Computer Modeling for Water Resources
Omni staff members have contributed to state-of-the-art environmental modeling by developing models at various points in their careers. We communicate regularly with agencies such as the U.S. Environmental Protection Agency, which has developed and supports various environmental models, and we have applied such models to a variety of cases. We have also conducted research in the development of models and their algorithms. For example, regarding the fate of toxic contaminants, Omni staff members have developed models for issues related to adsorption and hence the ultimate movement of such contaminants through the environment. Although Omni is quite capable of handling very complex mathematical simulation models, it is our philosophy that the complexity of the model chosen should be appropriate to the case under study. In many situations, simplified mathematical models, even graphical models, are better employed for arriving at substantive and definitive conclusions. Some models with which Omni staff are experienced includeQUAL2E, WASP, DEM (Dynamic Estuary Model), CORMIX, EPANET, KYPIPE, HEC-1, HEC-2, HEC-6, TR-55, TR-20, HSPF, HydroCAD and SWMM. Omni's staff has developed models including ODM (Omni Diurnal Model) for simulation of diurnally varying dissolved oxygen due to plant-nutrient dynamics, and OMNIWASP, a version of WASP for simulation of systems where rooted plants and macrophytes are critical in simulating oxygen and nutrient dynamics. Examples of cases in which Omni has conducted computer modeling include TMDLs, wasteload allocations, ground water simulation of toxic substances, nutrient studies, flow and water quality in water distribution systems, and dilution/plume studies for coastal and tidally influenced waterways.
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In today's technologically advanced society, computer modeling of environmental systems has become standard. Models enable professionals to simulate environmental systems by using equations which can be solved many times very simply by a computer. Well known for our expertise in computer modeling, we are regularly retained by other consulting firms who recognize our unique capability.
