In order to visualize pre- and post-process sediment bed data and output, there are a number of special options for visualization in the 2DH, time series, and longitudinal plots as described below.
2DH View
The sediment can be visualized and animated in 2DH View. The parameters to be viewed can be added to the 2DH View by clicking the Add button in the 2DH View Layer Control then selecting Primary Group: Sediment Bed as shown in Figure 1. For the original sediment EFDC, the parameters include Bed Top Layer, Bed Thickness, Bed Density, Bed Porosity, Bed Mass, Bed Mass Fraction, Bed d50, Bed Delta, and Bed Topography.
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Figure 1. Original Sediment Bed Layer in 2DH View.
In the Layer Settings, display for all layers, top layer, or for a specific layer or depth can be made as shown in Figure 2.
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Figure 3. Layer Settings for Sediment Bed Layer in 2DH.
When the model contains multiple classes, EEMS allows the user to display the output for each class in 2DH View by selecting the class settings as shown in Figure 3.
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Figure 3. Class Settings for Sediment Bed Layer in 2DH.
In terms of the sediment SEDZLJ model, the model output of the SEDZLJ Sediment Bed has a number of special viewing options in 2DH View. The parameters include SEDZLJ Core ID, SEDZLJ Skin Friction, SEDZLJ D50, SEDZLJ Erosion Rate, Net Deposition, SEDZLJ Bedload Chemical Fate and Transport, SEDZLJ Bedload Flux, SEDZLJ Bedload Vector, and SEDZLJ Bedload Mass.
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Figure 4. Sediment SEDZLJ Layer in 2DH View.
Time Series
A sediment bed time series can be visualized by clicking the Time Series button or the icon 
of the main toolbar. The Extract Time Series Data tab will be displayed as shown in Figure 5. It is possible to plot the time series for a single cell or multiple cells. Firstly, defying the cells to plots is in the box under Selected Cells. When the L index has been entered the corresponding I and J indices are filled automatically. The parameter should be defined in the box, Primary Group: Sediment Bed and then the drop-down list of parameters may be selected from. Add and remove parameters using the left and right arrow button. The user may define the start and stop day for the time series in Time Series Start/Stop frame (note that the start and stop days should be within the model's start and end date). Clicking OK plots the selected graphs as shown in Figure 6.
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Figure 5. Extract Time Series Data.
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Figure 6. Sediment Bed Thickness Time Series.
Longitudinal Profiles
Longitudinal profiles can be visualized by clicking the Longitudinal Profile button or the icon 
of the main toolbar. Figure 7 show the Data Extraction for Longitudinal Profile form. This form is similar to the Data Extraction for 2DV View form. To plot a longitudinal profile it is necessary to define the profile using the drape file or I, J indices and then define the parameter to the plot. The parameter should be defined in the box, Primary Group: Sediment Bed . Add and remove parameters using the left and right arrows. Once everything is ready, click OK to generate the plot. Figure 8 shows a longitudinal profile for bed mass fraction along the I column 81.
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Figure 7. Data Extraction for Longitudinal Profile.
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The sediment bed and sediment in the water column can be visualized in the 2DH View. Selecting sediment parameters in the water column are shown in Figure 1. They include Total Suspended Sediments, Cohesive Sediment, and Non-cohesive Sediment.
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Figure 1. Add Sediment in the water column in 2DH View.
Selecting sediment bed parameters is shown in Figure 2. They include Bed Top Layer, Bed Thickness, Bed Density, Bed Porosity, Bed Mass, Bed Mass Fraction, Bed d50, Bed Delta, and Bed Topography.
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Figure 2. Add Sediment bed in 2DH View.
In terms of the sediment SEDZLJ model, the model output of the SEDZLJ Sediment Bed has a number of special viewing options in 2DH View as shown in Figure 3. The parameters include SEDZLJ Core ID, SEDZLJ Skin Friction, SEDZLJ D50 (Active Layer), SEDZLJ Erosion Rate, SEDZLJ Deposition Rate, Net Deposition/Erosion Rate, SEDZLJ Bedload Chemical Fate and Transport, SEDZLJ Bedload Flux, SEDZLJ Bedload Vector, and SEDZLJ Bedload Mass.
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Figure 3. Add Sediment bed of SEDZLJ model in 2DH View.
For the SEDZLJ Erosion Rate, SEDZLJ Deposition Rate, andSEDZLJ Net Deposition/Erosion Rate layer, it can select the sediment class in the drop-down list, as shown in Figure 4.
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Figure 4. Class Settings of Sediment Bed Layer in 2DH View.
Time Series, Vertical Profiles, and Longitudinal Profiles are the same as the description in the Salinity Visualization.