in preparation/in review/in revision
Ruebsam, W., Scholz, F., Böttcher, M., Grice, K., Schwark, L., Photic zone euxinia in a ferruginous lagoon. (in preparation)
Ruebsam, W., Al-Husseini, M., Thibault, N., Diachronicity of early Toarcian ammonite biozones between paleoceanographic realms – Implications for the early Toarcian timescale. (in preparation)
Ruebsam, W., Franz, M., Schwark, L., Pattern and controls on organic carbon burial in Latest Triassic–Early Jurassic coastal-deltaic to offshore environments. (in review)
Ansorge, J., Franz, M., Götz, A.E., Obst, K., Reich, M., Ruebsam, W., Schwark, L., Stratigraphy and palaeoecology of the Toarcian in NE Germany – organo-detrital vs. detrital sedimentation in response to accelerated productivity of the planktonic ecosystem (in review)
Changjun, J., Yun, C., Zhenhan, W., Qian, W., Huaiming, S., Chong, C., Guoqing, X., Ahmed, M.S., Ruebsam, W., Mansour, A., High-resolution record of Pliensbachian-Toarcian and early Toarcian carbon isotope events in the eastern Tethys (in revision)
Farouk, S., Abdeldaim, A., Ahmad, F., Ruebsam, W., Alsuwaidi, M., Al‑Kahtany, K., Astronomical timescale for the upper Cenomanian-Turonian strata and Cretaceous Oceanic Anoxic Event 2 in Jordan. (in revision)
2025
43. De Keyser, T.,
Ruebsam, W., Al-Husseini, M., Crespo de Cabrera, S., Al-Sahlan, G., 2025. Carbon isotope stratigraphy of the Toarcian in Kuwait. Gondwana
Research 137, 209-226, https://doi.org/10.1016/j.gr.2024.09.005
2024
42. Reolid, M., Ruebsam, W., Reolid, J., Benton, M.J., 2025. Impact of early Toarcian climatic changes on marine reptiles: extinction and recovery. Earth-Science
Reviews 259, 104965, https://doi.org/10.1016/j.earscirev.2024.104965
41. Zhang, Q., Shen, L., Fu, X., Wang, J., Zeng, S., Ruebsam, W., Ahmed, M., Shen, H. Mansour, A., 2024. Eocene climate and hydrology of eastern Asia controlled
by orbital forcing and Tibetan Plateau uplift. Earth and Planetary Science Letters 646, 118981, https://doi.org/10.1016/j.epsl.2024.118981
40. Mansour, A., Wang, J., Tahoun, S.S., Fu, X., Ruebsam, W., 2024. Regional to global correlation of the early late Cenomanian sea level transgression and related
dynamics: New perspectives. Earth-Science Reviews 256, 104863, https://doi.org/10.1016/j.earscirev.2024.10486
39. Marten, T., Ruebsam, W., Mutterlose, J., Wiesenberg, G., Schwark, L., 2024. Latest Pliensbachian to Early Toarcian depositional environment and organo-
facies evolution in the North-German Basin (Hondelage Section). International Journal of Earth Sciences, https://doi.org/10.1007/s00531-024-02433-7
38. Schwark, L., Ruebsam, W., 2024. Climate cyclicity controlled recurrent bottom-water ventilation events in the aftermath of the early Toarcian Jenkyns Event.
International Journal of Earth Sciences, https://doi.org/10.1007/s00531-024-02417-7
37. Ruebsam, W., Franz, M., Ansorge, J., Ost, K., Schwark, L., 2024. Late Triassic to Early Jurassic carbon isotope chemostratigraphy and organo-facies evolution
in a distal to proximal transect of the North German Basin. International Journal of Earth Sciences, https://doi.org/10.1007/s00531-024-02418-6
36. Ruebsam, W., Schwark, L., 2024. Disparity between Toarcian Anoxic Event and Toarcian Carbon Isotope Excursion. International Journal of Earth Sciences,
https://doi.org/10.1007/s00531-024-02408-8
35. Mansour, A., Wang, J., Ruebsam, W., Tahoun, S.S., Ahmed, M.S., Fu, X., Abdelhalim, L.A., 2024. Late Albian-Cenomanian paleoenvironmental and
paleoclimatic reconstructions in northeastern Gondwana: Palynological perceptions. Cretaceous Research 160, 105878,doi.org/10.1016/j.cretres.2024.105878
34. Mansour, A., Ruebsam, W., Tahoun, S.S., Wang, J., Ahmed, M.S., Fu, X., 2024. Palynological sequence stratigraphic development and eustatic sea-level
controls during the Late Albian-Cenomanian from fluvio-deltaic to the
shallow platform settings at the northern paleo-Gondwana margin (Egypt).
Marine and Petroleum Geology 163, 106781, doi.org/10.1016/j.marpetgeo.2024.106781
33. Kovács, E.B., Ruhl, M., Silva, R.L., McElwain, J., Reolid, M., Korte, C., Ruebsam, W., Hesselbo, S.P., 2024. Mercury sequestration pathways under different
depositional conditions during Early Jurassic (Pliensbachian–Toarcian) Karoo-Ferrar volcanism. Palaeogeography, Palaeoclimatology, Palaeoecology 637,
111977, doi.org/10.1016/j.palaeo.2023.111977
2023
32. Reolid, M., Soussi, M., Ruebsam, W., Taher, B.H., Mattioli, E., Said, M., Schwark, L., 2023. Ecosystem recovery after the T-OAE (Early Jurassic) in the Tunisian
Atlas (the Châabet El Attaris section). Palaeogeography, Palaeoclimatology, Palaeoecology 631, 111832, doi.org/10.1016/j.palaeo.2023.111832
31. Jonas, A.S., Kars, M., Bauersachs, T., Ruebsam, W., Schwark, L., 2023. Southwards displacement of the glacial westerly jet over Asia driven by enhanced Arctic
amplification after the Mid-Brunhes Event. Global and Planetary Change 227, 104173, doi.org/10.1016/j.gloplacha.2023.104173
30. Ruebsam, W., Al-Husseini, M., Schmid-Röhl, A., 2023. Astronomical timescale for the early Toarcian (Early Jurassic) Posidonia Shale and global environmental
changes. Palaeogeography, Palaeoclimatology, Palaeoecology 623, 111619, doi.org/10.1016/j.palaeo.2023.111619
29. Ruebsam, W., Schwark, L., 2023. Phytoplankton dynamics and nitrogen cycling during Oceanic Anoxic Event 2 (Cenomanian/Turonian) in the upwelling zone
of the NE proto-North Atlantic. Global and Planetary Change 224, 104117, doi.org/10.1016/j.gloplacha.2023.104117
2022
28. Reolid, M., Ruebsam, W., Benton, M.J., 2022. Dinosaur extinctions related to the Jenkyns Event (early Toarcian, Jurassic). Spanish Journal of Palaeontology,
https://doi.org/10.7203/sjp.25683
27. Wang, D., Schwark, L., Ruebsam, W., Holman, A.I., Böttcher, M.E., Idiz, E., Coolen, M.J.L., Grice , K., 2022. Eccentricity paced paleoenvironment evolution and
microbial community structure in the Gulf of Mexico during the outgoing Early Eocene Climate Optimum. Earth and Planetary Science Letters 599, 117857,
doi.org/10.1016/j.epsl.2022.117857
26. Reolid, M., Ruebsam, W., Benton, M.J., 2022. Impact of the Jenkyns Event (early Toarcian OAE) on dinosaurs: comparison with the Triassic/Jurassic transition.
Earth-Science Reviews 234, 104196, doi.org/10.1016/j.earscirev.2022.104196
25. Ruebsam, W., Mattioli, E., Schwark, L., 2022. Weakening of the biological pump induced by a biocalcification crisis during the early Toarcian oceanic anoxic
event. Global and Planetary Change 217, 103954, doi.org/10.1016/j.gloplacha.2022.103954
24. Ruebsam, W., Mattioli, E., Schwark, L., 2022. Molecular fossils and calcareous nannofossils reveal recurrent phytoplanktonic events in the early Toarcian.
Global and Planetary Change 212,103812, doi.org/10.1016/j.gloplacha.2022.103812
23. Baghli, H., Mattioli, E., Spangenberg, J.E., Ruebsam, W., Schwark, L., Bensalah, M., Sebane, A., Pittet, B., Pellenard, P., Suan, G., 2022. Stratification versus productivity as a trigger of environmental changes in the NW Algeria during the early Toarcian. Palaeogeography, Palaeoclimatology, Palaeoecology 591,
110864, doi.org/10.1016/j.palaeo.2022.110864
22. Ruebsam, W., Reolid, M., Mattioli, E., Schwark, L., 2022. Organic carbon accumulation at the northern Gondwana paleo-margin (Tunisia) during the Toarcian Oceanic Anoxic Event: Sedimentological and geochemical evidence. Palaeogeography, Palaeoclimatology, Palaeoecology 586, 110781, doi.org/10.1016/j.palaeo.2021.110781
2021
21.
Ruebsam, W., Al-Husseini, M., 2021. Orbitally synchronized late Pliensbachian–early Toarcian carbon-isotope and glacio-eustatic cycles. Palaeogeography,
Palaeoclimatology, Palaeoecology 577, 110562. doi.org/10.1016/j.palaeo.2021.110562
20. Reolid, M., Mattioli, E., Duarte, L.V., Ruebsam, W., 2021. The early Toarcian Oceanic Anoxic Event: Where do we stand? In: Reolid, M., Mattioli, E., Duarte, L.V.,
Ruebsam, W. (Eds.), Carbon Cycle and Ecosystem Response to the Jenkyns Event in the Early Toarcian (Jurassic). GSL Special Publications 514,
doi.org/10.1144/SP514-2021-74
19. Reolid, M., Soussi, M., Reolid, J., Ruebsam, W., Taher, I.B., Mattioli, E., Saidi, M., Schwark, L., 2021. The onset of the Early Toarcian flooding over the
Pliensbachian shallow carbonate platform in the North-South Axis (Tunisia): interpretation from trace fossil analysis and geochemistry. In: Reolid, M., Mattioli,
E., Duarte, L.V., Ruebsam, W. (Eds.), Carbon Cycle and Ecosystem Response to the Jenkyns Event in the Early Toarcian (Jurassic). GSL Special Publications 514,
doi.org/10.1144/SP514-2021-10
18. Silva, R., Ruhl, M., Barry, C., Reolid, M., Ruebsam, W., 2021. Pacing of Late Pliensbachian and Early Toarcian carbon cycle perturbations and environmental
change in the westernmost Tethys (La Cerradura section, Subbetic Zone of the Betic Cordillera, Spain). In: Reolid, M., Mattioli, E., Duarte, L.V., Ruebsam, W.
(Eds.), Carbon Cycle and Ecosystem Response to the Jenkyns Event in the Early Toarcian (Jurassic). GSL Special Publications 514,
doi.org/10.1144/SP514-2021-27
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Ruebsam, W., Schwark, L., 2021. Impact of north-hemispherical cryosphere on early Toarcian climate and environmental perturbation. In: Reolid, M., Mattioli,
E., Duarte, L.V., Ruebsam, W. (Eds.), Carbon Cycle and Ecosystem Response to the Jenkyns Event in the Early Toarcian (Jurassic). GSL Special Publications 514,
doi.org/10.1144/SP514-2021-11
2020
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Ruebsam, W., Reolid, M., Sabatino, N., Masetti, D., Schwark, L., 2020. Molecular paleothermometry of early Toarcian climate perturbation. Global and
Planetary Change 195, 103351. doi: 10.1016/j.gloplacha.2020.103351
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Ruebsam, W., Thibault, N., Al-Husseini, M., 2020. Early Toarcian glacio-eustatic unconformities and chemostratigraphic black holes. In: Montenari, M. (Ed.),
Stratigraphy & Timescales, Volume 5, Case Studies in Isotope Stratigraphy, p. 629-676. doi: 10.1016/bs.sats.2020.08.006
14. Al-Husseini, M., Ruebsam, W., 2020. Interpreting Phanerozoic δ13C patterns as periodic
glacio-eustatic sequences. In: Montenari, M. (Ed.), Stratigraphy &
Timescales, Volume 5, Case Studies in Isotope Stratigraphy, p. 41-106. doi: 10.1016/bs.sats.2020.08.005
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Ruebsam, W., Pienkowski, G., Schwark, L., 2020. Toarcian climate and carbon cycle perturbations - its impact on sea-level changes, enhanced mobilization
and oxidation of fossil organic matter. Earth and Planetary Science Letters 546, 116417. doi: 10.1016/j.epsl.2020.116417
12.
Ruebsam, W., Reolid, M., Marok, A., Schwark, L., 2020. Drivers of benthic extinction during the early Toarcian (Early Jurassic) at the northern Gondwana
paleomargin: implications for paleoceanographic conditions. Earth Science Reviews 203, 103117. doi: 10.1016/j.earscirev.2020.103117
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Ruebsam, W., Al-Husseini, M., 2020. Calibrating the Early Toarcian (Early Jurassic) with stratigraphic black holes (SBH). Gondwana Research 82, 317–336.
doi: 10.1016/j.gr.2020.01.011
10. Plet, C., Grice, K., Scarlett, A., Ruebsam, W., Schwark, L., 2020. Aromatic hydrocarbons provide new insight into carbonate concretion formation and the
impact of eogenesis on organic matter. Organic Geochemistry 143, 103961. doi: 10.1016/j.orggeochem.2019.103961
9. Ruebsam, W., Reolid, M., Schwark, L., 2020. δ13C of terrestrial vegetation records Toarcian CO2 and climate gradients. Nature Scientific Reports 10, 117.
doi: 10.1038/s41598-019-56710-6
-2019
8. Ruebsam, W., Mayer, B, Schwark, L., 2019. Cryosphere carbon dynamics control early Toarcian global warming and sea level evolution. Global and Planetary
Change 172, 440-453. doi: 10.1016/j.gloplacha.2018.11.003
7. Ruebsam, W., Müller, T., Kovács, J., Pálfy, J., Schwark, L., 2018. Environmental response to the early Toarcian carbon cycle and climate perturbations in the
northeastern part of the West-Tethys shelf. Gondwana Research 59, 144-158. doi: 10.1016/j.gr.2018.03.013
6. Plet, C., Grice, K., Pages, A., Verrall, M., Coolen, M.J.L., Ruebsam, W., Schwark, L., 2017. Jurassic World: Soft tissue, molecular, and cellular palaeobiology of an
ichthyosaur. Nature Scientific Reports 7, 13776. doi: 10.1038/s41598-017-13873-4
5. Kars, M., Musgrave, R.J., Kodama, K., Jonas, A.J., Bordiga, M., Ruebsam, W., Bauersachs, T., 2017. Impact of climate change on the magnetic mineral
assemblage in marine sediments from Izu rear arc, NW Pacific Ocean, over the last 1 Ma. Palaeogeography, Palaeoclimatology, Palaeoecology 480, 53 – 69.
doi: 10.1016/j.palaeo.2017.05.016
4. Ruebsam, W., Dickson, A.J., Hoyer, E.M., Schwark, L., 2017. Multiproxy reconstruction of oceanographic conditions in the southern epeiric Kupferschiefer Sea (Late Permian) based on redox-sensitive trace elements, molybdenum isotopes and biomarkers. Gondwana Research 44, 205 – 218.
doi: 10.1016/j.gr.2016.10.017
3. Plet, C., Grice, K., Pagès, A., Ruebsam, W., Coolen, M.J.L., Schwark, L., 2016. Microbially-mediated fossil-bearing carbonate concretions and their significance
for palaeoenvironmental reconstructions: A multi-proxy organic and inorganic geochemical appraisal. Chemical Geology 426, 95 – 108.
doi: 10.1016/j.chemgeo.2016.01.026
2. Ruebsam, W., Münzberger, P., Schwark, L., 2015. Reply to the comment by Boulia & Hinnov towards: "Chronology of the Early Toarcian environmental crisis in the Lorraine Sub-Basin (NE Paris Basin)". Earth and Planetary Science Letters 416, 147 – 150. doi: 10.1016/j.epsl.2015.02.022
1. Ruebsam, W., Münzberger, P., Schwark, L., 2014. Chronology of the Early Toarcian environmental crisis in the Lorraine Sub-Basin (NE Paris Basin). Earth and Planetary Science Letters 404, 273 – 282. doi: 10.1016/j.epsl.2014.08.005