
TOPOGRAPHICAL PROBLEMS
LACK OF GEOMETRICAL DATA
RELIABILITY
SIGNIFICANCE PROBLEMS COUPLING HD RESULTS WITHTHE TOPOGRAPHY
ACCURATE DEM (TOPO AND BATHYMETRICAL) ARE NEEDED
NEW SURVEYS MADE BY SETHYWITH ADVANCEDTECHNOLOGIES
MULTIBEAMBATHYMETRY
COUPLED WITH
AEROLASERTOPOGRAPHY
GIS DATA MANAGEMENT OFTHE MEUSE RIVER ATDINANT
AEROLASERTOPOGRAPHY
MULTIBEAMBATHYMETRY
HIGH ACCURACY OF THE DATA
CROSS SECTION DATA EXTRACTION FROM THEDEM WITH THE WAMM TOOLBOX IN MIKE 11
SIMULATION OF THE 1993FLOOD EVENT
Maximum floodextent at first runwith uncalibratedmodel
Zone coveredby the DEM
Traces ofinundationdetected bySAR
COMPARISON WITH SAR IMAGES
HIGH PERFORMANCES OF MIKE 11 GIS FOR FLOODSIMULATIONS STARTING FROM HIGH QUALITY DATA
HYDRAULIC SIMULATIONS WITH STRUCTURES
Dendre Catchment
HD MODEL
NAM MODEL
CONTROLSTRUCTURES
COMPLETE MODEL SET-UP
HYDRODYNAMIC MODEL
MULTI-CHANNELMODEL
RAINFALL-RUNOFF MODEL
RAINFALL-RUNOFF MODEL
AUTOCALIBRATION
MODULE
STRUCTURE OPERATION MODEL
NEW FEATURESIN MIKE 112000: MORECOMPLEXREGULATIONSTRATEGY
NORMALREGULATION:
FIXEDUPSTREAMLEVEL
OVERRIDEREGULATION:
ALL OPEN
CONCLUSIONS
Lesse CatchmentRADAR DETECTED SOIL MOISTURE IS A GOOD INFORMATION TOVALIDATE ON REAL TIME THE RAINFALL-RUNOFF MODELS
Meuse RiverHIGH PERFORMANCES OF MIKE 11 GIS FOR FLOODSIMULATIONS CAN BE OBTAINED STARTING FROM HIGHQUALITY TOPO-BATHYMETRICAL DATA
Dendre CatchmentWAMM APPROACH (MIKE 11 HD MODEL) ALLOW THEREPRESENTATION OF REGULATED CHANNEL BOTH IN CASE OFNORMAL AND EXTREME CONDITIONS
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