Earthtalk

  Dr. Matt Covington has been interested in caving and his explorations have taken him to remote corners of the world.  As a professor in the Department of Geo-sciences at the University of Arkansas at Fayetteville, Dr. Covington is researching the modelling processes within caves and karst. In this lecture, Dr. Covington describes CO2 and … EARTHtalk! – Matt Covington

    Dr. Laura Vietti  is manager of the University of Wyoming Geologic Museum and Collections.  Vietti completed her doctorate at the University of Minnesota where she researched the bacterial communities in the fossilization of bones.  Her present research focuses on advancing the methods for interpreting the history of vertebrae fossils. In this lecture, Dr. … EARTHtalk! – Dr. Laura Vietti

    Dr.  Kathy Knierim is a hydrologist with the U.S. Geological Survery in the Lower Mississippi-Gulf Water Science Center.  Recent projects include developing a water-use record for the Ozark Plateau’s aquifer system and modeling water quality in zones of groundwater withdrawal. In this lecture, Dr. Knierim explains the importance of our groundwater systems and … EARTHtalk! – Dr. Kathy Knierim

Dr. Beth McMillan  is Professor and Department Chair of the UALR Department of Earth Sciences.  Her degrees are in Geology and Environmental Science. Her research focuses on landscape evolution This discussion examines new ways to test theories on how the Rock Mountains were formed.  

Steven Jaret is a Ph.D candidate at Stony Brook University in Geosciences.  His research focuses primarily on planetary materials and geochemistry.  He is a strong believe that Earth is a planet too! This discussion focuses on our ability to date the planets and how impacts extraterrestrial materials on the planets surface can hinder our dating … How to Date the Planets

Dr. Linda Kah, from the Department of Earth and Planetary Sciences at the University of Tennessee, discusses the latest information gathered from the Mars orbiters.  Specifically Curiosity’s investigation of the Gale crater and the role of water both on and below the surface of Mars.    

Dr. Dan Scheiman, the Bird Conservation Director for Audubon Arkansas, explains the importance of revitalizing Fourche Creek in Little Rock the largest greenspace in the city as well as the largest urban wetland in the nation. Audubon has brought together a coalition to work on litter prevention which will improve water quality as well as … The Friends of Fourche Creek

    Martha Kopper is the Geohazards Section Geology Supervisor for the Arkansas Geological Survey. She’s been employed by mining and environmental consulting firms both internationally and domestically. In this lecture, Ms. Kopper discusses how, where and why landslides occur in Arkansas .  

  Bill Davidson is President of the Hot Springs Geology Club.  He retired from the U.S. Navy Submarine force then earned a degree in Geology. Bill explains the geology behind the formation of Iceland in his talk Iceland:  A Geological Wonder All In One Place, by discusses the active volcanoes, steam vents, glaciers and the … EARTHtalk! – Bill Davidson

    Dr. Renè Shroat-Lewis – is an Assistant Professor of Geology at UA Little Rock.   She earned her Ph.D at the University of Tennessee-Knoxville where she studied paleontology and paleoecology.  Her research interests are all things marine, especially starfish. In this lecture, Dr. Shroat-Lewis shares her recent trip to the Galapagos Islands and … EARTHtalk! – Dr. Rene Shroat-Lewis