Publications

Diefendorf, A.F., and Patterson, W.P. 2005. Survey of stable isotope values in Irish surface waters. Journal of Palaeolimnology, 34: 257-269. doi:10.1007/s10933-005-3571-1

Diefendorf, A.F., Patterson, W.P., Mullins, H.T., Tibert, N., and Martini, A. 2006. Evidence for high frequency Late Glacial to mid-Holocene (16,800 to 5,500 calendar years BP) climate variability from oxygen isotope values of Lough Inchiquin, Ireland. Quaternary Research, 65: 78-86. doi:10.1016/j.yqres.2005.08.001

Diefendorf, A.F., Patterson, W.P., Holmden, C., and Mullins, H.T. (in press). Carbon isotopes of marl and lake sediment organic matter reflect terrestrial landscape change during the late Glacial and early Holocene (16,800 to 5,540 cal yr B.P.): A multiproxy study of lacustrine sediments at Lough Inchiquin, western Ireland. Journal of Paleolimnology. doi:10.1007/s10933-007-9099-9.

Tibert, N. E., Patterson, W.P., Diefendorf, A.F., Stanton, C., Able, L., and Martini, A. (accepted). Late Glacial and early Holocene atmospheric temperature change in western Ireland: Evidence from limnic Ostracode paleoecology and stable isotope values. Micropaleontology.

Manuscripts in Review

Manuscripts in Preparation

Macpherson, A., Diefendorf, A.F., Fricke, H., Patterson, W.P., and Martini, A. Mid-Holocene variations in bog moisture at Lough Corrib, western Ireland: Evidence from Carbon Isotope Analyses of Sphagnum Moss.

Diefendorf, A.F., Patterson, W.P., Holmden, C., Mullins, H.T., and Ogilvie, P. Late Pleistocene/Holocene Climate Variability at Lough Gallaun, Western Ireland from Stable Isotopes of Lacustrine Marl and Organic Sediment.

Mullins, H.T., Patterson, W.P., and Diefendorf, A.F. A new perspective on the Younger Dryas Climate Reversal. Geology.

Mullins, H.T., Patterson, W.P., and Diefendorf, A.F. Late Pleistocene-Early Holocene paleoclimates and atmospheric circulation in western Ireland. Journal of Paleolimnology.

Published Abstracts

Diefendorf, A.F., Freeman, K.H., Wing, S.L., Smith, F.A., 2008. Carbon-isotope variability in terrestrial environments: examples from the early Paleogene sediments of the Bighorn Basin, Wyoming (USA). Environmental Chemistry Student Symposium. Pennsylvania State University, PA.

Diefendorf, A.F., Freeman, K.H., Wing, S.L., Smith, F.A., 2008. Carbon-isotope variability in terrestrial environments: examples from the early Paleogene sediments of the Bighorn Basin, Wyoming (USA). 40^th Annual Graduate Student Colloquium. Department of Geosciences, Pennsylvania State University, PA.

Diefendorf, A.F., Freeman, K.H., Wing, S.L., Smith, F.A., 2007. Carbon-isotope variability in terrestrial environments: examples from the Paleocene and Eocene sediments of the Bighorn Basin, Wyoming (USA). Geological Society of America Annual Meeting, Denver, CO.

Diefendorf, A.F., Patterson, W.P., Holmden, C., and Mullins, H.T., 2006. Millenial scale terrestrial landscape evolution inferred from carbon isotope records of a marl lake in western Ireland. Geological Society of America Annual Meeting, Philadelphia, PA.

Smith, F.A., Wing, S.L., Freeman, K.H., and Diefendorf, A.F., 2006. Plant biomarker signatures of floral change across the PETM. Penn State Astrobiology Annual Meeting, Pennsylvania State University, PA.

Diefendorf, A.F., Patterson, W.P., Holmden, C., Mullins, H.T., 2006. Carbon isotopes of lake sediments influenced by bedrock and terrestrial vegetation during the late Glacial and Early Holocene: A multiproxy study of lacustrine sediments at Lough Inchiquin, western Ireland. 38^th Annual Graduate Student Colloquium. Department of Geosciences, Pennsylvania State University, PA.

Regberg, A.B., Diefendorf, A.F., Minyard, M., and Baumann, B., 2006. Soil Toxicity at the Skytop Road-Cut on Interstate I-99: Plant Germination and Growth Experiments. North-Eastern Section, Geological Society of America Regional Meeting. Harrisburg, PA.

Regberg, A.B., Diefendorf, A.F., Minyard, M., and Baumann, B., 2006. Soil Toxicity at the Skytop Road-Cut on Interstate I-99: Plant Germination and Growth Experiments. Environmental Chemistry Student Symposium, Pennsylvania State University, PA.

Diefendorf, A.F., and Patterson, W.P., 2005. Spatial Variation of Stable Isotope Values of Modern Irish Surface Waters: A Foundation for Multi-proxy Paleoclimate Investigations of Ireland. Western Inter-University Geological Conference. Saskatoon, SK, Canada.

Ogilvie*, P.L., Diefendorf, A.F., Patterson, W.P., Holmden, C., and Mullins, H.T., 2005. Multiproxy Stable Isotope Study of Holocene Climate variability at Lough Gallaun, Western Ireland. Western Inter-University Geological Conference. Saskatoon, SK, Canada.

Dietrich, K.A., Patterson, W.P., Holmden, C., and Diefendorf, A.F., 2005. A Survey of Stable Isotopes in Modern Surface Waters of Iceland. Western Inter-University Geological Conference. Saskatoon, SK, Canada.

Diefendorf, A.F., and Patterson, W.P., 2004. Stable Isotopes in Modern Irish Surface Waters: A Basis for Paleoclimate Investigations of Ireland. Geological Society of America Annual Meeting, Denver, CO.

Ogilvie*, P., Diefendorf, A.F., Patterson, W.P., Holmden, C., and Mullins, H.T., 2004. Multiproxy Study of Late Pleistocene/Holocene Climate Variability at Lough Gallaun, Western Ireland from Stable Isotopes of Lacustrine Marl and Organic Sediment. Geological Society of America Annual Meeting, Denver, CO.

Dietrich, K., Patterson, W.P., Holmden, C., and Diefendorf, A.F., 2004. A Survey of Stable Isotopes in Modern Surface Waters of Iceland. Geological Society of America Annual Meeting, Denver, CO.

Diefendorf, A.F., Patterson, W.P., Mullins, H.T., Martini, A., and O'Connell, M. 2003. High-Resolution Holocene Climate Variability at Lough Inchiquin, Western Ireland: Evidence from Stable Carbon and Oxygen Isotope Values of Lacustrine Sediment. Geological Society of America Annual Meeting, Seattle, WA.

Diefendorf, A.F., Patterson, W., Mullins, H., and Martini, A., 2003. High-resolution Holocene Climate Variability: Evidence from Stable Isotope Values of Lacustrine Carbonate from Western Ireland. Geological Association of Canada Annual Meeting. Vancouver, May 2003.

Diefendorf, A.F., and Patterson, W., 2003. Late Glacial to Mid-Holocene Climate Change in Western Ireland: Evidence from High-Resolution Stable Isotope Record of Lacustrine Marl. 16th Annual Keck Research Symposium in Geology Proceedings, Keck Geology Consortium. Beloit College, Beloit, WI.

Diefendorf, A.F., and Mora, C.I., 2002. Tracking Quaternary Ecosystem Shifts in a Modern Vertisol Climosequence, Texas Coastal Prairie. North-Central Section and Southeastern Section, Geological Society of America Joint Annual Meeting. Lexington, KY.

Mora, C.I., Miller, D.L., Diefendorf, A.F., and Driese, S.G., 2002. Stable Isotopes, Climate and Time: Isotopic Trends in a Vertisol Climosequence and Chronosequence from the Texas Gulf Coastal Prairie, USA. Sixth International Symposium on the Geochemistry of the Earth's Surface East-West Center, Honolulu, Hawaii.

Mora, C.I., Miller, D.L., Diefendorf, A.F., Stiles, C.A., and Driese, S.G., 2002. Climate-Isotope Relationships in a Modern Vertisol Climosequence, Coastal Texas. Geological Society of America Annual Meeting. Denver, CO.

* Cosupervising undergraduate student with Bill Patterson.

Theses

Diefendorf, A.F., 2005. Late-Glacial to Holocene Climate Variability in Western Ireland. M. Sc. Thesis. Department of Geological Sciences, University of Saskatchewan, Saskatoon, SK, Canada.

Diefendorf, A.F., 2002. Systematic Variations in Stable Carbon and Oxygen Isotopes in a Vertisol Climosequence Across the Texas Coastal Prairie. Senior Thesis. Department of Geological Sciences, University of Tennessee, Knoxville.