Mass Balance Calculation for Waterbodies using EEMS
Modeling the waterbody requires the estimation of mass balance of all the constituents that enter and exit the modeling domain…
Impact of Elevation on DO Saturation
A commonly recognized phenomenon is that as the altitude increases, the atmospheric pressure decreases. Decreased atmospheric pressure leads to a decrease…
Selecting Hydrodynamic and Water Quality Modeling Software
The modeling software you select for your project depends on project objectives, budget, schedule, and available programming resources. A general set of modeling…
A Review of EFDC Versions
Over the years, multiple versions of EFDC developed and supported by different organizations have come become available….
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+
Developing a hydrodynamic or a water quality model may require input of boundary conditions from other models…
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
DSI recently developed a real-time model for Lake Washington, along with a public-access model portal…
JSON Formatted Files in EEMS
JSON (JavaScript Object Notation) is an increasingly common standard data format to store and transmit data objects that us…
Enhancements to the EEMS GUI
As we added new features to EFDC+, our Graphical User Interface (GUI), EFDC_Explorer (EE) has also changed to…
Modeling Interaction Between Phytoplankton and Zooplankton in EEMS
Zooplankton population modeling is a significant new feature in the recently released version of …
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.