Sophie B. Lehmann
Department of Earth and Planetary Sciences
The Johns Hopkins University, 301 Olin Hall, 3400 N. Charles Street, Baltimore, MD, 21218
Phone: 1(419) 260-8866; Email: email@example.com
Evaluation of paleoclimate, paleovegetation and landscape using a multi-proxy approach (e.g., isotopes, sediments, paleosols, mapping). Terrestrial response to global climate change. Development and application of methods in isotopic geochemistry to address questions in the Earth system, including conventional stable isotopes, clumped isotopes, triple oxygen isotopes and utilizing radiogenic isotopes for addressing questions of dating and migration.
Ph. D., Earth and Planetary Sciences, Johns Hopkins University, Baltimore Maryland, expected 2016. Thesis topic: Multi-proxy reconstructions of Plio-Pleistocene climate, ecology, and environment in the western coast of South Africa and triple oxygen isotopes in tooth enamel. Advisor: Naomi E. Levin
MS., Geology, Miami University of Ohio, Oxford Ohio, 2012. Thesis: Climatic and tectonic implications of a mid-Miocene landscape: examination of the Tarapacá Pediplain, northern Atacama Desert, Chile. Advisor: Jason A. Rech
B.A., Geology, magna cum laude, The College of Wooster, Wooster Ohio, 2008. Thesis: Shallow marine paleoenvironments and paleocommunities of the Middle Jurassic (Callovian, Upper Zohar Formation and Lower Matmor Formation) within Hamakhtesh Hagadol in Israel’s Negev Desert. Advisor: Mark A. Wilson
Study abroad, Geological Sciences, University of Oxford, UK, 2006 – 2007. Advisors: Hugh Jenkins and Martin Brasier
Research Assistant, Teaching Assistant, 2011 – present. Department of Earth and Planetary Sciences, Johns Hopkins University.
Research and Teaching Assistant, 2008 – 2011. Department of Geology, Miami University of Ohio
Student Advisor, Wiles Wooster Tree-Ring Lab, 2007 – 2008. Department of Geology, The College of Wooster.
Teaching Assistant, 2007 – 2008. Department of Geology, The College of Wooster
GRANTS, HONORS AND AWARDS
35th International Geological Congress Students and Early Career Scientists, $3,500, 2016
Palmer Field Fund, Johns Hopkins University, $4,500, field and labwork in South Africa, 2014
Palmer Field Fund, Johns Hopkins University, $2,000, fieldtrip in Patagonia, 2014
Palmer Field Fund, Johns Hopkins University, $3,000, fieldwork in South Africa, 2012
NASA Graduate Fellowship, Sulfate soils and life on Earth and Mars, $90,000 (I declined), 2011
Phi Kappa Phi, Miami University of Ohio Chapter, 2010
Geological Society of America Graduate Grant, $2,690, 2010
Miami University of Ohio, Graduate Student Association, $500, 2009
Geological Society of America, Travel Grant, $600 each year, 2009 & 2010
College of Wooster, Ohio: Geology Departmental Honors & Independent Study Honors, 2008
College of Wooster Copland Fund, Independent Study, $2,000, National History Museum, London, 2008
The Robert W. McDowell Prize in Geology, The College of Wooster, 2008
College of Wooster Copland Fund, Independent Study, $2,000, fieldwork in Negev Desert, Israel, 2007
The Karl Ver Steeg Prize in Geology and Geography, The College of Wooster, 2007
Patricia E. Blosser Scholarship, The College of Wooster, 2005 – 2008
Edward S. Foster Scholarship, The College of Wooster, 2004 – 2008
Lehmann SB, Braun DR, Dennis KJ, Patterson DB, Stynder DD, Bishop LC, Forrest F, Levin NE, in press, Stable isotopic composition of fossil mammal teeth and environmental change in southwestern South Africa during the Pliocene and Pleistocene. Palaeogeography, Palaeoclimatology, Palaeoecology, available on-line April 29, 2016.
Patterson DB, Lehmann SB, Matthews T, Levin NE, Stynder D, Braun DR, in press, Stable isotope ecology of Cape dune mole-rats (Bathyergus suillus) from Elandsfontein, South Africa: implications for C4 vegetation and hominin paleoecology in the Cape Floral Region. Palaeoclimatology, Palaeoecology, available on-line April 30, 2016.
Braun DR, Levin NE, Stynder D, Herries AIR, Archer W, Forrest F, Roberts DL, Bishop LC, Matthews T, Lehmann SB, Pickering R, Fitzsimmons KE, 2013, Mid-Pleistocene hominin occupation at Elandsfontein, Western Cape, South Africa. Quaternary Science Reviews, 82; 145-166.
Kirk-Lawlor NE, Jordan TE, Rech JA, Lehmann SB, 2013, Late Miocene to Early Pliocene paleohydrology and landscape evolution of northern Chile, 19° to 20° S. Palaeogeography, Palaeoclimatology, Palaeoecology, 387; 76-90.
Rech JA, Pigati JS, Lehmann SB, McGimpsey CN, Grimley DA, Nekola, JC, 2011, Assessing open-system behavior in of 14C in terrestrial gastropod shells. Radiocarbon, 53; 325-335.
ON-LINE REPORTS AND CONFERENCE PROCEEDINGS
Kirk-Lawlor NE, Jordan TE, Rech J, and Lehmann SB, 2012, Paleolago Tiliviche y sus relaciones estratigráficas y paleoclimáticas, Cuenca Pampa del Tamarugal, I Región, Chile. Proceedings 13th Congreso Geológico Chileno, 631-633.
Lehmann SB, Rech JA, 2009, NSF Vignette Online Contribution- Key Concepts in Geomorphology: Soils, relict landscapes and paleoclimate in the Atacama Desert, Chile. http://serc.carleton.edu/41080.
PRESENTATIONS (first author only)
Lehmann SB, Levin NE, Passey BH, Cerling TE, Hu H, 2015, Triple oxygen isotopes in teeth: implications for reconstructing paleoaridity. Geological Society of America Annual Meeting, Baltimore, Maryland, USA, 1-4 November 2015. Geological Society of America Abstracts with Programs. 47(7); 285
Lehmann SB, Levin NE, Braun DR, Dennis KJ, Stynder DD, Bishop LC, Forrest F, 2014, A Plio-Pleistocene record of vegetation, climate, and hydrology in western South Africa using carbon and oxygen isotopic composition of fossil tooth enamel. 4th Southern Deserts Conference, Mendoza, Argentina, November 2014. Program page 17
Lehmann SB, Patterson DB, Braun DR, Stynder DD, Matthews T, Levin NE, 2013, Regional and landscape-scale Pleistocene paleoecology using carbon and oxygen isotopes from in situ macro- and micromammal tooth enamel at Elandsfontein, Western Cape, South Africa. Society of Vertebrate Paleontology Annual Meeting, Los Angeles CA, Oct 30-Nov 2, 2013. Journal of Vertebrate Paleontology 33: Program and Abstracts, p. 161
Lehmann SB, Levin NE, Dennis KJ, Bishop LC, Stynder DD, Braun DR, 2013, Trends in climate and vegetation of Plio-Pleistocene South Africa: using fossil enamel isotopic data to address questions of regional environmental change. Geological Society of America Annual Meeting, Denver, CO, October 2013. Abstract 187-15. Geological Society of America Abstracts with Program 45(7): 458
Lehmann SB, Levin NE, Stynder DD, Bishop LC, Forrest F, Braun DR, 2012, New tooth enamel isotopic data from the West coast of South Africa and a comparison of terrestrial and marine records of Plio-Pleistocene climate change. Abstract PP51B-2122, Annual Meeting of the American Geophysical Union, San Francisco CA, December 2012.
Lehmann SB, Rech JA, Currie BS, Jordan TE, Riquelme R, 2010, Climatic and tectonic implications of a mid Miocene landscape: examination of the Tarapacá Pediplain, northern Atacama Desert, Chile. Geological Society of America Annual Meeting, Denver CO, October 2010. Abstract 251-6. Geological Society of America Abstracts with Program 42(5): 597
Lehmann SB, Rech JA, Currie BS, Jordan TE, Riquelme R, 2009, Redefining the Tarapacá Pediplain; analysis of relict soils in the northern Atacama Desert, Chile. Geological Society of America Annual Meeting, Denver CO, October 2009. Abstract 244-33. Geological Society of America Abstracts with Programs 41(7): 624
Lehmann SB, Belding E, Wiles GC, Brush N, 2007, Development and climatic analysis of a 465-year tree ring chronology from northeast Ohio. Geological Society of America Annual Meeting, Denver CO, October 2007. Abstract 237-6. Geological Society of America Abstracts with Program 39(6): 637
Lehmann SB, Wiles GC, Cook ER, 2006, Use of stream flow and precipitation records for validating dendrochronological findings related to climate in Northeast Ohio. Geological Society of America North-Central Session, Akron OH, April 2006.
Lehmann SB, Wiles GC, Cook ER. 2006. Extending drought-sensitive oak tree-ring chronologies by dating historical structures in Northeastern Ohio. Geological Society of America North Central Section, Akron Ohio, April 2006. Abstract 20-5. Geological Society of America Abstracts with Programs, North-Central Section 38(4): 27
Lehmann SB, Wiles GC. 2005. Dendroarchaeology: tree ring dating of historical structures in Northeastern Ohio. Midwest Archaeological Conference, Dayton, OH, October 20-23, 2005. http://www.midwestarchaeology.org/storage/2005Program.pdf, Program and Abstracts page 68.
Elandsfontein, Western Cape, South Africa, 2012 – present. Mapping, stratigraphy, and sample collection for isotopic analysis for Pleistocene paleoecology and various dating techniques
Montana, Wind River and Absaroka ranges, 2010. Miami University of Ohio Field Camp
Tarapacá Pediplain, northern Atacama Desert, Chile, 2008 and 2009. Landscape mapping of relict and buried landscapes, and collection of Neogene paleosol samples for elemental and isotopic geochemistry, petrography and detrital zircon dating
Negev Desert, Israel, 2007. Stratigraphic mapping and fossil collection for Jurassic shallow marine community ecological and paleontological analysis
Assynt, Scotland, and Pembrokeshire, Wales, 2006 and 2007. University of Oxford field camp
Glacier Bay National Park, Alaska, 2006. Field collection of subfossil trees for Holocene paleoclimatology and dendrochronology
Northeast and Southwest Ohio, 2006 – 2008. State-wide sampling of Oaks from historical structures and old-growth forests for dendrochronological and paleoprecipitation studies
Northern Kentucky, 2006. Outcrop collection for paleontological studies of shallow marine systems
Levin & Passey Stable Isotope Laboratory, Johns Hopkins University, 2011 – 2016
- Conventional and high precision stable isotopic measurements and method development, including triple oxygen isotopes and clumped isotopes of carbonates and bioapatites using a common acid bath peripheral and dual inlet mass spectrometer, laser ablation GC/IRMS system and cavity ring-down spectroscopy.
- Petrographic microscopy of cements and sand for sedimentological description and determination of environmental processes; XRD analysis of fossil enamel to determine mineralogical composition and degree of diagenesis.
Inductively-Coupled Mass Spectrometry (ICP-MS) Facilities, University of Cape Town, 2014
- Clean lab sample preparation for 87Sr/86Sr determination in tooth enamel and rocks
Stable Isotope Ratio Facility for Environmental Research (SIRFER), University of Utah, 2013
- Training in sample preparation (leaf water extraction, carbonate sampling, CO2 digestion and glass tube formation), instrument use (IRMS and cavity ring-down mass spectroscopy) and spectrometer peripheral use (TC/EA, GasBench) for stable isotope research in geology, ecology and environmental science
Rech Geochemistry Laboratory, Miami University of Ohio, 2008 – 2011
- Off line extraction of carbonate CO2 and preparation of hyperarid paleosol samples for HPLC and direct current plasma (DCP) analysis
Zoology Microscopy Laboratory, Miami University of Ohio, 2008 – 2011
- Electron microscopy (scanning EM: EDAX and BSE), transmission EM, light microscopy sample preparation and imaging
LaserChron Center, University of Arizona, 2009 & 2010
- Zircon grain extraction and LA-ICPMS
Wiles Tree-Ring Laboratory, The College of Wooster, 2005 – 2008
- Student manager, tree cross-section and core preparation, measurement and analysis of tree ring width
Student Organizer, Annual Geological Society of America meeting, 2015
Session Co-Chair, Annual Geological Society of America meeting, 2015
Session Title: African environments across space and through time: integrating modern and ancient climate data for insights into terrestrial ecosystem dynamics.
Department Representative in Graduate Organization, Johns Hopkins University, 2011 – 2016
TEACHING AND MENTORING EXPERIENCE
Preparing for an Academic Career in the Geosciences. Madison, Wisconsin, Summer 2015. Science Education Research Center (Carleton College) workshop on career development and teaching skills
Johns Hopkins University, Maryland, 2014-2015. Formation of lab course materials and syllabus and attendance at an introductory teaching course “Introduction to Teaching at the College Level”
Student mentor for undergraduates
- Johns Hopkins University, sediment description and preparation, protocol development, 2013 – 2015
- Miami University of Ohio, sample preparation, gastropod mineral composition and SEM imaging, 2009
The College of Wooster, Ohio, 2005 – 2008
- Wiles Wooster Tree-Ring Lab Student Advisor for College of Wooster Environmental Analysis and Action Program and Research Project: Data collection and analysis for dating historical structures in NE and SW Ohio, trained students and community members basic techniques of dendrochronological collection and analysis, designed payment structure and wrote reports for clients during an entrepreneurial study and established a database of tree-ring widths from local Oaks
Teaching Assistant in courses (format is given as Course, the Professor, Date)
Johns Hopkins University, Department of Earth and Planetary Sciences
- Introduction to Sustainability, Cindy Parker, Spring 2015
- Guided Tour of the Solar System, Bruce Marsh, Spring 2013
- Energy Resources in the Modern World, Linda Hinnov, Fall 2012, 2013 and 2014
Miami University of Ohio, Department of Geology
- Introduction to Geology, Lab Course, 2009 – 2010
- Introduction to Geology, Lecture Course, Brian Currie, 2009 – 2010
College of Wooster, Ohio, Department of Geology
- Paleoclimate, Johannes Koch, 2007
- Geomorphology and Hydrology, Johannes Koch, 2008