EE10 implements a significant enhancement in the pre- and post-processing capabilities of the EFDC_Explorer Modeling System. Along with new features and capabilities, EE10 presents an improved system of organizing the model settings and the viewing option that will be familiar to users acquainted with GIS and similar software tools.
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Subsequent sections provide an in-depth explanation of each of the Model Control Form, plan view of the model (2DH View), slice views (2DV View), Time Series, Longitudinal Profiles Plots, Vertical Profiles. At the lower level the operation of the Model Control Form is similar to previous versions of the EE8 series, although navigating to the forms is quite different.
A separate How-To Guide for EE10 provides step-by-step guidance on how to set up, run, and visualize a variety of different models.
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https://www.eemodelingsystem.com/wp-content/Download/Documentation/EFDC_Theory_Document_Ver_11.pdf
What's New in EEMS 12.0?
The major advance in EEMS 12 is the addition of the GOTM (General Ocean Turbulence Model) to EFDC+ and EE. In addition, algae vertical migration is now simulated by EFDC and configured in EE. The major change to EE is the new capability of handling the Geographic coordinate system. Other changes include:
- Macrophyte Hydrodynamic Feedback
- 3TL timestep adjustment, MPI for 3TL
- Move QSER inflows
- Improved wind-generated wave approach
- Buoyancy with potential temperatures
- Navigation locks
- Improved vegetation drag approach
- Jet-Plume with W/R flow for MPI
What's New in EEMS11.4 to 11.7?
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- Export MP4 format
- EE can now access ship info from the “EEMS Ship Database”
- Time series contour now enabled for WQ parameters
What's New in EEMS11.3?
DSI has developed a new generation grid-building tool called Grid+, which is available with the release of EEMS11.3. Grid+ replaces our previous grid generator, CVLGrid which is still available in EEMS10.3. User guidance for Grid+ is available here. The new EEMS also contains the following enhancements:
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Use of Spatially and Temporary Varying Fields
EEMS10 now has the ability to simulate spatially and temporally varying fields, such as wind or barometric pressure fields. EFDC+ can receive time varying forcings within its computational domain from external sources in the form of ASCII or binary files. These fields can be configured for:
- Topographic data (e.g., dredging/dumping, land erosion/reclamation, subsidence)
- Roughness (e.g., seasonal roughness)
- Vegetation field
- Seepage/groundwater flow
- Wind field (e.g., cyclone)
- Barometric pressure field (e.g., cyclone)
- Rainfall
- Evaporation
- Wind shelter field
- Sun shading field
- Ice thickness
- SEDZLJ erosion rate multiplier
- SEDZLJ erosion rate exponent
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- Face blocking can be applied to block vertical layers. The user defines the height from the top (draft) and bottom (sill) of the water column for the blocking layer
- Layers may be configured as fixed or floating and can be attached to an anchor.
- This new capability allows the model to simulate partially blocked depths due to floating objects (e.g. ships and bridges), baffles, submerged weirs, and/or other submerged features. The blockages influence flow, constituent transport, particle tracking, and wave action.
Other Enhancements
- Dry and wet atmospheric deposition of toxics
- Restructured water column transport and vertical diffusion to reduce computational times.
- Spatially varying background vertical diffusivity (AVO).
- The reported flows in the EE linkage file EE_BC.OUT now contains integrated flows for better mass balance calculations in EE.
- Other code changes to improve model performance and accuracy.
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