NAI
Katherine Freeman
Pennsylvania State University
Current Projects
- Developing New Biosignatures — 2014 NAI
- Biosignatures of Life in Ancient Stratified Ocean Analogs — 2014 NAI
- Biosignatures in Relevant Microbial Ecosystems — 2013 NAI
- Developing New Biosignatures — 2013 NAI
- Biosignatures in Relevant Microbial Ecosystems — 2012 NAI
- Developing New Biosignatures — 2012 NAI
- Developing New Biosignatures — 2011 NAI
- Biosignatures in Relevant Microbial Ecosystems — 2011 NAI
- Biosignatures in Relevant Microbial Ecosystems — 2010 NAI
- Developing New Biosignatures — 2010 NAI
- Biosignatures in Relevant Microbial Ecosystems — 2009 NAI
- Developing New Biosignatures — 2009 NAI
- Co-Evolution of Microbial Metabolisms in the Neoarchean and Paleoproterozoic — 2009 NAI
- Untitled — 2008 NAI
- Ferry Report — 2008 NAI
- Rise of Oxygen, Modern Analogs for Anoxic Oceans, and Effect of Early Life on Soil Development — 2007 NAI
- Evolution of a Habitable Planet (Kump) — 2006 NAI
- Evolution of a Habitable Planet (Arthur) — 2006 NAI
- Lee Kump — 2005 NAI
- Geopulse — 2004 NAI
- Molecular and Isotopic Biogeochemistry — 2004 NAI
- Laboratory Microbial Simulations: Astrobiological Signatures — 2004 NAI
- Geopulse — 2003 NAI
- Isotopic and Molecular Approaches to Microbial Ecology and Biogeochemistry (The Evolution of Organic Matter) — 2003 NAI
- Evolution of Atmospheric O2, Climate, and Biosphere - K. Freeman — 2003 NAI
- GEOPULSE (Gene Expression of Observations for Planetary Life Study) — 2002 NAI
- Evolution of Atmospheric O2, Climate, and Biosphere - Katherine H. Freeman — 2002 NAI
- Biogeochemical and Environmental Influences on the Composition of Late Archaean Kerogens and Extracts — 2001 NAI
- GEOPULSE (Gene Expression of Observations for Planetary Life Study) — 2001 NAI
- Astrobiology Education and Public Outreach — 2000 NAI
- Evolution of Atmospheric O2, Climate and the Terrestrial Biosphere: Approaches From Field-Oriented Geochemical Investigations. Causes and Consequences of the Diversification and Extinction of Metazoans: Field, Geochemical and Paleontological Investigations. - Katherine Freeman 2 — 2000 NAI
- Evolution of Atmospheric O2, Climate and the Terrestrial Biosphere: Approaches From Field-Oriented Geochemical Investigations. Causes and Consequences of the Diversification and Extinction of Metazoans: Field, Geochemical and Paleontological Investigations. - Katherine Freeman 1 — 2000 NAI
- View all 32 projects
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NAI Project Collaborators
- Project collaborators as reported by the latest NAI Annual Report.
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Publications
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Czaja, A. D., Johnson, C. M., Beard, B. L., Eigenbrode, J. L., Freeman, K. H., & Yamaguchi, K. E. (2010). Iron and carbon isotope evidence for ecosystem and environmental diversity in the ∼2.7 to 2.5Ga Hamersley Province, Western Australia. Earth and Planetary Science Letters, 292(1-2), 170–180. doi:10.1016/j.epsl.2010.01.032
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Dawson, K. S., Freeman, K. H., & MacAlady, J. L. (2012). Molecular characterization of core lipids from halophilic archaea grown under different salinity conditions. Organic Geochemistry, 48, 1–8. doi:10.1016/j.orggeochem.2012.04.003
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Diefendorf, A. F., Mueller, K. E., Wing, S. L., Koch, P. L., & Freeman, K. H. (2010). Global patterns in leaf 13C discrimination and implications for studies of past and future climate. Proceedings of the National Academy of Sciences, 107(13), 5738–5743. doi:10.1073/pnas.0910513107
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Fulton, J. M., Arthur, M. A., & Freeman, K. H. (2012). Subboreal aridity and scytonemin in the Holocene Black Sea. Organic Geochemistry, 49, 47–55. doi:10.1016/j.orggeochem.2012.05.008
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McInerney, F. A., Helliker, B. R., & Freeman, K. H. (2011). Hydrogen isotope ratios of leaf wax n-alkanes in grasses are insensitive to transpiration. Geochimica et Cosmochimica Acta, 75(2), 541–554. doi:10.1016/j.gca.2010.10.022
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Meyer, K. M., MacAlady, J. L., Fulton, J. M., Kump, L. R., Schaperdoth, I., & Freeman, K. H. (2011). Carotenoid biomarkers as an imperfect reflection of the anoxygenic phototrophic community in meromictic Fayetteville Green Lake. Geobiology, 9(4), 321–329. doi:10.1111/j.1472-4669.2011.00285.x
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Mueller, K. E., Diefendorf, A. F., Freeman, K. H., & Eissenstat, D. M. (2010). Appraising the roles of nutrient availability, global change, and functional traits during the angiosperm rise to dominance. Ecology Letters, 13(5), E1–E6. doi:10.1111/j.1461-0248.2010.01455.x
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Polissar, P. J., Fulton, J. M., Junium, C. K., Turich, C. C., & Freeman, K. H. (2009). Measurement of 13 C and 15 N Isotopic Composition on Nanomolar Quantities of C and N. Anal. Chem., 81(2), 755–763. doi:10.1021/ac801370c
See Project - Anbar, A.D., Boyd, E.S., Buick, R., Claire, M., Des Marais, D., Domagal-Goldman, S., Eigenbrode, J., Erwin, D., Freeman, K., Hazen, R., Johnson, C., Lyons, T., Meadows, V., Ohmoto, H., Ono, S., Peters, J.W., Shapiro, B., Summons, R. & Walter, M. (2010). An Archean biosphere initiative [abstract 5593]. Astrobiology Science Conference 2010. See Project
- Dawson, K.S., Freeman, K.H. & MacAlady, J.L. (2011). Molecular characterization of archaeal lipids across a hypersaline gradient. Goldschmidt Conference. Prague. See Project
- Dawson, K.S., Freeman, K.H. & MacAlady, J.L. (In Revision). Response of archaeal halophile membrane lipids chemistry to salinity levels. Applied & Environmental Microbiology. See Project
- Fulton, J.M., Arthur, M.A. & Freeman, K.H. (To Be Submitted). Scytonemin from desert soils in Holocene Black Sea sediments. Organic Geochemistry. See Project
- Fulton, J.M., Bird, L.R., Orphan, V. & Freeman, K.H. (In Preparation). Coenzyme F430 carbon and nitrogen isotopic signatures: a test of anaerobic methanotrophic pathway via reversed methanogenic biochemistry. Organic Geochemistry. See Project
- Meyer, K.M., Kump, L.R., MacAlady, J., Schaperdoth, I. & Freeman, K. (In Review). Benthic production of a putative planktonic biomarker. Geobiology. See Project
- Meyer, K.M., Kump, L.R., MacAlady, J., Schaperdoth, I. & Freeman, K. (in review). Benthic production of a putative planktonic biomarker. Geobiology. See Project See Project
- Sheridan, P.P., Freeman, K.H. & Brenchley, J.E. (2003). Estimated minimal divergence times of the major bacterial and archaeal phyla. Geomicrobiol. J, 20: 1-14. See Project
- Turich, C.H. & Freeman, K.H. (2010, In Press). Archaea lipids record transition from marine to hypersaline conditions. Organic Geochemistry. See Project
- View all 17 publications
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Email:
khf4@psu.edu -
Discipline
Geochemistry
Current NAI Teams
CAN 8
Past NAI Teams
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University of Wisconsin
CAN 4 -
Harvard University
CAN 1 -
Pennsylvania State University
CAN 1 -
Pennsylvania State University
CAN 3 -
Pennsylvania State University
CAN 5