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Title: Aquatic contaminant and mercury simulation modules developed for hydrologic and hydraulic models
Authors: Zhang, Zhonglong.
Johnson, Billy E.
Keywords: Water quality
Mercury--Environmental aspects
Hydrologic models
Hydraulic models
Publisher: Environmental Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Environmental Quality Technology Research Program (U.S.)
Series/Report no.: ERDC/EL ; TR-16-8
Abstract: This report offers details regarding the theory and mathematical formulations implemented in the newly developed general constituent simulation module (GC), contaminant simulation module (CSM), and mercury simulation module (HgSM). The GC models simple kinetics for multiple size classes of solids and user-defined constituents in the water column. The CSM models the kinetics of user-defined contaminants in aquatic systems. The kinetic processes modeled in CSM include: ionization, multi-phase partitioning, degradation, photolysis, hydrolysis, volatilization, generalized second-order reaction, and transformations where one chemical species undergoes a reaction and is transformed to a daughter product. The HgSM models mercury species (elemental mercury, inorganic mercury, and methyl mercury) and their cycling in aquatic systems. The three water quality modules only compute internal sources and sinks of each state variable for both water column and an underlying sediment layer. The GC, CSM and HgSM modules are written as “plug in” dynamic link libraries and compiled as GC.dll, CSM.dll and HgSM.dll respectively. These modules have been integrated into the HEC-RAS model and will also be integrated into other hydrologic and hydraulic models (e.g. AdH and SRH-2D).
Appears in Collections:Technical Report

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