Earthtalk

  UA Little Rock Professor Laura Ruhl has a Ph.D in Earth and Ocean Sciences from Duke University.  Her research interests include environmental geochemistry, and medical geology.  Dr. Ruhl’s research projects include water chemistry associated with health issues as well as environmental geochemistry. Dr. Ruhl teaches hydrogeology, environmental geology and field geology to undergraduate and … EARTHtalk! – Dr. Laura Ruhl

    Dr. John Czarnecki is a groundwater specialist who retired from the U.S. Geological Survey Arkansas Water Science Center. During his 34 year career, he worked on a variety of projects, including an aquifer thermal energy project in Minnesota and the nuclear waste repository at Yucca Mountain. In this lecture, Dr. Czarnecki shares what … EARTHtalk! – Dr. John Czarnecki

UA Little Rock Professor Dr. Lashun Thomas has a Ph.d in Civil Engineering from Virginia Tech.  She has worked with the U.S. Geological  Survey to address remedial strategies for investigating subsurface contamination at chlorinated solvent sites. Her research focuses on groundwater and soil remedial technology.  She has also been involved in evaulating the potential environmental … EARTHtalk! – Dr. Lashun Thomas

  Professor Conevery Bolton Valencius has a Ph.D in the History of Science from Harvard.  She writes and teaches at the University of Massachusetts Boston where her classes explore American environmental history and the history of science and medicine.  Her books and publicans have won several awards. Dr. Valencius is a proud graduate of Little … EARTHtalk! – Dr. Conevery Bolton Valencius

  Seth LeMaster is the Deputy Director at the Arkansas Geographic Information Office.  He works to coordinate GIS data and projects with cities, counties, state and federal government. Seth is a Little Rock native and as a member of the Arkansas Army National Guard he deployed to Afghanistan where he served as Lead Geospatial Intelligence … EARTHtalk! – Seth LeMaster

  Randy Easley is the Director of Water Quality for Central Arkansas Water, the largest drinking water utility in the state.  He oversees Watershed Management, Water Quality and the Analytical Laboratory programs. Mr. Easley has a degree in Fisheries and Wildlife Management and is licensed in Arkansas as both a water and wastewater operator. In this … EARTHtalk! – Randy Easley

    Dr. Ben van der Pluijm is a professor of Geology and the Environment  at the University of Michigan.  His research focuses on the deformation of the Earth’s crust using X-ray analysis, thermochronology and rock magnetism. In this lecture, Dr. van der Pluijm explains how the San Andreas Fault in California exhibits different types … EARTHtalk! – Dr. van der Pluijm

    Dr. Rhiannon Mayne is an Assistant Professor of Meteoritics and Planetary Science at Texas Christian University.  She is also curator of the Oscar E. Monning Meteorite Collection. In this lecture, Dr. Mayne looks at how meteorites have been used in different cultures. This lecture was presented October 10, 2013.  

    Erik Pollock is the manager at the Stable Isotope Laboratory at the University of Arkansas-Fayetteville.  Erik researches karst systems as well as isotope tracers of groundwater flow paths. In this lecture, Erik looks at how isotope analysis helps us understand what’s happening in in the caves in the Ozarks.