hydrodynamic modelling of loch shell - masts.ac.uk · loch shell survey - adcp transects 04/06/2014...
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MASTS NEHM Workshop
19/04/2018
Gunda Wieczorek
Hydrodynamic Modelling of
Loch Shell
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Loch Shell – Isle of Lewis
Mid Shell East & West
StornowayStornoway
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Residue Results
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Model Grid 2D and 3D
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Wind Directions at Stornoway
2001 2006
2011
2001 2006
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Bathymetry and Hydrographic Survey –
Loch Shell 2014
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Current Measurements
Investigation of transport mechanism of pollutants in a Sea Loch
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Temperature and Salinity
Mouth Head
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Model Results: Depth AveragedDirection 2006Speed 2006Speed 2006
Direction 2001Speed 2001
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Model Results: Individual Layers 2006
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Model Results: Individual Layers 2001
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Model Speed & Direction 2006
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Teflubenzuron: Measured vs. Modelled
2016 vs. 2011-2012
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Teflubenzuron Modelled Impact
Maximum Extent of Teflubenzuron
Extent during Sampling of Teflubenzuron
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• Numerical Hydrodynamic Modelling is required to
address the challenges of a growing aquaculture sector
in Scotland
• SEPA are applying MIKE21 FM and MIKE3 FM trying to
explain measured extent of chemicals.
• Quiescence sea lochs like Loch Shell are difficult to
model accurately and good calibration and validation
data is needed to be able do this
Next steps
• Simulate Emmemectin dispersion in Loch Shell in 2D
• Develop sediment transport model in 3D for
Teflubenzuron & Emmemectin
Thanks!
Summary