Bien Hoa Airport Dioxin Investigation, Vietnam

Services Rendered: Dioxin Fate & Transport Sediment Deposition/Resuspension EFDC Modeling Hydrologic Modeling Mitigation Measures The Office of National Steering Committee 33 (Office 33), of the Ministry of Natural Resources and Environment (MoNRE) contracted Dynamic Solutions-International, LLC (DSI) to conduct the “Preliminary Contaminant Transport Study of Dioxin in and Around Bien Hoa Dioxin Contaminated Hotspots”. The…

Danang Airport Dioxin Investigation, Vietnam

Services Rendered: Dioxin Fate & Transport EFDC Modeling Sediment Deposition/Resuspension Hydrologic Modeling Interim Remedial Design Dynamic Solutions-International, LLC (DSI), under contract to BEM Systems, performed several subtasks as the lead technical expert for dioxin fate and transport. The following tasks were completed: Hydrologic and hydraulic assessment of the drainage system of the Da Nang Airport.…

Housatonic River PCB Study, MA, USA

Services Rendered: EPA Peer Review EFDC Hydrodynamic Modeling EFDC Sediment Transport Modeling HEC-6 Sediment Transport Modeling HSPF Watershed Modeling PCB Fate and Transport Modeling Code Testing and Revision Development of Modeling Tools Sophisticated Data Analysis Sediment Stability Study Bank Erosion/Stability For decades, PCBs had been released onto the soil near and into the Housatonic River…

Evaluating Forced Evaporation with Comparisons to EPRI and USGS Approaches, AL, USA

Services Rendered: EFDC Hydrodynamic Model Environmental Impacts Thermal modeling Client: Alabama Power Company Contact: Jon Ponstein Dates of Performance: Ongoing (2015) Electricity production accounts for one of the largest water usages in the United States and worldwide. Water for thermoelectric power is used in generating electricity with steam-driven turbine generators. Surface water was the source…

Real-time Thermal Hydrodynamic Model Decision Support Tool, AL, USA

Services Rendered: EFDC Hydrodynamic Model Environmental Impacts Real-time Modeling Technical Training Client: Alabama Power Company Contact: Jon Ponstein Dates of Performance: Ongoing (2015) DSI developed a real-time three dimensional hydrothermal model for Coosa River, AL, between Logan Martin Dam and Lay Dam using Environmental Fluid Dynamics Code (EFDC) and pre/post processor EFDC_Explorer (EE). The model’s…

North Saskatchewan River WQ Modeling Report, Canada

Services Rendered: EFDC Hydrodynamic Model Sediment Transport Study Water Quality Modeling Environmental Impacts Technical Training Client: Alberta Environment & Water, Canada Contact: Robert Magai Environment and Sustainable Resource Development, AEW Dates of Performance: Completed Dynamic Solutions – International, LLC, provided calibration support to Alberta Environment and Sustainable Resource Development (ESRD) for the North Saskatchewan River…

Nam Xot DTM and Flood Impact Study, Laos

Services Rendered: GPS/Geospatial Data Analysis ADCP Data Processing Reservoir Sedimentation Flood Impacts Dynamic Solutions – International, LLC (DS-INTL), was contracted by the NTPC to develop a digital terrain model (DTM) of the Nam Xot embayment. The Nam Xot flows into the recently impounded Nam Theun 2 (NT2) reservoir. The transition zone of the Nam Xot…

FDEP Klosterman Bayou, Model Development, Watershed and WQ Modeling, FL, USA

Services Rendered: TMDL Model Development TMDL Support EFDC 3D Water Quality Model HSPF/EFDC Linkage Waste Load Allocations A watershed pollutant loading model and a receiving water quality/ hydrodynamic model for dissolved oxygen and nutrients were setup, calibrated, and validated. These models were used to develop TMDLs for the tidally influenced and impaired segment of Klosterman…