Recent Enhancements to EFDCPlus/EFDC_Explorer Modeling System Capabilities

Owned by Kester Scandrett
Last updated: 23 Apr, 2018
1 min read

Release 8.4.0

April 2018

Major New Features

  • Habitat analysis with critical limits time series
  • Habitat Suitability Criteria (HSC) analysis with Instream Flow Incremental Method (IFIM)
  • Time variable and rule-based control of sluice gates
  • Rule-based control of the withdrawal/return boundary


Minor New Features

  • Improved structure for EFDC+ output files for increased reading speed and logic.
  • Spatially variable AHD and AHO
  • Momentum option for the flow boundary type
  • Groundwater linked to mass balance
  • Elevation specified – Free tangential open boundary condition
  • Whole channel rating curve option
  • Improved calibration tools for statistics, plotting formats, sub-periods
  • Ability to edit and save KML files in EE.
  • Saved plots features

Release 8.3.0 (171009)

October 2017

Major New Features

  • Mass balance conserved in SEDZLJ sediment sub-model
  • Toxics capability added to the SEDZLJ sediment sub-model
  • Volatilization and Biodegradation added to toxics
  • Sigma-Zed sub-model enhanced to support one vertical layer
  • Sigma-Zed sub-model linkage files to exclude unused vertical layers


Minor New Features

  • Rooted Plant and Epiphyte sub-model initialization
  • Continuation runs updated for enhanced Sigma-Zed and SEDZLJ models
  • Saved plots feature updated
  • Added new boundary condition options for SWAN Input Settings
  • Extract vertical profiles of water column data in the format needed by EE for using profiles for setting IC’s.
  • Vertical Profile display option
  • Tool for smooth open boundary conditions
  • Jet plume interface updates
  • Updates to GUI for toxics and new option to set initial conditions for DOC and POC.
  • Added growth factor for Dynamic Time Stepping
  • Can set bottom layer for SGZ in ViewPlan edit at bottom of form.
  • Reset uniform layers function for Sigma-Zed


Bug Fixes

  • COD decay rate consistent across forms
  • RPEM output and linkage issues