Katherine Haines Freeman, PhD

  • Evan Pugh University Professor of Geosciences, Geosciences
    • 11073 Citations
    • 53 h-Index
    1986 …2020

    Research output per year

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    2020

    Origin of a global carbonate layer deposited in the aftermath of the Cretaceous-Paleogene boundary impact

    Bralower, T., Cosmidis, J., Heaney, P. J., Kump, L., Morgan, J. V., Harper, D. T., Lyons, S. L., Freeman, K. H., Grice, K., Wendler, J. E., Zachos, J. C., Artemieva, N., Chen, S. A., Gulick, S. P. S., House, C. H., Jones, H. L., Lowery, C. M., Nims, C., Schaefer, B., Thomas, E. & 1 others, Vajda, V., Oct 15 2020, In : Earth and Planetary Science Letters. 548, 116476.

    Research output: Contribution to journalArticle

    2019

    Aquatic biomarkers record Pleistocene environmental changes at Paleolake Olduvai, Tanzania

    Colcord, D. E., Shilling, A. M., Freeman, K. H., Njau, J. K., Stanistreet, I. G., Stollhofen, H., Schick, K. D., Toth, N. & Brassell, S. C., Jun 15 2019, In : Palaeogeography, Palaeoclimatology, Palaeoecology. 524, p. 250-261 12 p.

    Research output: Contribution to journalArticle

    7 Scopus citations

    Biogeochemical evidence for environmental changes of Pleistocene Lake Olduvai during the transitional sequence of OGCP core 2A that encompasses Tuff IB (~1.848 Ma)

    Shilling, A. M., Colcord, D. E., Karty, J., Hansen, A., Freeman, K. H., Njau, J. K., Stanistreet, I. G., Stollhofen, H., Schick, K. D., Toth, N. & Brassell, S. C., Oct 15 2019, In : Palaeogeography, Palaeoclimatology, Palaeoecology. 532, 109267.

    Research output: Contribution to journalArticle

    6 Scopus citations

    Canopy structure in Late Cretaceous and Paleocene forests as reconstructed from carbon isotope analyses of fossil leaves

    Graham, H. V., Herrera, F., Jaramillo, C., Wing, S. L. & Freeman, K. H., Oct 1 2019, In : Geology. 47, 10, p. 977-981 5 p.

    Research output: Contribution to journalArticle

    1 Scopus citations

    Carbon Isotope Record of Trace n-alkanes in a Continental PETM Section Recovered by the Bighorn Basin Coring Project (BBCP)

    the Bighorn Basin Coring Project (BBCP) Science Team, May 2019, In : Paleoceanography and Paleoclimatology. 34, 5, p. 853-865 13 p.

    Research output: Contribution to journalArticle

    1 Scopus citations

    Carbon isotopic heterogeneity of coenzyme F430 and membrane lipids in methane-oxidizing archaea

    Bird, L. R., Dawson, K. S., Chadwick, G. L., Fulton, J. M., Orphan, V. J. & Freeman, K. H., Nov 1 2019, In : Geobiology. 17, 6, p. 611-627 17 p.

    Research output: Contribution to journalArticle

    1 Scopus citations

    Climate, ecology, and the spread of herding in eastern Africa

    Chritz, K. L., Cerling, T. E., Freeman, K. H., Hildebrand, E. A., Janzen, A. & Prendergast, M. E., Jan 15 2019, In : Quaternary Science Reviews. 204, p. 119-132 14 p.

    Research output: Contribution to journalArticle

    11 Scopus citations

    Palaeocene–Eocene Thermal Maximum prolonged by fossil carbon oxidation

    Lyons, S. L., Baczynski, A. A., Babila, T. L., Bralower, T. J., Hajek, E. A., Kump, L. R., Polites, E. G., Self-Trail, J. M., Trampush, S. M., Vornlocher, J. R., Zachos, J. C. & Freeman, K. H., Jan 1 2019, In : Nature Geoscience. 12, 1, p. 54-60 7 p.

    Research output: Contribution to journalArticle

    12 Scopus citations

    Radiolysis of Macromolecular Organic Material in Mars-Relevant Mineral Matrices

    Fox, A. C., Eigenbrode, J. L. & Freeman, K. H., Dec 1 2019, In : Journal of Geophysical Research: Planets. 124, 12, p. 3257-3266 10 p.

    Research output: Contribution to journalArticle

    Open Access
    2 Scopus citations

    Soil organic carbon stability in forests: Distinct effects of tree species identity and traits

    Angst, G., Mueller, K. E., Eissenstat, D. M., Trumbore, S., Freeman, K. H., Hobbie, S. E., Chorover, J., Oleksyn, J., Reich, P. B. & Mueller, C. W., Apr 2019, In : Global Change Biology. 25, 4, p. 1529-1546 18 p.

    Research output: Contribution to journalArticle

    17 Scopus citations

    Strong correspondence between nitrogen isotope composition of foliage and chlorin across a rainfall gradient: Implications for paleo-reconstruction of the nitrogen cycle

    Goulden, S. K. E., Ohkouchi, N., Freeman, K. H., Chikaraishi, Y., Ogawa, N. O., Suga, H., Chadwick, O. & Houlton, B. Z., Oct 8 2019, In : Biogeosciences. 16, 19, p. 3869-3882 14 p., bg-16-3869-2019.

    Research output: Contribution to journalArticle

    Open Access

    The first day of the Cenozoic

    Gulick, S. P. S., Bralower, T. J., Ormö, J., Hall, B., Grice, K., Schaefer, B., Lyons, S., Freeman, K. H., Morgan, J. V., Artemieva, N., Kaskes, P., De Graaff, S. J., Whalen, M. T., Collins, G. S., Tikoo, S. M., Verhagen, C., Christeson, G. L., Claeys, P., Coolen, M. J. L., Goderis, S. & 9 others, Goto, K., Grieve, R. A. F., McCall, N., Osinski, G. R., Rae, A. S. P., Riller, U., Smit, J., Vajda, V. & Wittmann, A., Sep 24 2019, In : Proceedings of the National Academy of Sciences of the United States of America. 116, 39, p. 19342-19351 10 p.

    Research output: Contribution to journalArticle

    11 Scopus citations
    2018

    Acceptance of the Treibs Award

    Freeman, K. H., Mar 15 2018, In : Geochimica et Cosmochimica Acta. 225, p. 235-236 2 p.

    Research output: Contribution to journalArticle

    Climate response of the Florida Peninsula to Heinrich events in the North Atlantic

    Arnold, T. E., Diefendorf, A. F., Brenner, M., Freeman, K. H. & Baczynski, A. A., Aug 15 2018, In : Quaternary Science Reviews. 194, p. 1-11 11 p.

    Research output: Contribution to journalArticle

    5 Scopus citations

    Evidence for Shelf Acidification During the Onset of the Paleocene-Eocene Thermal Maximum

    Bralower, T. J., Kump, L. R., Self-Trail, J. M., Robinson, M. M., Lyons, S., Babila, T., Ballaron, E., Freeman, K. H., Hajek, E., Rush, W. & Zachos, J. C., Dec 2018, In : Paleoceanography and Paleoclimatology. 33, 12, p. 1408-1426 19 p.

    Research output: Contribution to journalArticle

    6 Scopus citations

    Fatty acid specific δ13C values reveal earliest Mediterranean cheese production 7,200 years ago

    McClure, S. B., Magill, C., Podrug, E., Moore, A. M. T., Harper, T. K., Culleton, B. J., Kennett, D. J. & Freeman, K. H., Sep 2018, In : PloS one. 13, 9, e0202807.

    Research output: Contribution to journalArticle

    7 Scopus citations

    Grassland fire ecology has roots in the late Miocene

    Karp, A. T., Behrensmeyer, A. K. & Freeman, K. H., Nov 27 2018, In : Proceedings of the National Academy of Sciences of the United States of America. 115, 48, p. 12130-12135 6 p.

    Research output: Contribution to journalArticle

    12 Scopus citations

    Picomolar-scale compound-specific isotope analyses

    Baczynski, A. A., Polissar, P. J., Juchelka, D., Schwieters, J., Hilkert, A., Summons, R. E. & Freeman, K. H., May 15 2018, In : Rapid Communications in Mass Spectrometry. 32, 9, p. 730-738 9 p.

    Research output: Contribution to journalArticle

    6 Scopus citations

    Pigment carbon and nitrogen isotopic signatures in euxinic basins

    Fulton, J. M., Arthur, M. A., Thomas, B. & Freeman, K. H., Jul 2018, In : Geobiology. 16, 4, p. 429-445 17 p.

    Research output: Contribution to journalArticle

    8 Scopus citations

    Sub-Milankovitch paleoclimatic and paleoenvironmental variability in East Africa recorded by Pleistocene lacustrine sediments from Olduvai Gorge, Tanzania

    Colcord, D. E., Shilling, A. M., Sauer, P. E., Freeman, K. H., Njau, J. K., Stanistreet, I. G., Stollhofen, H., Schick, K. D., Toth, N. & Brassell, S. C., Apr 15 2018, In : Palaeogeography, Palaeoclimatology, Palaeoecology. 495, p. 284-291 8 p.

    Research output: Contribution to journalArticle

    13 Scopus citations

    The influence of pressure on crude oil biodegradation in shallow and deep Gulf of Mexico sediments

    Nguyen, U. T., Lincoln, S. A., Juárez, A. G. V., Schedler, M., Macalady, J. L., Müller, R. & Freeman, K. H., Jul 2018, In : PloS one. 13, 7, e0199784.

    Research output: Contribution to journalArticle

    6 Scopus citations

    Viable cyanobacteria in the deep continental subsurface

    Puente-Sánchez, F., Arce-Rodríguez, A., Oggerin, M., García-Villadangos, M., Moreno-Paz, M., Blanco, Y., Rodríguez, N., Bird, L., Lincoln, S. A., Tornos, F., Prieto-Ballesteros, O., Freeman, K. H., Pieper, D. H., Timmis, K. N., Amils, R. & Parro, V., Oct 16 2018, In : Proceedings of the National Academy of Sciences of the United States of America. 115, 42, p. 10702-10707 6 p.

    Research output: Contribution to journalArticle

    27 Scopus citations
    2017

    Aggregation controls the stability of lignin and lipids in clay-sized particulate and mineral associated organic matter

    Angst, G., Mueller, K. E., Kögel-Knabner, I., Freeman, K. H. & Mueller, C. W., Feb 1 2017, In : Biogeochemistry. 132, 3, p. 307-324 18 p.

    Research output: Contribution to journalArticle

    48 Scopus citations

    Carbon cycle perturbation expressed in terrestrial Permian–Triassic boundary sections in South China

    Cui, Y., Bercovici, A., Yu, J., Kump, L. R., Freeman, K. H., Su, S. & Vajda, V., Jan 1 2017, In : Global and Planetary Change. 148, p. 272-285 14 p.

    Research output: Contribution to journalArticle

    27 Scopus citations

    Fire and ecosystem change in the Arctic across the Paleocene–Eocene Thermal Maximum

    Denis, E. H., Pedentchouk, N., Schouten, S., Pagani, M. & Freeman, K. H., Jun 1 2017, In : Earth and Planetary Science Letters. 467, p. 149-156 8 p.

    Research output: Contribution to journalArticle

    7 Scopus citations

    Microbial communities and organic biomarkers in a Proterozoic-analog sinkhole

    Hamilton, T. L., Welander, P. V., Albrecht, H. L., Fulton, J. M., Schaperdoth, I., Bird, L. R., Summons, R. E., Freeman, K. H. & Macalady, J. L., Nov 2017, In : Geobiology. 15, 6, p. 784-797 14 p.

    Research output: Contribution to journalArticle

    8 Scopus citations
    2016

    Dietary options and behavior suggested by plant biomarker evidence in an early human habitat

    Magill, C. R., Ashley, G. M., Domínguez-Rodrigo, M. & Freeman, K. H., Mar 15 2016, In : Proceedings of the National Academy of Sciences of the United States of America. 113, 11, p. 2874-2879 6 p.

    Research output: Contribution to journalArticle

    25 Scopus citations

    Distortion of carbon isotope excursion in bulk soil organic matter during the Paleocene-Eocene thermal maximum

    Baczynski, A. A., McInerney, F. A., Wing, S. L., Kraus, M. J., Morse, P. E., Bloch, J. I., Chung, A. H. & Freeman, K. H., Sep 1 2016, In : Bulletin of the Geological Society of America. 128, 9-10, p. 1352-1366 15 p.

    Research output: Contribution to journalArticle

    15 Scopus citations

    Draft genome sequence of the piezotolerant and crude oildegrading bacterium Rhodococcus qingshengii strain TUHH-12

    Lincoln, S. A., Hamilton, T. L., Ju�rez, A. G. V., Schedler, M., Macalady, J. L., M�ller, R. & Freeman, K. H., 2016, In : Genome Announcements. 3, 2, e00268-15.

    Research output: Contribution to journalArticle

    4 Scopus citations

    Geoffrey Eglinton (1927–2016)

    Freeman, K. H., Apr 21 2016, In : Nature. 532, 7599, p. 314 1 p.

    Research output: Contribution to journalArticle

    Multiproxy paleoaltimetry of the late oligocene-pliocene Oiyug Basin, Southern Tibet

    Currie, B. S., Polissar, P. J., Rowley, D. B., Ingalls, M., Li, S., Olack, G. & Freeman, K. H., May 2016, In : American Journal of Science. 316, 5, p. 401-436 36 p.

    Research output: Contribution to journalArticle

    39 Scopus citations
    2015
    5 Scopus citations
    15 Scopus citations

    Paleogene plants fractionated carbon isotopes similar to modern plants

    Diefendorf, A. F., Freeman, K. H., Wing, S. L., Currano, E. D. & Mueller, K. E., Nov 1 2015, In : Earth and Planetary Science Letters. 429, p. 33-44 12 p.

    Research output: Contribution to journalArticle

    35 Scopus citations

    Rapid sequential separation of sedimentary lipid biomarkers via selective accelerated solvent extraction

    Magill, C. R., Denis, E. H. & Freeman, K. H., Nov 1 2015, In : Organic Geochemistry. 88, p. 29-34 6 p.

    Research output: Contribution to journalArticle

    7 Scopus citations

    Trans-Amazon Drilling Project (TADP): Origins and evolution of the forests, climate, and hydrology of the South American tropics

    Baker, P. A., Fritz, S. C., Silva, C. G., Rigsby, C. A., Absy, M. L., Almeida, R. P., Caputo, M., Chiessi, C. M., Cruz, F. W., Dick, C. W., Feakins, S. J., Figueiredo, J., Freeman, K. H., Hoorn, C., Jaramillo, C., Kern, A. K., Latrubesse, E. M., Ledru, M. P., Marzoli, A., Myrbo, A. & 8 others, Noren, A., Piller, W. E., Ramos, M. I. F., Ribas, C. C., Trnadade, R., West, A. J., Wahnfried, I. & Willard, D. A., Dec 17 2015, In : Scientific Drilling. 20, p. 41-49 9 p.

    Research output: Contribution to journalArticle

    5 Scopus citations
    2014

    A comparison of terpenoid and leaf fossil vegetation proxies in Paleocene and Eocene Bighorn Basin sediments

    Diefendorf, A. F., Freeman, K. H. & Wing, S. L., Jun 2014, In : Organic Geochemistry. 71, p. 30-42 13 p.

    Research output: Contribution to journalArticle

    24 Scopus citations

    Comparison between two middle to outer neritic PETM sections: South Dover Bridge and Mattawoman Creek Billingsley Road cores, Mid-Atlantic Coastal Plain, USA

    Self-Trail, J. M., Robinson, M. M., Willard, D. A., Bralower, T. J., Edwards, L. E., Powars, D. S., Wandless, G. A., Freeman, K. H. & Denis, E., Jan 1 2014, In : Rendiconti Online Societa Geologica Italiana. 31, p. 195-196 2 p.

    Research output: Contribution to journalArticle

    Isotopic characteristics of canopies in simulated leaf assemblages

    Graham, H. V., Patzkowsky, M. E., Wing, S. L., Parker, G. G., Fogel, M. L. & Freeman, K. H., Nov 1 2014, In : Geochimica et Cosmochimica Acta. 144, p. 82-95 14 p.

    Research output: Contribution to journalArticle

    36 Scopus citations

    Tree-ring δ 13C tracks flux tower ecosystem productivity estimates in a NE temperate forest

    Belmecheri, S., Maxwell, R. S., Taylor, A. H., Davis, K. J., Freeman, K. H. & Munger, W. J., Jul 1 2014, In : Environmental Research Letters. 9, 7, 074011.

    Research output: Contribution to journalArticle

    29 Scopus citations
    2013

    Anaerobic biodegradation of the isoprenoid biomarkers pristane and phytane

    Dawson, K. S., Schaperdoth, I., Freeman, K. H. & Macalady, J. L., Dec 1 2013, In : Organic Geochemistry. 65, p. 118-126 9 p.

    Research output: Contribution to journalArticle

    14 Scopus citations

    Bighorn Basin Coring Project (BBCP): A continental perspective on early Paleogene hyperthermals

    Clyde, W. C., Gingerich, P. D., Wing, S. L., Röhl, U., Westerhold, T., Bowen, G., Johnson, K., Baczynski, A. A., Diefendorf, A., McInerney, F., Schnurrenberger, D., Noren, A., Brady, K., Acks, R., Baczynski, A., Belcher, C., Bowen, G., Brady, K., Clyde, W., Collinson, M. & 20 others, D'Ambrosia, A., Denis, E., Freeman, K., Gingerich, P., Harrington, G., Jardine, P., Johnson, K., Kraus, M., Maibauer, B., Noren, A., Riedel, J., Schnurrenberger, D., Schouten, S., Tsukui, K., Weijers, J., Welter, G., Westerhold, T., Wing, S., Wittkopp, F. & Wood, A., Nov 1 2013, In : Scientific Drilling. 16, p. 21-31 11 p.

    Research output: Contribution to journalArticle

    18 Scopus citations

    Correlating the ancient Maya and modern european calendars with high-precision AMS 14C dating

    Kennett, D. J., Hajdas, I., Culleton, B. J., Belmecheri, S., Martin, S., Neff, H., Awe, J., Graham, H. V., Freeman, K. H., Newsom, L., Lentz, D. L., Anselmetti, F. S., Robinson, M., Marwan, N., Southon, J., Hodell, D. A. & Haug, G. H., Apr 11 2013, In : Scientific reports. 3, 1597.

    Research output: Contribution to journalArticle

    21 Scopus citations

    Ecosystem variability and early human habitats in eastern Africa

    Magill, C. R., Ashley, G. M. & Freeman, K. H., Jan 22 2013, In : Proceedings of the National Academy of Sciences of the United States of America. 110, 4, p. 1167-1174 8 p.

    Research output: Contribution to journalArticle

    89 Scopus citations

    Export of submicron particulate organic matter to mesopelagic depth in an oligotrophic gyre

    Close, H. G., Shah, S. R., Ingalls, A. E., Diefendorf, A. F., Brodie, E. L., Hansman, R. L., Freeman, K. H., Aluwihare, L. I. & Pearson, A., Jul 30 2013, In : Proceedings of the National Academy of Sciences of the United States of America. 110, 31, p. 12565-12570 6 p.

    Research output: Contribution to journalArticle

    30 Scopus citations

    Reconstructing Late Ordovician carbon cycle variations

    Pancost, R. D., Freeman, K. H., Herrmann, A. D., Patzkowsky, M. E., Ainsaar, L. & Martma, T., Mar 5 2013, In : Geochimica et Cosmochimica Acta. 105, p. 433-454 22 p.

    Research output: Contribution to journalArticle

    36 Scopus citations

    Seasonal variations in aridity and temperature characterize changing climate during the last deglaciation in New Zealand

    Sikes, E. L., Medeiros, P. M., Augustinus, P., Wilmshurst, J. M. & Freeman, K. H., Aug 5 2013, In : Quaternary Science Reviews. 74, p. 245-256 12 p.

    Research output: Contribution to journalArticle

    19 Scopus citations

    Water, plants, and early human habitats in eastern Africa

    Magilla, C. R., Ashley, G. M. & Freeman, K. H., Jan 22 2013, In : Proceedings of the National Academy of Sciences of the United States of America. 110, 4, p. 1175-1180 6 p.

    Research output: Contribution to journalArticle

    56 Scopus citations

    What controls the concentration of various aliphatic lipids in soil?

    Mueller, K. E., Eissenstat, D. M., Müller, C. W., Oleksyn, J., Reich, P. B. & Freeman, K. H., Aug 2013, In : Soil Biology and Biochemistry. 63, p. 14-17 4 p.

    Research output: Contribution to journalArticle

    16 Scopus citations
    2012

    Black Sea nitrogen cycling and the preservation of phytoplankton δ15N signals during the Holocene

    Fulton, J. M., Arthur, M. A. & Freeman, K. H., Jun 18 2012, In : Global Biogeochemical Cycles. 26, 2, GB2030.

    Research output: Contribution to journalArticle

    30 Scopus citations