Sedimentology & Marine Paleoenvironmental Dynamics
Dr. Kim Jakob
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Address: |
Institut für Geowissenschaften |
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Ruprecht-Karls-Universität Heidelberg |
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Im Neuenheimer Feld 234 |
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D-69120 Heidelberg |
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Room: |
202 |
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+49 (0)6221-54 8279 |
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Research Profile:
- Benthic and planktic foraminifera as paleoclimatic and paleoceanographic proxies
- Reconstruction of millennial- to glacial-interglacial-scale climate fluctuations and sea-level variability during the Pliocene/Pleistocene by generating Mg/Ca, 18O and clumped-isotope records
- Benthic foraminiferal δ18O stratigraphy
Short CV:
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since 06/2017 |
Postdoctoral Researcher, Institute of Earth Sciences, Heidelberg University. Ongoing project: „Quantitative reconstruction of sea-level dynamics for the Late Pliocene to Early Pleistocene (Marine Isotope Stages MG1–78): An integrated approach using oxygen isotopes, Mg/Ca ratios and clumped isotopes.” |
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03/2014 – 05/2017 |
Doctorate in Paleontology/Geology (Dr. rer. nat.), Institute of Earth Sciences, Heidelberg University. Thesis title: “Late Pliocene to early Pleistocene millennial-scale climate fluctuations and sea-level variability: A view from the tropical Pacific and the North Atlantic.” |
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02/2012 – 02/2014 |
Student Research Assistant, Institute of Geosciences, University of Frankfurt, Germany. |
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10/2011 – 12/2013 |
M.Sc. Geosciences (Geology/Paleontology), Institute of Geoscience, Goethe-University Frankfurt. Thesis title: “Fluctuations of the oxygen minimum zone in the Arabian Sea based on the pore density of benthic foraminifera.” |
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10/2008 – 09/2011
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B.Sc. Geosciences, Institute of Geoscience, Goethe-University Frankfurt. Thesis title: “Oxygen isotope research on Pecten maximus.” |
Publications:
(as of 06/2021)
[8] Jakob, K.A., Pross, J., Link, J.M., Blaser, P., Hauge Braaten, A., Friedrich, O. (2021): Deep-ocean circulation in the North Atlantic during the Plio-Pleistocene intensification of Northern Hemisphere Glaciation (~2.65–2.4 Ma). Marine Micropaleontology 165, 101998.
[7] Jakob, K.A., Ho, S.L., Meckler, A.N., Pross, J., Fiebig, J., Keppler, F., Friedrich, O. (2021): Stable Biological Production in the Eastern Equatorial Pacific across the Plio-Pleistocene Transition (~3.35–2.0 Ma). Paleoceanography and Paleoclimatology 36, e2020PA003965.
[6] Jakob, K.A., Wilson, P.A., Pross, J., Ezard, T.H.G., Fiebig, J., Repschläger, J., Friedrich, O. (2020): A new sea-level record for the Neogene/Quaternary boundary reveals transition to a more stable East Antarctic Ice Sheet. Proceedings of the National Academy of Sciences 117, 30980-30987.
[5] Pöppelmeier, F., Blaser, P., Gutjahr, M., Süfke, F., Thornalley, D.J.R., Grützner, J., Jakob, K.A., Link, J.M., Szidat, S., Lippold, J. (2019): Influence of ocean circulation and benthic exchange on deep Northwest Atlantic Nd isotope records during the past 30,000 years. Geochemistry, Geophysics, Geosystems, 20.
[4] Jakob, K.A., Pross, J., Scholz, C., Fiebig, J., Friedrich, O. (2018): Thermocline state change in the eastern equatorial Pacific during the late Pliocene/early Pleistocene intensification of Northern Hemisphere glaciation. Climate of the Past 14, 1079–1095.
[3] Jakob, K.A. (2017): Late Pliocene to early Pleistocene millennialscale climate fluctuations and sea-level variability: A view from the tropical Pacific and the North Atlantic. PhD Dissertation, Naturwissenschaftlich-Mathematische Gesamtfakultät, Universität Heidelberg.
[2] Jakob, K.A., Bolton, C.T., Wilson, P.A., Bahr, A., Pross, J., Fiebig, J., Kähler, K., Friedrich, O. (2017): Glacial-interglacial changes in equatorial Pacific surface-water structure during the Plio-Pleistocene intensification of Northern Hemisphere Glaciation. Earth and Planetary Science Letters 463, 69–80.
[1] Jakob, K.A., Wilson, P.A., Bahr, A., Bolton, C.T., Pross, J., Fiebig, J., Friedrich, O. (2016): Plio-Pleistocene glacial-interglacial productivity changes in the eastern equatorial Pacific upwelling system. Paleoceanography 31, 453–470.
Conference Contributions:
(as of 10/2019)
[16] Jakob, K.A., Ho, S.L., Meckler, A.N., Pross, J., Friedrich, O. (2019): Sea-level dynamics during the Late Pliocene to Early Pleistocene (~3.35–2.05 Myr). ICP, Sydney, Australien [Poster].
[15] Ho, S.L., Jakob, K.A., Friedrich, O., Meckler, A.N. (2019): Plio-Pleistocene bottom-water temperature evolution in the Eastern Equatorial Pacific. ICP, Sydney, Australien [Poster].
[14] Jakob, K.A., Wilson, P.A., Pross, J., Fiebig, J., Friedrich O. (2019): Sea-level change across the Plio-Pleistocene intensification of Northern Hemisphere Glaciation: Reconciling signals from the Pacific and Atlantic Oceans. Joint IODP/ICDP Meeting, Cologne, Germany [Poster].
[13] Link, J.M., Frank, N., Blaser, P., Lippold, J., Jakob, K.A., Friedrich, O., Gutjahr, M., Osborne, A.H., Frank, M. (2019): Interhemispheric gradient of Nd isotopes in the deep Atlantic Ocean since 800 ka. Joint IODP/ICDP Meeting, Cologne, Germany [Talk].
[12] Jakob, K.A., Wilson, P.A., Pross, J., Fiebig, J., Friedrich O. (2018): Early Quaternary stability of the East Antarctic Ice Sheet linked to Northern Hemisphere ice volume. MagellanPlus Workshop, Southampton, UK [Poster].
[11] Jakob, K.A., Wilson, P.A., Pross, J., Fiebig, J., Friedrich O. (2018): Early Quaternary stabilisation of the East Antarctic Ice Sheet linked to Northern Hemisphere ice volume. Joint IODP/ICDP Meeting, Bochum, Germany [Poster].
[10] Link, J.M., Blaser, P., Gutjahr, M., Pöppelmeier, F., Lippold, J., Jakob, K.A., Osborne, A.H., Böhm, E., Frank, M., Friedrich, O., Frank, N. (2018): North Atlantic deep water provenance during the past one million years. Joint IODP/ICDP Meeting, Bochum, Germany [Poster].
[9] Ho, S.L., Meinicke, N., Piasecki, A., Leutert, T.J., Jakob, K.A., Friedrich, O., Meckler, A.N. (2017). Generating Δ47 paleo-temperatures from foraminifera using the Kiel IV-MAT253 plus setup: technical and statistical aspects. 6th International Clumped Isotope Workshop, Paris, Frankreich [Poster].
[8] Jakob, K. A., Wilson, P. A., Pross, J., Fiebig, J., Friedrich O. (2017): Sea-level evolution during the Plio-Pleistocene intensification of Northern Hemisphere Glaciation: New insights from the Eastern Equatorial Pacific and North Atlantic. Joint IODP/ICDP Meeting, Braunschweig, Deutschland [Talk]
[7] Jakob, K.A., Bolton, C.T., Wilson, P.A., Bahr, A., Link, J., Pross, J., Fiebig, J., Kähler, K., Frank, N., Friedrich, O. (2016): Ocean temperature and sea-level variability during the Plio-Pleistocene intensification of Northern Hemisphere Glaciation: A view from the eastern equatorial Pacific. ICP, Utrecht, The Netherlands [Poster]
[6] Jakob, K.A., Wilson, P.A., Bahr, A., Bolton, C.T., Pross, J., Fiebig, J., Friedrich, O. (2016): Plio-Pleistocene glacial-interglacial productivity changes in the eastern equatorial Pacific upwelling system. ICP, Utrecht, The Netherlands [Poster]
[5] Jakob, K.A., Wilson, P.A., Bahr, A., Bolton, C.T., Pross, J., Fiebig, J., Friedrich, O. (2016): Plio-Pleistocene glacial-interglacial productivity changes in the eastern equatorial Pacific upwelling system. Joint IODP/ICDP Meeting, Heidelberg, Germany [Poster]
[4] Jakob, K.A., Friedrich, O., Bahr, A., Bolton, C.T., Wilson, P.A., Pross, J., Fiebig, J. (2015): Glacial-interglacial productivity changes in the eastern equatorial Pacific upwelling system: a threshold response to Plio-Pleistocene ice-sheet dynamics? Implications from foraminiferal stable carbon and oxygen isotopes. Jahrestagung der Arbeitsgemeinschaft Stabile Isotope e.V., Heidelberg, Germany [Talk]
[3] Jakob, K.A., Friedrich, O., Pross, J. (2015): Early Pleistocene sea-level and millennial-scale climate fluctuations: a view from the tropical Pacific. EGU Gen. Ass. 2015, Vienna, Austria [Poster]
[2] Jakob, K.A., Friedrich, O., Pross, J. (2015): Deciphering early Pleistocene sea-level variability and millennial-scale climate fluctuations in the eastern equatorial Pacific. Joint IODP/ICDP Meeting, Bonn, Germany [Poster]
[1] Jakob, K.A., Kähler, K., Friedrich, O., Pross, J. (2014): Early Pleistocene sea-level and millennial-scale climate fluctuations: a view from the tropical Pacific. GeoFrankfurt, Frankfurt, Germany [Poster]
