Previous Semesters

Prior Geosciences Colloquiums

Spring 2024

Jan 26	Thomas Cullen Assistant Professor of Paleobiology, Department of Geosciences, Auburn University Testing hypotheses in dinosaur-dominated terrestrial ecosystems using geochemistry
Feb 2	Jeremy Maurer Assistant Professor, Geological Engineering, Missouri University of Science and Technology On the hunt for future earthquakes: Using geodetic strain rates to say where and how big future earthquakes will be

Feb 9	Meredith Gore Associate Professor, Department of Geographical Sciences, University of Maryland Inter- and anti-disciplinary thinking about harmful human-environment relationships and conservation crime
Feb 16	Taylor Hermes Assistant Professor of Environmental Archaeology, University of Arkansas Emergence and Evolution of Pastoralism in Central Asia Use this link: https://uark.zoom.us/j/85491319923?pwd=eHBzVXN5ZmhNRlk2QmhuTUo1bm9uQT09

Feb 23	Vera Smirnova Assistant Professor, Department of Geography and Political Science, Kansas State University Territorial regimes and spatial forms of Russian de- and re-colonization
Mar 1	Ryan Strickland PhD Candidate, Department of Geosciences, University of Arkansas Controls on the development of hummocky topography on debris-covered glaciers
Mar 8	TBD
Mar 15	Lars Kutzbach Professor, Universität Hamburg, Germany Seasonal increase of methane emissions linked to warming in Siberian tundra
Mar 29	GeoHog
Apr 5	Christopher Liner Associate Dean, Department of Geosciences, University of Arkansas Energy Transition - Geothermal Power
Apr 12	Mike Williams Professor, Department of Earth, Geographic, and Climate Science, University of Massachusetts Amherst The Rise and Fall of Mountains: How fast? How high? How long?
Apr 19	Jason Davis Assistant Professor, Crop, Soil, and Environmental Sciences, University of Arkansas Precision Agriculture - A look at remote sensing, machine learning, and GIS from an agriculture perspective
Apr 26	Cynthia Palomares P.G., P.E. Distinguished Lecturer From the File Room to the Field of Applied Geology, A Career Discussion

Fall 2023

Aug 25	John Samuelsen, Arkansas Archeological Survey A Native American Skull-and-Mandible Cemetery: Using Biological and Geological Isotopic Systems to Evaluate Human and Animal Geographic Origins
Sept 8	Anastasia Piliouras, Penn State University, Dept. of Geosciences Unique characteristics of high-latitude deltas as coastal conduits for land-ocean fluxes

Sept 15	Shannon Speir Climate Impacts on Water Quality: A perspective from agricultural, intermittent, and Arctic streams
Sept 22	GeoForum - In Their Shoes

Sept 29	Pop-Up Talks
Oct 6	GeoForum - Aisha Kenner Director of Title IX Compliance
Oct 13	Becca Muenich Under the radar – Accounting for large scale animal agriculture to address nutrient pollution
Oct 20	Sagy Cohen Riverine Research Across Scales: From Flood Predictions to Global Scale Sediment Modeling Topic: Geosciences Colloquium 10/20 Time: Oct 20, 2023 03:00 PM Central Time (US and Canada) Join Zoom Meeting https://uark.zoom.us/j/89684272636?pwd=UCtxVWlGWWQydVNKVlNhTFhkeW44QT09 Meeting ID: 896 8427 2636 Passcode: G30sc1!!
Oct 27	Sam Zipper Agrohydrology in the Anthropocene: Irrigation impacts on the stream, aquifer, and atmosphere
Nov 3	Marina Suarez Timing and Qualtification of Terrestrial Climate Variability in the Late Early Cretaceous
Nov 10	Emily Finzel From A(patite) to Z(ircon): advancing modern provenance analysis.
Nov 17	Chelsea Amaral Ongoing USGS efforts and geophysical applications to map critical mineral systems in the United States southern Midcontinent with examples from Magnet Cove
Dec 1	Meredith DeBoom Scaling Decarbonization: The Distributive Geographies of Low-Carbon Energy Transitions in Namibia

Spring 2023

Jan 20	Semester Start Meet and Greet
Jan 27	Cadi Fung, University of Arkansas, Department of Geosciences Conflict and conservation in the Central Brazilian Amazon: Fishing, tourism, and the Amazon river dolphin (Inia geoffrensis)
Feb 3	Matt Covington, University of Arkansas, Department of Geosciences Following the thread and spinning a web: A story of studying erosion processes in caves and canyons
Feb 10	Emily Frazier, Missouri State University, Department of Geography, Geology, and Planning An Unsettled Welcome? Resettling Refugee Newcomers in the U.S. Heartland
Feb 17	Erika Marin-Spiota, University of Wisconsin, Department of Geography Transforming workplace climate in the geosciences [Remote]
Feb 24	Vanessa McKuin, Historic Canehill Historic Cane Hill: Preserving and Reviving an Ozarks Community
Mar 3	Shane Matson, Jericho Energy Ventures Helium Potential of the Osage Uplift (Cherokee Platform) in NE Oklahoma: Observations from drilling and production testing of the Wah Zha Zhi #1, the deepest modern basement test, and look at a potential helium resource on the Ozark Uplift
Mar 10	Arya Basu, University of Arkansas Little Rock, Department of Computer Science Navigating a maze differently - a dissection of human spatial decision making in Immersive Virtual Reality
Mar 17	Alicia Wilson, University of South Carolina, School of Earth, Ocean & Environment Please check your assumptions at the coastline: 15 years of wading through salt marshes [Darcy Lecture Series]
Mar 31	Heather Bedle, University of Oklahoma, School of Geosciences Title TBD
Apr 7	Alan Mantooth, University of Arkansas, Department of Electrical Engineering Title TBD [Storm Lecture]
Apr 14	TBD, TBD Title TBD [Remote]
Apr 21	Cassandra Howe, University of Arkansas, Department of Geosciences Title TBD
Apr 28	Dan Coe, Washington Geological Survey Title TBD

Fall 2022

Aug 26	Semester Start Meet and Greet
Sept 2	Brad Peter, University of Arkansas, Department of Geosciences Modifiable spatiotemporal unit problems in remote sensing of agriculture
Sept 9	Abe Springer, Northern Arizona University, School of Earth and Sustainability The Stories Told by Springs
Sept 16	Michelle L. Pribbernow, University of Arkansas, Career Services Dig into your future: map your path from student to professional
Sept 23	John Shaw, University of Arkansas, Department of Geoscience Necessary and Sufficient Conditions for the Stability of Simple Loops
Sept 30	Town Hall Meeting
Oct 7	Orrin Thomas, Senior Research Photogrammetrist, Oak Ridge National Laboratory Automatic Global Two-Meter Digital Surface Model Generation Math Models for General Camera Calibration
Oct 14	LaToya Eaves, University of Tennessee, Department of Geography & Sustainability “Urgent Care”: Revisioning Power and Place through Black Museums
Oct 21	Abigail Neely, Dartmouth College, Department of Geography Reimagining Social Medicine
Oct 27	Rebecca Lave, Indiana University, Department of Geography SWAAG Keynote; at Fayetteville Public Library Critical physical geography in practice: Our depth perception improves when we combine biophysical and social lenses
Oct 28	Angie Maxwell, University of Arkansas, Department of Political Science SWAAG Keynote; at Fayetteville Public Library
Nov 4	Ben Cardenas, Penn State, Department of Geosciences
Nov 11	Tom Paradise, University of Arkansas, Department of Geosciences Quartz: Geology, History & Legend
Nov 18	Chris Cathcart, University of Arkansas, Department of Geosciences
Dec 2	End of Semester Pop-Up Talks

Spring 2022

	Talk Flyers can be found on our Instagram account: https://www.instagram.com/uageosdept/ Recordings: https://video.uark.edu/playlist/dedicated/1_3mhojdpf/
Jan 21	Town Hall Meeting
Jan 28	Kamini Singha, Earth and Society Programs, Colorado School of Mines A tale of two porosities: exploring why contaminant transport doesn’t always behave the way it should
Feb 4	Cancelled due to weather concerns
Feb 11	Gregory Dumond, University of Arkansas, Department of Geosciences Space, Time, and Earth’s Continents: The Grand Canyon Perspective
Feb 18	Cancelled
Feb 25	Xiao Huang, University of Arkansas, Department of Geosciences Human Behavioral Dynamics during the COVID-19 Pandemic via Big Geospatial Data
Mar 4	Adam Forte, LSU, Department of Geology & Geophysics Building a Young Mountain Range: Insights into the Growth and Maintenance of the Topography of Collisional Orogens from the Greater Caucasus Mountains
Mar 11	Ben Runkle, University of Arkansas, Department of Biological and Agricultural Engineering Climate-smart sustainability solutions for the rice agro-ecosystem
Mar 18	Kathy Knierim, USGS Machine-learning predictions of groundwater quality in the Mississippi embayment
Apr 1	Asmert Asafew Berhe, University of California Merced, Life & Environmental Sciences Department Role of soil erosion on terrestrial carbon sequestration
Apr 8	Edith Wilson, Rock Whisperer LLC, First Innagural Storm Chair Lecture on Energy & Society Welcome to the Energy Revolution: Efficiency, Economy and Equity
Apr 15	Carl Smith, University of Arkansas, Fay Jones School of Architecture Understanding Places Through Drawing
Apr 22	Charlie Shobe, West Virginia University, Department of Geology & Geography Into the abyss: Passive margin stratigraphy reveals seascape evolution processes
Apr 29	Roger Cain, United Keetoowah Band (Cherokee) Office of Historic Preservation and Environmental Services The Potential and Politics of River Cane in the 21st Century

Fall 2021

	Recordings: https://video.uark.edu/playlist/dedicated/1_co22juhn/
Aug 27	Semester Start Meet and Greet
Sept 3	Hannah Diettrich, Alaska Volcano Observatory, USGS Cloudy with a chance of lava flows: forecasting lava flow dynamics at Kīlauea Volcano with remote sensing
Sept 10	Anita Marshall, University of Florida, Department of Geological Sciences Inclusion and diversity in Geoscience Education and in the Field
Sept 17	John Van Brahana, University of Arkansas, Department of Geosciences A summary of decades of study at Savoy Experimental Research Station -karst hydrogeology and land use
Sept 24	Christopher Liner and Celina Suarez, University of Arkansas, Department of Geosciences 2^nd Annual Geosciences Climate Survey
Oct 1	Sara Rollet Gosman, University of Arkansas School of Law Energy and risk regulation & environmental justice
Oct 8	Vincent Cevrier, University of Arkansas, Space and Planetary Sciences Formation, dynamics and habitability of liquid brines on present-day Mars
Oct 15	Eric R. Anderson, SERVIR - NASA Marshall Space Flight Center Getting ahead of disaster impacts: the role of Earth observations and capacity builders in anticipatory action
Oct 21 (Thursday)	Miguel O. Román, USRA Earth from Space Institute Note: This talk is not included in the recordings.
Oct 22	Siyao Ma, University of Arkansas, Environmental Dynamics Global climate resources for camping and nature-based tourism
Oct 29	Will Struble, University of Arizona, Department of Geosciences Tectonic geomorphology, wavelet analysis, landscape evolution
Nov 5	Celina Suarez, University of Arkansas, Department of Geosciences Record of Continental Climatic Change at the End Triassic Extinction in Western Pangea
Nov 12	Gerilyn Soreghan, University of Oklahoma, School of Geosciences Using scientific drilling to test the controversial hypothesis of glaciation in late Paleozoic equatorial Pangaea
Nov 19	Fiona Davidson, University of Arkansas, Department of Geosciences Geopolitics in the 23rd Century: Or why Star Trek isn’t as progressive as everyone seems to think it is
Dec 3	End of Semester Pop-Up Talks
	For those in town, please join us for a social hour immediately following colloquium in the Gearhart Courtyard, with rain events well-spaced in the hallway near GEAR 026. Snacks and beverages provided along with the opportunity to meet and greet Geoscience friends and talk science.

Spring 2021

January 15	Lisa White, University of California at Berkeley, Museum of Paleontology No Time for Silence-A Call to Action
January 22	Anton Seimon, Appalachian State University / Bard College, Center for Environmental Policy Storm-scale Variations of Water Isotopes in the Tropical High Andes: Implications for Paleoclimate Reconstructions (Microsoft Teams Join Link)
January 29	Liz Kimbrough, Mongabay.com Alternatives to Academia: What Else Can I Do with a Science Degree? (Microsoft Teams Join Link)
February 5	Melissa Sims, John Hopkins University, Department of Earth and Planetary Sciences Simulating Meteor Impacts in the Diamond Anvil Cell (Microsoft Teams Join Link)
February 12	Reese Brewer, Frontier Metropolitan Planning Organization GIS & Transportation Planning: A Cornerstone to Infrastructure Investment Decisions (Microsoft Teams Join Link)
February 19	Douglas Benevento, Environmental Protection Agency Environmental Policy Careers
February 26	George Sabo III, Arkansas Archeological Survey / University of Arkansas, Department of Anthropology Field Research with Indigenous Communities: How I learned to Hunt, Drum and Sing (after a fashion) (Microsoft Teams Join Link)
March 5	Becky W. Keogh, Arkansas Department of Energy and Environment Where Science Meets Policy (Microsoft Teams Join Link)
March 12	Julia Wellner, University of Houston Waxing and Waning of an Ice Sheet: Records from the Amundsen Sea, Antarctica (Microsoft Teams Join Link)
March 19	Ian Miller, Denver Museum of Nature and Science The 21st Century Museum--A Cornerstone of Our Society (Microsoft Teams Join Link)
April 9	Angela Chandler, Arkansas Geological Survey The Arkansas Geological Survey: A Summary of Mapping Projects and Opportunities for Students (Teams Join Link)
April 16	Joshua Blackstock, University of Arkansas, Department of Geosciences Climate Change and groundwater use change in the 21st century and impacts on groundwater-surface water exchange in the Mississippi Alluvial Plain (Microsoft Teams Join Link)
April 23	Kelly Sanks, University of Arkansas, Department of Geosciences An Experimental Investigation of the Impact of Coastal Marshes on Deltaic Surface Processes and their Role in Coastal Sustainability (Microsoft Teams Join Link)

Fall 2020

August 28	Romona West, University of Arkansas, Fulbright College Diversity, Equity and Inclusion and the U of A
September 4	Christopher Liner & Fiona Davidson, University of Arkansas, Department of Geosciences Geosciences Climate Survey (Microsoft Teams Join Link)
September 11	Jonathan Martin, University of Florida, Department of Geological Sciences Reversing Springs: Impacts on Carbonate Aquifers (Microsoft Teams Join Link)
September 18	David Lyon, Environmental Defense Fund Environmental Defense Fund Permian Basin Methane Analysis Project (Microsoft Teams Join Link)
September 25	Jane Willenbring, Stanford University Q&A with Jane Willenbring, one of the scientists portrayed in the movie "Picture a Scientist" (M. Teams Join Link)
October 2	Michael Goodchild, University of California - Santa Barbara, Emeritus Convergent GIScience (Microsoft Teams Join Link)
October 9	Bryon Winston, AECOM, Environmental Scientist Environmental Remediation and How to Prepare for Employment Opportunities (Microsoft Teams Join Link)
October 16	Anne-Marie Nunez, Ohio State University Equity in Geosciences (Microsoft Teams Join Link)
October 23	Martha Kopper, Arkansas Geological Survey Geohazards in Arkansas (Microsoft Teams Join Link)
October 30	Alessandra Giannini, Columbia University, International Research Institute for Climate and Society, Senior Research Scientist Late 20th Century Sahel drought: an obvious candidate for attribution? (Microsoft Teams Join Link)
November 6	Rickey Booker, IDEALS Institute Book Discussion: "How to be an Anti-Racist" (Microsoft Teams Join Link)
November 13	Amelia Villasenor, University of Arkansas, Department of Anthropology The Missing Piece: Ecological Consequences of the Late Pleistocene Megafaunal Extinction (Teams Join Link)
November 20	Erik Pollock, University of Arkansas, Department of Geosciences Stable Isotopes and Inorganic Analysis in the Geosciences (Microsoft Teams Join Link)
December 4	End of Semester - Online Social

Spring 2020

January 17	Kaiyu Guan, University of Illinois at Urbana-Champaign, College of Agricultural, Consumer and Environmental Sciences Monitoring and Modeling every Farmland's Crop Productivity, Risk and Sustainability for the US Corn Belt
January 24	Steve Boss, University of Arkansas, Department of Geosciences Conquest of the Wilderness and Historic Origins of 'Geology Culture' in the United States
January 31	Katia De Avila Fernandes, University of Arkansas, Department of Geosciences Applied Climate and GIScience Research
March 6	Christopher L. Andronicos, Purdue University, Department of Earth, Atmospheric, and Planetary Sciences Natural Quasicrystals from the Khatryka Meteorite: An Adventure in symmetry, Field Geology, and Space Rocks
March 13	Don C. Bragg, USDA Forest Service, Project Leader and Research Forester Witness the Decline of Shortleaf Pine
April 17 (Cancelled)	Jason Tullis, University of Arkansas, Department of Geosciences Replicability and Reproducibility in GIScience and Its Critical Applications

Fall 2019

August 30	Department Introductions
September 6	NABG Poster Session
September 13	>Ian Howard, University of Arkansas, Department of Geosciences Using Tree Rings to Reconstruct Single Day Precipitation Events
September 20	Dave Stahle, University of Arkansas, Department of Geosciences Ancient Forests Conservation in the Old South
September 27	Brent Boyd, Anadarko, Project Advancement, Senior Geophysical Advisor It's Easy to Find Oil (It's Just Hard to Make Money at It)
October 4	Timothy Eichler, University of Arkansas, Department of Education, Visiting Professor The Potential Impacts of Global Warming on Mid-latitude Cyclones
October 11	Christopher Liner, University of Arkansas, Department of Geosciences A Tour of Machine Learning
October 18	Fall Break - no colloquium
October 25	TBA
November 1	TBA
November 8	Jasquelin Peña, University of Lausanne, Switzerland, Institute of Earth Surface Dynamics TBA
November 11	Chad Neipling, Sr. Manager of Location Intelligence at JB Hunt TBA
November 14	GEOS Chili Cook-Off at 6:00 pm at Sunrise Stage, 2781 N. College Avenue, Fayetteville
November 15	8:00 am - GEOS External Advisory Board Meeting
November 16	GeoHog Research Conference
November 22	TBA
December 6	Ken Kvamme, University of Arkansas, Department of Anthropology TBA

Spring 2019

August 30	Department Introductions
September 6	NABG Poster Session
September 13	Ian Howard, University of Arkansas, Department of Geosciences Using Tree Rings to Reconstruct Single Day Precipitation Events
September 20	Dave Stahle, University of Arkansas, Department of Geosciences Ancient Forests Conservation in the Old South
September 27	Brent Boyd, Anadarko, Project Advancement, Senior Geophysical Advisor It's Easy to Find Oil (It's Just Hard to Make Money at It)
October 4	Timothy Eichler, University of Arkansas, Department of Education, Visiting Professor The Potential Impacts of Global Warming on Mid-latitude Cyclones
October 11	Christopher Liner, University of Arkansas, Department of Geosciences A Tour of Machine Learning
October 18	Fall Break - no colloquium
October 25	TBA
November 1	TBA
November 8	Jasquelin Peña, University of Lausanne, Switzerland, Institute of Earth Surface Dynamics TBA
November 11	Chad Neipling, Sr. Manager of Location Intelligence at JB Hunt TBA
November 14	GEOS Chili Cook-Off at 6:00 pm at Sunrise Stage, 2781 N. College Avenue, Fayetteville
November 15	8:00 am - GEOS External Advisory Board Meeting
November 16	GeoHog Research Conference
November 22	TBA
December 6	Ken Kvamme, University of Arkansas, Department of Anthropology TBA

Fall 2018

August 30	Department Introductions
September 6	NABG Poster Session
September 13	Ian Howard, University of Arkansas, Department of Geosciences Using Tree Rings to Reconstruct Single Day Precipitation Events
September 20	Dave Stahle, University of Arkansas, Department of Geosciences Ancient Forests Conservation in the Old South
September 27	Brent Boyd, Anadarko, Project Advancement, Senior Geophysical Advisor It's Easy to Find Oil (It's Just Hard to Make Money at It)
October 4	Timothy Eichler, University of Arkansas, Department of Education, Visiting Professor The Potential Impacts of Global Warming on Mid-latitude Cyclones
October 11	Christopher Liner, University of Arkansas, Department of Geosciences A Tour of Machine Learning
October 18	Fall Break - no colloquium
October 25	TBA
November 1	TBA
November 8	Jasquelin Peña, University of Lausanne, Switzerland, Institute of Earth Surface Dynamics TBA
November 11	Chad Neipling, Sr. Manager of Location Intelligence at JB Hunt TBA
November 14	GEOS Chili Cook-Off at 6:00 pm at Sunrise Stage, 2781 N. College Avenue, Fayetteville
November 15	8:00 am - GEOS External Advisory Board Meeting
November 16	GeoHog Research Conference
November 22	TBA
December 6	Ken Kvamme, University of Arkansas, Department of Anthropology TBA

Spring 2018

August 30	Department Introductions
September 6	NABG Poster Session
September 13	Ian Howard, University of Arkansas, Department of Geosciences Using Tree Rings to Reconstruct Single Day Precipitation Events
September 20	Dave Stahle, University of Arkansas, Department of Geosciences Ancient Forests Conservation in the Old South
September 27	Brent Boyd, Anadarko, Project Advancement, Senior Geophysical Advisor It's Easy to Find Oil (It's Just Hard to Make Money at It)
October 4	Timothy Eichler, University of Arkansas, Department of Education, Visiting Professor The Potential Impacts of Global Warming on Mid-latitude Cyclones
October 11	Christopher Liner, University of Arkansas, Department of Geosciences A Tour of Machine Learning
October 18	Fall Break - no colloquium
October 25	TBA
November 1	TBA
November 8	Jasquelin Peña, University of Lausanne, Switzerland, Institute of Earth Surface Dynamics TBA
November 11	Chad Neipling, Sr. Manager of Location Intelligence at JB Hunt TBA
November 14	GEOS Chili Cook-Off at 6:00 pm at Sunrise Stage, 2781 N. College Avenue, Fayetteville
November 15	8:00 am - GEOS External Advisory Board Meeting
November 16	GeoHog Research Conference
November 22	TBA
December 6	Ken Kvamme, University of Arkansas, Department of Anthropology TBA

Fall 2017

August 25	Back-To-School Picnic
September 8	Edith Wilson, Rock Whisperer LLC Transformation: From Fossil Fuels to the Future
September 15	Glenn Sharman, University of Arkansas Rivers of Sand: Sea Level Control on Sediment Dispersal and Providence Since the Last Glacial Maximum, Southern California, USA
September 22	Grant Byerley, Apache Corporation Resaturated Pay: A New Infill Target Type Identified through the Application and Continuous Improvement of 4D Seismic at the Forties Field
September 29	Tom Paradise, University of Arkansas The Science and Analysis of Rock Art Decay in Wadi Rum, Jordan
October 6	Elizabeth Lyon, National Geospatial Intelligence Agency Geospatial Intelligence: Yesterday, Today and Looking Forward
October 20	Robert Mahon, University of Arkansas, Post Doc for John Shaw Qualifying Controls on Stratal Geometries in Clastic Sedimentary Systems
October 21	Mac McGilvery, University of Arkansas, Short Course: Petroleum Prospecting (8:30-4:30, GEAR 105)
October 22	Jamie Woolsey & Steve Milligan, University of Arkansas, Short Course: Petra & Kingdom Fundamentals (10:30-3:30, GEAR 113)
October 27	Jesse Edmondson, Alabama Graphite Inc., Sourced in USA: Battery-Ready Graphite
October 28	Jamie Woolsey & Steve Milligan, University of Arkansas Short Course: Log Analysis & Seismic Interpretation (8:30-3:30, GEAR 113)
November 3	Claire McLeod, Miami University of Ohio Probing the Depths of Continental Arc Magmatism: Insights from Minor Volcanism in the Back Arc of the Bolivian Andes
November 10	Michael DeAngelis, University of Arkansas Little Rock Using Analog Experiments to Study Hard-to-Reach Places
November 11	UARC - Alumni Gathering - 8:30 am, Saturday in Gearhart Hall
November 17	Matt Covington, University of Arkansas, Summer on ice: Understanding the impact of increasing meltwater on the motion of the Greenland Ice Sheet
December 1	Barry Shaulis, University of Arkansas, Investigating early lunar evolution through U-Pb chronology of Lunar Meteorites
December 8	Fall Banquet

Spring 2017

January 20	Glenn Sharman, Bureau of Economic Geology, Jackson School of Geosciences, University of Texas, Austin - The Grand Inverse Problem of Sedimentary Geology: Elucidating External Controls on the Evolution of Landscapes and Sediment Dispersal Systems
January 23 (Monday)	Jill Marshall, Earth and Planetary Science, University of California, Berkeley & The Institute of Arctic and Alpine Research University of Colorado, Boulder - Disentangling the Geomorphic Legacy of Glacial Intervals Across Unglaciated North America
January 27	Raleigh Martin, University of California, Los Angeles - The Sand Grain's View: Understanding Geomorphic Variability Through the Physical Processes that Move Sediment
January 30 (Monday)	Lizzy Trower, Agouron Geobiology Post Doctoral Fellow, Division of Geological and Planetary Sciences, California Institute of Technology - Sediment Transport in Carbonate Environments: A Case Study of How Abrasion Controls Ooid Growth
February 3	Martin Golding, Geological Survey of Canada Postdoctoral Fellow - From Conodonts to Collisions: What Microfossils Tell Us About the Formation of the Canadian Cordillera
February 6 (Monday)	Amanda Keen-Zebert, Associate Director and Director of E.L. Cod Luminescence Lab, Desert Research Institute - Lithology Matters! How Rock Type Affects Fluvial Landscapes in Tectonically Stable Catchments
February 17	Tingjun Zhang, Lanzhou University, China - Global Warming and Permafrost Degradation: Interactions and Feedbacks
February 24	Jianhui Chen, MOE Key Laboratory of West China's Environmental System of Lanzhou University, visiting the Department of Geosciences, University of Arkansas - Decadal to Centennial Scale Hydroclimatic Variations Reconstructed by Fossil Midges: Case Studies in China
March 3	Amelia Villaseñor, Center for Advanced Study of Hominid Paleobiology, George Washington University - Integrating Stable Isotope Ecology and Mammal Community Diversity in Pliocene East Africa: Implications for Early Hominin Evolution
March 10	Dr. Stephen Boss, Department of Geosciences, University of Arkansas - Energy Yield of Global Fisheries and Aquaculture, 1950-2014
March 31	George Winter, University of Arkansas Career Development Center, Interview Success: Tips and Practice
April 7	Lee Frelich, Department of Forest Resources, University of Minnesota, Disturbance and Succession in the Boreal Forest: 400 Years of Fire and Wind in Northern Minnesota
April 14	Song Feng, Department of Geosciences, University of Arkansas, "Winter" Is it losing its cool?
April 21	Jason Tullis, Department of Geosciences, University of Arkansas, Opportunities in Unmanned Aircraft Systems (UAS) and GIS Workflows
April 28	Chris Jackson, Department of Earth Science and Engineering Imperial College London, Thomson International Lecturer, GSA - How do normal faults grow, and why does it matter?
May 4	GEOS Awards Banquet

Fall 2016

August 26	GEOS Department Introductions
September 2	Mohamed Aly, Department of Geosciences, University of Arkansas, Future Volcanic Eruptions at Yellowstone
September 9	Amanda Keen-Zebert, Desert Research Institute, Nevada, Old as Dirt? Or Old as the Hills? New Findings on the Quaternary History of the Buffalo National River
September 16	Mac McGilvery, Department of Geosciences, University of Arkansas, The North Slope Alaska: What Does it Have in Common with the Ozark-Arkoma-Ouachita Region of Arkansas?
September 23	Dave Stahle, Department of Geosciences, University of Arkansas, The Mexican Drought Atlas: Tree-Ring Reconstructions of the Soil Moisture Balance during the Late Pre-Hispanic, Colonial, and Modern Eras
September 30	Fiona Davidson, Department of Geosciences, University of Arkansas, Brexit 2016: Immigration, Nativism, and the End of Britain?
October 7	Margaret Guccione, Department of Geosciences, University of Arkansas
October 14	Fall Break- no colloquium
October 21	Ben Runkle, Biological Engineering, University of Arkansas, How Well Can Climate-Smart Irrigation Strategies Reduce Methane Emissions From Rice Fields?
October 28	Aaron Shew, Environmental Dynamics, University of Arkansas, A Geospatial, Socio-Environmental Model for Improved Agricultural Production in Coastal Bangladesh and Bradley Wilson, Geosciences, University of Arkansas, Fleeing to fault zones: Incorporating Syrian Refugees into Earthquake Risk Studies Along the East Anatolian and Dead Sea Rift Fault Zones
November 4	Kenny Schlag, KS Consulting, Aspects of the Geologist's Role in the Environmental Industry
November 11	Daigo Yamamura, Department of Geosciences, University of Arkansas, The Late Cretaceous Graveyard: Paleontological Record and the Rocky Mountains Building in North America
November 18	Greg Dumond, Department of Geosciences, University of Arkansas, What if Sabine Parish, Louisiana Met Fayetteville, Arkansas? Insights from a One Billion Year Old “Tectonic Yoyo” in Saskatchewan
December 2	Lindell C. Bridges, Pure Earth Resources, Inc., The Appalachia - Shale Capital of the World
Thursday, Dec. 8	GEOS Banquet

Spring 2016

January 22, 2016	Ian Howard, Department of Geosciences, University of Arkansas Hydroclimate Variability of Seasonal Moisture Regimes Over the Great Plains And Max Torbenson, Department of Geosciences, University of Arkansas Drought response of the North American tree-ring network and its application to summer moisture reconstruction in the south-central United States
January 29, 2016	Evan Thaler - Department of Geosciences, University of Arkansas Evolution of the Arkansas Ozarks: Using DEM analysis and landscape evolution models to unravel the secret of the Ozark's longevity
MONDAY, February. 1, 2016	TBA
February 5, 2016	TBA
MONDAY, February 8, 2016	TBA
February 19, 2016	Beth McMillan - UALR On the Shoulders of Giants: Sub-Summit Erosion Surfaces in the Rocky Mountains
February 26, 2016	Theo Witsell – Arkansas Natural Heritage Commission The art and science of effective conservation: an overview of the Arkansas Natural Heritage Commission's work to preserve the state's biological diversity
March 4, 2016	Rich Cifelli - Curator of Vertebrate Paleontology, OK Museum of Natural History, Samuel Roberts Noble Presidential Professor, Department of Biology Early Mammals from the Cretaceous of Montana
March 11, 2016	Brian Haggard - Director, Arkansas Water Resources Center, University of Arkansas The Convergence of Science and Policy in the Illinois River Controversy
April 1, 2016	Mark Hudson - Research Geologist, USGS, Denver, CO Geologic mapping as a research seed: Examples from the Buffalo National River Region, Northern Arkansas
April 8, 2016	Ron Gird - National Oceanic and Atmospheric Administration Education and Career Opportunities at the NOAA – National Weather Service
April 15, 2016	Richard Seager - Lamont-Doherty Earth Observatory of Columbia University North American Hydroclimate over the Past Millennium and Near Term Future
April 22, 2016	University of Arkansas Geography Graduate Students Quinn Montana - Global Agricultural Output in Calories, 1961-2012 Steven Meizler - Baha'i Sacred Architecture and the Devolution of Astronomical Significance: Case Studies from Israel and the US Wes Murch - Lidar-Assisted Extraction of Old Growth Baldcypress Stands Along the Black River of North Carolina
April 29, 2016	Ryan Ewing and Elizabeth Rampe - Texas A & M and NASA Johnson Space Center A History of Water on Mars: Results from the Curiosity Rover
May 5, 2016	GEOS Spring Awards Banquet

Fall 2015

September 18	Kristen Gibson	Molecular Food Safety Microbiology University of Arkansas ROLE OF FRESHWATER SEDIMENTS IN THE SURVIVAL AND TRANSPORT OF HUMAN PATHOGENS IN THE ENVIRONMENT
August 28	Kimberly Myers	NSF Earth Sciences Postdoc Texas A&M University Columbia University SEDIMENTARY ORIGIN FOR ARSENIC MINERALS IN A PALEOARCHEAN FAN DELTA ENVIRONMENT: IMPLICATIONS FOR ARSENIC CYCLING IN PRE-GOE ENVIRONMENTS
September 25	Ralph Davis	University of Arkansas Department of Geosciences FIELD CAMP FOR ONE AND ALL!
October 2	Roy Van Arsdale	Department of Earth Sciences University of Memphis GEOLOGIC HISTORY OF THE NORTHERN MISSISSIPPI EMBAYMENT AND ITS NEW MADRID EARTHQUAKES
October 9	Victor Roland	Environmental Dynamics Program University of Arkansas CONCENTRATION EFFECT OF DISSOLVED ORGANIC CARBON ON MICROBIAL NITRATE UTILIZATION
October 23	Craig Allen	USGS Jemez Mountains Field State Research Ecologist RAPID FOREST CHANGE IN WESTERN NORTH AMERICA
November 6	Yarri Davis	Vitruvian Exploration II RESERVOIR CHARACTERISTICS OF THE SPRINGER SHALE IN THE SCOOP PLAY OF THE EASTERN ANADARKO BASIN, OKLAHOMA
November 7		UNIVERSITY OF ARKANSAS RESEARCH CONFERENCE, hosted by the Department of Geosciences in Ozark Hall from 9:30 am until 5:15 pm. Reservation required for lunch and barbecue.
November 13	Bekki White	Director and State Geologist Arkansas State Geological Survey THE ARKANSAS STATE GEOLOGICAL SURVEY
November 20	Walter Manger	University of Arkansas PILTDOWN HOAX - LESSONS FOR MODERN SCIENCES
December 4	William Retcheside and Jason Dodd	University of Arkansas Little Rock STRONTIUM ISOTOPIC RATIOS OF SURFACE WATERS IN THE HISTORIC TRI-STATE MINING DISTRICT AS AN IDENTIFIER OF SOURCES, WATER MIXING, AND CONTAMINATION GEOCHEMICAL AND LEAD ISOTOPE STUDIES OF STREAM CHANNEL SEDIMENTS FROM PICHER, OKLAHOMA AREA: EFFECTS OF MINING THE MVT DEPOSITS IN THE TRI-STATES MINING DISTRICT

Spring 2015

January 16	Dr. Celina Suarez, University of Arkansas - How to Make Effective PowerPoint and Poster Presentations
January 23	Mr. Peter Carragher, Rose and Associates - What Were They Thinking?
January 30	Dr. Katia Fernandes, Columbia University - Incorporating Climate Variability and Change into Fire Potential Assessments in Western Amazon
February 6	TBA
February 13	TBA
February 20	Dr. Fred Paillet, University of Arkansas - The Whole Nine Yards - Teaching all aspects of well hydraulics and borehole geophysics to professional hydrologists in India
February 27	Dr. Jami J. Lockhart, Arkansas Archeological Survey - Geoarchaeology and the Interdisciplinary Study of Cultural Landscapes
March 6	Mr. Bill Sharp, Noble Energy Inc. - High Resolution CT Scans: More than an image
March 13	Dr. Margaret Guccione, University of Arkansas - Impact of the Mississippi, Missouri, and Red Rivers' Alluvial Style on the Geoarcheology of these Unique River Valleys
April 3	Elvis Bello - University of Arkansas graduate student - The Geologic Beauties of Big Bend and Carlsbad Cavern
April 10	Neil Pederson of Harvard Forest and Park Williams of the Lamont-Doherty Earth Observatory of Columbia University - Sitting on the Edge: Tree-Ring Evidence of Abrupt Historical and Future Change in the US
April 17	Jordan N. Burns, MA Geography Student - Mapping Ancient Baldcypress Forests for Conservation at Black River, North Carolina Ian M. Howard, PhD Geosciences Student - Reconstructing Nutrient Cycling in a Mixed Coniferous Forest of the Northern US Using Stable Nitrogen Isotopes
April 24	Joe Myre, UA Post-Doc Geosciences -
April 30	AWARDS BANQUET

Fall 2014

August 29	Introduction to Faculty and Students followed by Back-to-School Picnic
September 5	Daniel Wagner, USGS -Trends in Precipitation, Streamflow, Reservoir Pool Elevations, and Reservoir Releases in Arkansas and Selected Sites in Louisiana, Missouri, and Oklahoma, 1951-2011
September 12	Dave Stahle, University of Arkansas faculty - Amazonian tree-ring chronologies for climate and streamflow reconstruction
September 19	Max Torbenson, University of Arkansas, GEOS PhD candidate - Broken time - Asychrony between Holocene chronologies?
September 26	Walt Manger, University of Arkansas, The Grand Canyon - Forty Years Enjoying its Geology and Wondering About its Origin
October 3	GEOS Advisory Board meeting, 8:00-3:00 pm Daniel Allen, Core Lab, Unconventional Analyses for Unconventional Rocks: Core Analysis
Saturday October 4	The University of Arkansas Research Conference (UARC) in Ozark Hall
October 10	Matt Covington, University of Arkansas, Unraveling the incision processes in soluble bedrock channels
October 24	Amelia Shevenell, IODP Lecturer, University South Florida and UCL, The southern ocean reveals its climate secrets: paleotemperatures from Antarctic margin marine sediments
October 31	Katherine Knierim, University of Arkansas, General Geology at the University of Arkansas: What We Are Doing, What Works, and What Challenges
November 7	David Rodgers, Idaho State University, Hot Spots, Weak Rocks and Dense Gabbro - Crustal Deformation in the Wake of the Yellowstone Hotspot
November 14	Kim Smith, University of Arkansas, Biological Sciences, Early Natural History Observations in Arkansas 1805-1845, with special reference to Friedrich Gerstacker
Monday November 17 4:10 pm	Jennifer Pharr-Davis, National Geographic Speaker - The Emotional Conservationist (This will be held in Bell 2282 instead of Ozark Hall)
November 21	Phil Hays, USGS, University of Arkansas, Geosciences - Hydrogeology and water quality of the hot springs of Hot Springs National Park, Arkansas
December 5	Daigo Yamamura, PhD Candidate in Geosciences, University of Arkansas - The Story Sandstone Tells you: From Fossilization to Jurassic Park and Todd Knobbe, MS Candidate in Geosciences, University of Arkansas - Impacts of the Central Atlantic Magnetic Province on the Terrestrial Carbon Cycle
Thursday, December 11	GEOS Chili Cook Off