Constitutive elastic models to predict shallow (<30m) seismic velocities: Natural soils beneath an earthen levee: Marrero, Louisiana, U.S.A.

Jie Shen, Department of. Geology and Geophysics, Louisiana State University, Baton Rouge, LA 70803: jshen6@lsu.edu, Juan M. Lorenzo, Department of. Geology and Geophysics, Louisiana State University, Baton Rouge, LA 70803: gllore@lsu.edu, Frank Tsai, Department of Civil and Environmental Engineering, Louisiana State University, Baton Rouge, LA 70803: ftsai@lsu.edu. Current constitutive elastic…

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Adsorption-desorption enhancement in Capacitive Deionization using membranes, resins, polymers and electrode modification

Md Ashique Ahmed, College of Engineering & Science, Louisiana Tech University, Ruston, LA 71270. maa039@latech.edu; Sanjay Tewari, Assistant Professor at College of Engineering & Science, Louisiana Tech University, Ruston, LA 71270. stewari@latech.edu   Capacitive deionization (CDI or CapDI) is a relatively novel technology which has shown increased energy and cost…

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Ethics for Geoscientists and Engineers

William H. Schramm, PO Box 4312, Baton Rouge, LA 70821-4312 Ethics has many definitions; it is a study of the rules of human behavior, the standards of right and wrong, that part of science and philosophy dealing with moral conduct, duty, and judgment, the voluntary actions specifically taken by an…

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Conjunctive management of surface water and groundwater for northern Louisiana

Amir Mani and Frank T.-C. Tsai Department of Civil and Environmental Engineering, Louisiana State University, 3418G Patrick F. Taylor Hall, Baton Rouge, Louisiana, 70803, USA, Phone: 1-225-5784246, Email: amani1@lsu.edu; ftsai@lsu.edu   A conjunctive management model is developed for management of groundwater and surface water resources. The conjunctive management model considers…

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Optimal Groundwater Observation Network Design for Model Discrimination under Conceptual Model Uncertainty: Case Study for Baton Rouge Aquifer System, Louisiana

Hai V. Pham, Department of Civil and Environmental Engineering, Louisiana State University, 3525 Patrick F. Taylor Hall, Baton Rouge, LA 70803: hpham28@lsu.edu; Frank T.-C. Tsai, Department of Civil and Environmental Engineering, Louisiana State University, 3418G Patrick F. Taylor Hall, Baton Rouge, LA 70803: ftsai@lsu.edu        Groundwater systems are complex…

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Science and Regulation of Arsenic in Groundwater

Kate Magee, 616 FM 1960 Road West #575, Houston, TX 77090: kate.magee@c-ka.com   Arsenic is commonly associated with oil and gas, mining, manufacturing, and agricultural sites. It may be either naturally-occurring or an introduced contaminant. In cases where arsenic has been released into the environment, site-specific geochemical conditions dictate its…

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Climate change impacts on surface water and groundwater recharge of southwestern Mississippi and southeastern Louisiana

Ehsan Beigi and Frank T.-C. Tsai Department of Civil and Environmental Engineering, 3418G Patrick F. Taylor Hall, Louisiana State University E-mail: ebeigi3@lsu.edu; ftsai@lsu.edu;   This study conducts uncertainty analysis on future region-scale hydrologic projections under the uncertain climate change projections of the Intergovernmental Panel on Climate Change (IPCC) Fifth Assessment…

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Evaluating the Practicality of LNAPL Recovery

Jeff Lane, CK Associates – 616 FM 1960 West, Suite 575, Houston, Texas 77090, jeff.lane@c-ka.com   In some cases, recovery of LNAPL is critical to prevent plume spreading and protect receptors (i.e. discharges to surface water, persons or animals contacting impacted soil or vapors, and users of water wells) and…

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