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| BASEMENTBasic Simulation Environment for computation of environmental flow and natural hazard simulationLaboratory of Hydraulics, Hydrology and Glaciology (VAW)ETH Zurich |  |
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#1 2020-09-15 12:12:44
- Alyssa
- User
- From: Aix-en-Provence, France
- Registered: 2019-10-28
- Posts: 41
Grain size distribution of bedload
Hi
Is there a way to know the grain sizes distribution of the bedload? To know the average grain size of what is being transported through the reach. I could only find the grain size of the layers per cross section but for bedload I can only see volume.
thanks
Alyssa
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#2 2020-09-16 12:59:06
- Alyssa
- User
- From: Aix-en-Provence, France
- Registered: 2019-10-28
- Posts: 41
Re: Grain size distribution of bedload
I guess it can be done by using the relative volumes which are given in the out.dat file for a specific Q.
So (bedload flux for Dx)/(bedload flux total) we get a % which we can then relate to the grain size.
I don't think there is an output type that can do that immediately?
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#3 2020-09-17 08:46:52
- Matteo Facchini
- Developer
- From: Trento
- Registered: 2014-09-05
- Posts: 284
Re: Grain size distribution of bedload
Nope, there is not.
The "matlab" output is a short version of the .out file. There you have the % in the active layer and in the sublayer.
With a python script you could read, extract and calculate whatever you need from the out file 
Cheers,
Matteo
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