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Research

Department of Geosciences Thesis Library - Spreadsheet  (this will be updated each semester)

Dendrochronology / Climatology

Old Tree

The Tree-Ring Laboratory (TRL) was established in 1979 and concentrates on the development of exactly-dated annual ring-width chronologies from ancient forests worldwide. Tree-ring chronologies are based on small core samples extracted non-destructively from living trees and cross-sections cut from dead logs. They provide unique archives of environmental history and have many inter-disciplinary applications. Undergraduate and graduate students can earn a Geography B.A. or M.A. with an emphasis on Tree Ring Research.

We specialize in the reconstruction of past climate and stream flow, the socioeconomic impacts of past climatic extremes, the dating of historic structures, and the identification and mapping of ancient forests. We conduct research in the southeastern United States, the southern Great Plains, California, Mexico, and southern Africa. The TRL is active in the conservation of ancient forests, and has assisted the preservation of ancient forest remnants in the cypress-tupelo forests of the South, the oak-hickory forests of the central United States, the blue oak woodlands of California, and the conifer forests of Mexico. The TRL helped establish the Ancient Cross Timbers Consortium which unites universities, federal and state agencies, conservation organizations, and private landowners for research, education, and conservation efforts in these widespread ancient forest remnants still found on the margins of the southern Great Plains.


Savoy Experimental Watershed

Savoy

 The Savoy Experimental Watershed (SEW) is a collaborative Research Site for the Study of Animal Waste Management in Mantled Karst Terrains. The main goal of (SEW) is to establish and maintain a long-term research site for comprehensive, multi-disciplinary research of animal waste impacts on surface and subsurface water quality and hydrogeology.

Soft-rock Geology / Petroleum Geology

StratigraphyGraduate students concentrate on basin analysis using geological and geophysical tools.

 

 

 



The Petra Project (Petra, Jordan)

Petra The University of Arkansas PETRA PROJECT is an ongoing project established in 1990 to assess and record various aspects of landscape change in the classical period city of Petra, Jordan.  Aspects include deterioration influences and rates for limestone and sandstone architecture and rock, cultural heritage management issues for the UNESCO World Heritage site and region, urban planning and local Bedouin studies (Bdoul) in Wadi Musa and Umm Sayhoun, and prehistoric and historic environmental landscape change and influences. University of Arkansas graduate students in the Department of Geosciences and the Environmental Dynamics Program participate in various components of the research project, completing theses and dissertations while conducting fieldwork in Petra and the region.


Water Resources / Watershed Science

Buffalo River Includes the Arkansas Surface Water Mapping Program (ASWaMP), and research in Arkansas.


Surficial Processes / Quaternary Studies

On-going studies of ancient geological deposits.


Natural Hazards and Risk Perception

Great Temple With expertise in the earth sciences, architecture, building materials, cartography, and natural hazards, we are increasingly requested by foreign agencies to assist in the evaluation of seismic risk (and tsunami and volcanic-related quake activity), and regional and/or community policies. As this unique research agenda develops it has become clear that cultural differences and perceptions in risk assessment are dramatically influential. As a result, our team at the University of Arkansas’ Geosciences Department has started to investigate these similarities and differences by interviewing and surveying hundreds of individuals in high-risk communities.


Neotectonic and Volcanic Processes

Momotombo A number of different processes occur proximal to plate tectonic boundaries. In basic plate tectonic theory, Earth's lithospheric plates are assumed to be rigid over their entire extent, with all deformation arising from their relative motion concentrated along their boundaries. Over the last decade numerous studies have shown that measurable deformation occurs not just along the plate interface as earthquakes, but extends well away from the boundary resulting in surface deformation. Our research group uses high precision satellite geodesy, primarily data from the Global Positioning System, to measure the surface velocity field associated with microplate kinematics in obliquely convergent margins as well as deformation in actively erupting and quiescent volcanic systems. Our  regional focus is on the leading and trailing edges of the Caribbean plate. Our goals include constraining strain and slip partitioning arising from oblique convergence, internal block deformation, and elastic strain accumulation along the main plate interface or microplate boundaries.  Our efforts in volcanic processes focus on measuring surface deformation from GPS geodesy and near surface strain from borehole dilatometers to infer the geometry and material properties of magma plumbing systems as well as the flux between various magmatic reservoirs.  Both areas of research have practical application in seismic and volcanic hazard mapping and mitigation.


Environmental Sciences / Biogeography

Cobb Cave



Stable Isotope Lab

Stable Isotope Lab

The University of Arkansas Stable Isotope Lab was established in 2000 with funds from the National Science Foundation and the State of Arkansas. We have three isotope ratio mass spectrometers (one Delta XP and two Delta Plus IRMS systems) for stable isotope analysis allowing the capability to measure the C, N, O, or H isotope composition of trace gasses, solid, and liquid samples. To complement our compound-specific IRMS (Isotope Ratio Mass Spectrometry) work, we have an Agilent GC with a Quadrupole mass spectrometer for compound identification and quantification.

THESIS LIBRARY SPREADSHEET/INVENTORY