3. Formation of gravel bars

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Armored layer formation according to CCHE2D modeland ARMOUR for the same flow conditionsp i[%]100908070605040302010mixed granulometryarmored bedinitial2.53.52.75depth[meters]00 0.02 0.04 0.06 0.08 0.1 0.12 0.14d i [m]
4. Conclusions► The CCHE2D model allowed to predict in detailesmorphological changes along the reach of the Skawa Riverwhich is under influence of the back-water curve of theSwinna Poreba water reservoir,►►Back-water curve of the water reservoir Swinna Porebainfluences the initial conditions of bedload transport byreducing the value of shear stresses and because of thatstrong deposition takes place,The results of simulations the sediment transport quantityand armouring layer formation using the software developedat the Agricultural University of Krakow are comparable able withresults obtained fromnumerical modeling with CCHE2D,
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Agricultural University of Krakow,
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1. IntroductionThe work present wor
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2. Mountain streams bedload incipie
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3. Formation of gravel barsBank ero
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3. Formation of gravel barsalternat
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3. Formation of gravel barsGravel b
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Mountain streams bedload incipient
Page 19 and 20: Mountain streams bedload incipient
Page 30 and 31: 4. Modeling of fluvial processesMat
Page 32 and 33: The project is important for Nation
Page 34 and 35: Materials and methods- description
Page 36 and 37: Autumn2002Spring2004Autumn2004Fot.
Page 38 and 39: Field measurements
Page 40 and 41: Field measurementsThe Skawa River t
Page 42 and 43: Mathematical model - GoverningEquat
Page 44 and 45: The Skawa River andSwinna Porebares
Page 46 and 47: The Skawa River - meshgenerating
Page 48 and 49: The Skawa River - meshgenerating
Page 50 and 51: Velocity magnitude for Q=35m3·s-1
Page 52 and 53: Velocity magnitude for Q=205 m3·s-
Page 54 and 55: Bed shear stress magnitude for Q=28
Page 56 and 57: Average water slopes along the rese
Page 58 and 59: Modeleded water surface levels (WSL
Page 60 and 61: Bed elevationchanges: Q=205m 3 ∙s
Page 62 and 63: Median size d 50 changes along the
Page 64 and 65: Bed material composition for size c
Page 66 and 67: Grain sizedistribution atcross-sect
Page 68 and 69: Suspended load concentration for fr
Page 72 and 73: ACKNOWLEDGEMENTThe project FORECAST
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3. Formation of gravel bars

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