A Review of EFDC Versions
Over the years, multiple versions of EFDC developed and supported by different organizations have come become available. This post reviews some of these versions and provides the key differences among them.
Lake Okeechobee Hurricane Simulation
In recent decades, loss of life from natural disasters has dropped considerably as we have become better…
Estimating Ship Engine Power for EFDC+ Propeller Wash Simulations
Developing a propeller wash model requires specifying the ship and propeller properties as model…
EEMS10.4 to WASP8 Linkage
The Water Quality Analysis Simulation Program (WASP) is a dynamic, spatially-resolved, differential mass…
Single-layer vs. Multi-layer Simulations in EEMS
The selection of single-layer vs. multi-layers for simulating hydrodynamic and water quality depends upon…
Compile EFDC+ Source Code using Intel oneAPI
To support the scientific community, DSI offers an open-source version of EFDC+. This refers to the EFDC+8.5….
Modeling Tropical Cyclones in EEMS
The upcoming release of EEMS10.4 will feature a new tropical cyclone module. This module will allow the user…
Using EEMS to Model the Effects of Sediment Dredging
Dredging refers to excavating sediments under a water body. The purpose for each dredging operation varies…
High-Resolution Marine Cadastre AIS Data for Propwash Modeling
Propeller wash (propwash) causes sediment scour in the seabed that can threaten the safety of structures….
Coupling HSPF Water Quality Model with EFDC+
Kingston Ferry Terminal Propwash Simulation Sediment erosion caused by propeller wash from ships is of considerable…
Kingston Ferry Terminal Propwash Simulation
Kingston Ferry Terminal Propwash Simulation Sediment erosion caused by propeller wash from ships is of considerable…
Lake Washington Real-Time Model
BACK Lake Washington Real-Time Model DSI recently developed a real-time model for Lake Washington, along with a public-access model portal. The portal allows users to view historical and current data on measured and simulated water levels, temperature, and velocity, presented in map view, time series, and vertical profiles. Users can also compare the data with…
JSON Formatted Files in EEMS
BACK JSON Formatted Files in EEMS JSON (JavaScript Object Notation) is an increasingly common standard data format to store and transmit data objects that use text designed to be easily read by humans. JSON serves as a syntax for serializing objects, arrays, numbers, strings, booleans, and null. Although it is based upon JavaScript syntax, it…
Enhancements to the EEMS GUI
BACK Enhancements to the EEMS GUI As we added new features to EFDC+, our Graphical User Interface (GUI), EFDC_Explorer (EE) has also changed to support these new features and capabilities. In this post, we describe three major changes in the GUI. Water Quality Interface With EFDC+’s new ability to simulate unlimited algal, macrophyte, periphyton, and…
Modeling Interaction Between Phytoplankton and Zooplankton in EEMS
BACK Modeling Interaction Between Phytoplankton and Zooplankton in EEMS Introduction Zooplankton population modeling is a significant new feature in the recently released version of EFDC_Explorer Modeling System (EEMS 10.3). Built as a sub-module of the Water Quality module, the new zooplankton feature is a first step toward modeling the effects of eutrophication on higher-level predators.…
Transforming Node Time Series Model Result to EE Field File
There can be multiple reasons when a modeler needs to incorporate results from another model. It can be the lack of direct measurement of specific properties or…
Testing EFDC+ Propeller Wash Module with Sediment Transport Process
This post introduces a simple testing process to demonstrate how the propeller wash module works with EFDC+’s sediment transport process modeling features.
NetCDF-CF and UGRID Formats
The Network Common Data Form (NetCDF) data format was originally intended to create, access, and share array-oriented data in a form that is self-describing and portable…
Creating Great Animations in EEMS
Communicating your modeling results to a wide variety of audience is as important as developing a good model. Animating the processes is one of the most powerful ways in which a modeler…
Simulating Wind-Induced Waves in EEMS
Wind-induced waves affect the propagation of gravity waves. Wave modeling hindcast is a critical step for wave energy development and…