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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DSI, 2020. EFDC_Explorer10 User Guide, DSI, LLC, Edmonds, WA, USA, 2020.
Available at https://eemodelingsystem.atlassian.net/wiki/spaces/EK/pages/223051777/EFDC_Explorer10+User+Guide Accessed on YYYY-MM-DD
What's New in EEMS10.3?
Enhancements to EEMS10.3 provide powerful new sediment transport capabilities in the propwash module, as well as a significant upgrade to the aquatic biota capabilities. These enhancements and several others are outlined in this page, and briefly summarized below with links to the relevant pages in this User's Guide. Changes have been made to bother EE and EFDC+ unless otherwise noted:
- Propeller wash module
Unlimited Number of Algal and Periphyton groups,
Unlimited Zooplankton Groups
- Oil Wind Shear
Improved Wind Wave Options (EE)
What's New in EEMS10.2?
EEMS10.2 provides a number of significant enhancements to this modeling system. These are outlined in this page, and briefly are briefly summarized below with links to the relevant pages in this User's Guide. Changes have been made to bother EE and EFDC+ unless otherwise noted:
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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 a 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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