Macroscale diffusion-limited sorption modeling; a preliminary modeling exercise for a Dover AFB site
|Authors:||Herman, J. T.|
|Source:||No.AFIT/GEE/ENC/95D-04, 45p. Institution: U. S. Air Force Institute of Technology, Wright-Patterson AFB, OH, United States|
|Note:||In English. Master's thesis|
|Summary:||A modification was made to the USGS SUTRA code which allowed the simulation of macro scale diffusion effects from specific layers. The code was applied to a conceptual site developed from a field site at Dover AFB, DL Simulations were done to compare the modified code to the unmodified code which clearly showed the modified code as a closer representation of reality. Simulations were also done to study the effects of pulsed and continuous pumping within the time frame of a field experiment at Dover. These simulations indicated that the diffusion time scale was too long to be studied within the 180 days of the field study. Further investigation over a longer period of time provided the opportunity to study rebound effects due to macroscale diffusion. These simulations confirm the effectiveness of the macroscale model in representing actual physical processes.|
|Subjects:||Aliphatic hydrocarbons; Alkenes; Aquifers; Chlorinated hydrocarbons; Controls; Ethylene; Finite difference analysis; Finite element analysis; Ground water; Halogenated hydrocarbons; Hydraulic conductivity; Hydrocarbons; Mathematical models; Organic compounds; Pollution; Simulation; Sorption; Spatial distribution; Statistical analysis; Tetrachloroethylene; Water; Atlantic Coastal Plain; Delaware; Kent County Delaware; United States; Dover Delaware|
|Copyright Information:||GeoRef, Copyright 2018 American Geosciences Institute. Reference includes data from NTIS database, National Technical Information Service, Springfield, VA, United States|
No Tags, Be the first to tag this record!