Personnel of the
Laboratory of Tree-Ring Science
Director
Dr. Henri D. Grissino-Mayer
417 Burchfiel Geography Building
Department of Geography
The University of Tennessee
Knoxville, Tennessee 37996 USA
Phone: 865-974-6029
Associate Directors
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Dr.
Sally P. Horn |
Dr.
Ken H. Orvis |
Doctoral Students
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Saskia received her masters degree in forestry from Southern Illinois University, and has studied under both Marc Abrams and Charles Ruffner. She's currently conducting her dissertation research in Montana, integrating stand dynamics with disturbance ecology to better understand the mechanisms surrounding whitebark pine decline. She's been involved with many projects in our lab, has published extensively during her career with us, and brings a new perspective to research based on forest ecology principles. |
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Lisa joins us from Longwood College where she earned her M.S. degree. Lisa has experience with analyzing sediment cores from lakes, and is now turning her attention to analyzing fire scars from shortleaf pines growing in Great Smoky Mountains National Park. A field trip in 2005 to the park organized by Lisa provided us with a 280 year old shortleaf pine, while another field trip in 2007 to the same location yielded a living shortleaf back to 1684, the oldest yet found of its species. Lisa has developed one of the most comprehensive data sets on the fire history of the park, including both fire history and stand history information. |
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We're very pleased that John chose our tree-ring laboratory in which to further his interests in dendrochronology. John received his master's degree from Penn State University where he studied under the eminent biogeographer Alan Taylor. John analyzed the fire history of Guadalupe Mountains National Park in western Texas before spending two years studying in the tree-ring lab at Columbia University. For his dissertation research, John is thinking about turning his attention to the red pines of the upper portions of the eastern U.S. to reconstruct fire history. |
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We're also very pleased to have Mark join us after receiving his master's degree from the University of Arkansas, where he studied in the tree-ring lab of Dave Stahle and Malcolm Cleaveland. Mark's master's research involved analyzing the stand and forest history of a bayou in Arkansas near where the ivory-billed woodpecker was believed to be recently spotted (once thought extinct). Mark intends to pursue his dissertation research in the rugged lava fields of El Malpais National Monument of New Mexico. |
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Whitney is enrolled in the Ph.D. program in the Department of Earth and Planetary Sciences and is continuing our research on tropical cyclones. She's analyzing oxygen isotopes in tree rings from living and downed longleaf pine trees collected from the coastal areas of South Carolina to reconstruct land-falling hurricane activity for the Atlantic Coast. This research is being conducted in the Dr. Claudia Mora's Isotope Laboratory in EPS. |
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Daniel is currently a Ph.D. candidate in the Department of Earth and Planetary Sciences, but is maintaining his interest in forest ecology and dendrochronology. He recently completed his master's research in 2003 on the kipukas of El Malpais National Monument. Daniel's current research emphasizes the use of oxygen isotopes in longleaf pine tree rings to understand past drought and, especially, longer-term climatic trends, such as the AMO and PDO. |
Masters Students
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Jessica comes to us from our very own Department of Geography at the University of Tennessee, where she won numerous awards, including the Outstanding Undergraduate Student in the Geography Department and a Chancellor's Award for Highest Honors. For her master's research, Jessica is analyzing the past fire and climate history of ponderosa pine forests south of the Salmon River in Idaho to better understand the influence of wildfires on the climate signal in ponderosa pine trees. |
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Like Jessica, Ian comes to us from our very own Department of Geography here at UT where he was one of our brightest students. He worked as a student intern in our lab prior to his officially entering graduate school. For his master's research, Ian is already collecting samples from Table Mountain pine for reconstructing fire history along the Cooper Road Trail in Great Smoky Mountains National Park, Tennessee. |
Alumni of the Laboratory of Tree-Ring Science
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Michael R. Armbrister, 2002. Changes in fire regimes and the successional status of Table Mountain pine (Pinus pungens Lamb.) in the southern Appalachians, USA. M.S. thesis, The University of Tennessee, Knoxville. 151 pp. |
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Elizabeth A. Atchley, 2004. The effects of habitat alterations on growth and vitality of Torreya taxifolia Arn. in northern Florida, U.S.A.: A dendroecological study. M.S. thesis, The University of Tennessee, Knoxville. 245 pp. |
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Jacob J. Cseke, 2003. A dendroecological approach for dating individual small-scale canopy disturbance events, Great Smoky Mountains National Park, Tennessee, USA. M.S. thesis, The University of Tennessee, Knoxville. 247 pp. |
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Georgina G. DeWeese, 2007. Past fire regimes of Table Mountain pine (Pinus pungens Lamb.) stands in the central Appalachian Mountains, Virginia, U.S.A. Ph.D. dissertation, The University of Tennessee, Knoxville. 308 pp. |
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Justin L. Hart, 2007. A multi-scale analysis of disturbance dynamics in hardwood forest communities on the Cumberland Plateau, USA. Ph.D. dissertation, The University of Tennessee, Knoxville. 189 pp. |
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Joseph P. Henderson, 2006. Dendroclimatological analysis and fire history of longleaf pine (Pinus palustris Mill.) in the Atlantic and Gulf Coastal Plain. Ph.D. dissertation, The University of Tennessee, Knoxville. 463 pp. |
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Evan R. Larson, 2005. Spatiotemporal variations in fire regimes of whitebark pine (Pinus albicaulis Engelm.) forests, western Montana, USA, and their management implications. M.S. thesis, The University of Tennessee, Knoxville. 232 pp. |
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Daniel B. Lewis, 2003. Fire regimes of forested kipukas in El Malpais National Monument, New Mexico, USA. M.S. thesis, The University of Tennessee, Knoxville. 145 pp. |
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David F. Mann, 2002. The dendroarchaeology of the Swaggerty Blockhouse, Cocke County,
Tennessee. M.S. thesis, The University of Tennessee, Knoxville. 139
pp. David F. Mann, 2008. Treeline responses to climate change in high-elevation landscapes of western Montana, U.S.A. Ph.D. Dissertation, The University of Tennessee, Knoxville. 230 pp. |
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Alison C. Miller, 2007. Fire history of Caribbean pine (Pinus caribaea var. bahamensis (Griseb.) W.H. Barrett & Golfari) forests on Abaco Island, The Bahamas. M.S. Research Paper, The University of Tennessee, Knoxville. 84 pp. |
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Dana L. Miller, 2005. A tree-ring oxygen isotope record of tropical cyclone activity, moisture stress, and long-term climate oscillations for the southeastern U.S. Ph.D. dissertation, The University of Tennessee, Knoxville. 169 pp. |
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William M. Reding, 2002. Assessment of spatial and temporal patterns of log structures in east Tennessee. M.S. thesis, The University of Tennessee, Knoxville. 67 pp. |
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Christopher A. Underwood, 2007. Century-scale trends in climatic variability for the Pacific Northwest from western juniper (Juniperus occidentalis Hook. ssp. occidentalis) tree-ring data. M.S. thesis, The University of Tennessee, Knoxville. 211 pp. |
Undergraduate Assistants for Spring 2008
Lucrecia Martinez, Kenric McCay, Milly Maples, Nicole Samu, and Barry Gibbs
Former Undergraduate Assistants and Interns
Bill Dennis (Fall 2001)
Damian Kolbay (Fall 2001)
Ryan Hove (Spring 2002)
Justin Graham (Spring 2002)
Jason Tankersley (Spring 2002)
Chris Halcomb (Fall 2002)
Ryan Justice (Fall 2002)
Ashley Heaton (Spring 2003)
Lindsay Criss (Spring 2003)
Preston
Roberts (Summer and Fall 2003)
Darrin Thompson (Spring 2004)
James Barnes (Spring 2004)
Michelle
Pfeffer (Summer 2004-Spring 2006)
Scott Burgett (Fall 2005)
Pamela Dalal (Fall 2005)
Tim Green (Fall 2005-Summer 2006)
Christian Vessels (Fall 2005-Spring 2006)
Brian Watson (Fall 2005-Spring 2006)
JessieLynn Donaldson (Spring 2006)
Matt McConnell (Spring and Fall 2006)
Andrew Gaskins (Fall 2006)
Maggie Stevens (Summer 2006-Spring 2007)
Ian Feathers (Fall 2006-Spring 2007)
Travis Kilgore (Spring 2007)
Philip White (Spring and
Fall 2007)
Jessica Pollock (Summer and Fall 2007)
Chris Corliss (Fall 2007)
Yashar Taleb-Haghipoor (Fall 2007)
Kasra Taleb-Haghipoor (Fall 2007)