Model Code Name:
EFDC (Environmental Fluid Dynamics Code) / HEM3D (Three-Dimensional Hydrodynamic-Eutrophication Model)  

Description:
A code to simulate 3D hydrodynamics (water level, current vlocity, salinity, temperature, and a conservative substance) for coastal oceans, estuaries, tidal rivers, and lakes  

Purpose:
Hydrodynamic Model  

Type:
Distributed model orthoganal grid  

Mathematical Type:
 

URL:
 

Minimum Time Step:
Depends on Grid Resolution  

Maximum Time Step:
Depends on grid resolution  

Version:
 

Publication date:
01-Jan-1992  

Publications:
Title Published? Publication URL Digital Object Identifier Authors Year Published Other Details
A modeling study of water and salt exchange for a micro-tidal, stratified northern Gulf of Mexico estuary https://www.researchgate.net/publication/258665511_A_modeling_study_of_water_and_salt_exchange_for_a_micro-tidal_stratified_northern_Gulf_of_Mexico_estuary   https://doi.org/10.1016/j.jmarsys.2012.02.008  Kim, C.K. and Park, K.  2012  Journal of Marine Systems, 96-97, 103-115 
Plugging the leak: Barrier island restoration following Hurricane Katrina enhances habitat quality for oysters in Mobile Bay, Alabama https://www.sciencedirect.com/science/article/pii/S0141113613002158?via%3Dihub   https://doi.org/10.1016/j.marenvres.2013.12.003  Park, K., Powers, S.P., Bosarge, G.S., Jung, H.-S.  2013  Marine Environmental Research, 94, 48-55 
Role of baroclinic processes on flushing characteristics in a highly stratified estuarine system, Mobile Bay, Alabama        
Circulations in Mobile Bay: different responses to river discharge between deep ship channel and shallow region        

Computing Parameters:
Parameter Name Input/Output
Water Level 
Current Velocity 
Salinity 
Temparature 
Freshwater input 
Surface wind 
Water level at open boundary 
 

Keywords:
EFDC
HEM3D
 

Computing requirements:
Operating SystemCode languageCPU/NODESystem MemoryComments
Not OS specific  Fortran    Depending on grid resolution, i.e., the number of grid cells  Not OS specific - needs Fortran compiler 
 

Responsible Parties:
NameOrganisationCountryEmail
Kyeong Park   University of South Alabama / Dauphin Island Sea Lab   USA   parkk@tamug.edu  
Brian Dzwonkowski   University of South Alabama / Dauphin Island Sea Lab   USA   briandz@disl.org