Applications of Immersed Boundary Methods in Hydrodynamic Simulations

Ning Zhang, Department of Chemical, Civil and Mechanical Engineering, McNeese State University, Xiao Han, Department of Chemical, Civil and Mechanical Engineering, McNeese State University; and Susan Regmi, Department of Chemical, Civil and Mechanical Engineering, McNeese State University Two immersed boundary methods (IBM) have been developed previously by the authors for …

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Soil Microbiology – Key to Sustainable Water Resources

J. Rodney Dickerson, P.E., Dickerson Consultants, LLC, P.O. Box 338, Homer, LA 71040 : jrodneyd@bellsouth.net The total mass of the microbiology in soil exceeds all other life on the planet combined, several times, yet very little is actually known about how bacteria function outside of specific areas of scientific interest, …

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Evaluation of the Quality of Diverted Water from the Red Bayou for Irrigation in Northwest Louisiana”

Changyoon Jeong, Red River Research Station, AgCenter, Louisiana State University, Bossier City, LA 71112, cjeong@agcenter.lsu.edu; and Ernest Girouard, Louisiana Master Farmer Program, AgCenter, Louisiana State University, Rayne, LA 70578, EGirouard@agcenter.lsu.edu Water availability is one of the major limitations to crop production and sustainability in many regions. In most cases, water …

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Wastewater Management and Induced Seismicity

Keith B. Hall, Paul M. Herbert Law Center, Louisiana State University, Baton Rouge, Louisiana 70803: keith.hall@law.lsu.edu Oil and gas activities in the United States generate large volumes of wastewater—about 890 billion gallons of wastewater in 2012.  Some of this water is wastewater from hydraulic fracturing operations (sometimes called “flowback”), but …

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Oilfield Pit Groundwater and 1950s Arsenic Corrosion Inhibitor Usage, Lake St. John Field, LA: Possible Causes and Models for Arsenic and Iron Patterns

Mary L. Barrett, Department of Geology & Geography, Centenary College of Louisiana, Shreveport, LA 71104: mbarrett@centenary.edu EXTENDED ABSTRACT At the Lake St. John (LSJ) Field, Concordia Parish, LA, dissolved arsenic in shallow groundwater (8 ft to 22 ft below ground surface) occurs in former emergency pit areas associated with tank …

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Baton Rouge groundwater model development

Hai V. Pham, Department of Civil and Environmental Engineering, Louisiana State University, Baton Rouge, LA 70803: hpham28@lsu.edu; Frank T.-C. Tsai, Department of Civil and Environmental Engineering, Louisiana State University, Baton Rouge, LA 70803: ftsai@lsu.edu This study develops a high-resolution three-dimensional groundwater model to simulate saltwater encroachment due to the massive …

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Spatial Variations in Groundwater Chemistry, Southern Hills Aquifer System – A Three-Dimensional View

Jeffrey S. Hanor, Department of Geology and Geophysics, Louisiana State University, Baton Rouge, LA 70803: hanor@lsu.edu Potable Na-HCO3 groundwaters are characteristic of siliciclastic aquifers in the Gulf of Mexico and Atlantic coastal plains. The origin of these waters has been variously attributed to cation (base) exchange and to silicate hydrolysis. …

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