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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Mandatory Disclosure of Hydraulic Fracturing Water Composition

Keith B. Hall Louisiana State University Law Center 1 East Campus Drive Baton Rouge, LA 70803 keith.hall@law.lsu.edu   Historically, the companies that perform hydraulic fracturing kept the composition of their fracturing fluids confidential, treating the compositions as trade secrets. But in recent years, many people have become concerned that hydraulic…

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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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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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Managing an Aquifer Under The Risk of Costly Event: When Strategic Interaction Promotes Prudent Behaviors

Krishna P.Paudel Louisiana State University, Baton Rouge, USA kpaudel@agcenter.lsu.edu Biswo Poudel, Kathmandu University, Nepal Fabien Prieur, INRA, France   Natural gas production through hydraulic fracturing (specifically horizontal slickwater fracking) since 1998 has brought or is likely to bring economic development in many parts of the U.S. Hydraulic fracturing has been…

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