References
- Alexanderson, H., J. Backman, T. M. Cronin, S. Funder, L. Ingólfsson, M. Jakobsson, J. Y. Landvik, L. Löwemark, J. Mangerud, C. März, et al. 2014. An Arctic perspective on dating Mid-Late Pleistocene environmental history. Quaternary Science Reviews 92:9–31.
- Backman, J., M. Jakobsson, R. Løvlie, L. Polyak, and L. A. Febo. 2004. Is the central Arctic Ocean a sediment starved basin? Quaternary Science Reviews 23 (11–13):1435–54. doi:https://doi.org/10.1016/j.quascirev.2003.12.005.
- Carstens, J., D. Hebbeln, and G. Wefer. 1997. Distribution of planktic foraminifera at the ice margin in the Arctic (Fram Strait). Marine Micropaleontology 29 (3–4):257–69. doi:https://doi.org/10.1016/S0377-8398(96)00014-X.
- Channell, J. E. T., B. S. Singer, and B. R. Jicha. 2020. Timing of Quaternary geomagnetic reversals and excursions in volcanic and sedimentary archives. Quaternary Science Reviews 228:106114. doi:https://doi.org/10.1016/j.quascirev.2019.1061140.
- Cronin, T. M., K. J. Keller, J. R. Farmer, M. F. Schaller, M. O’Regan, R. Poirier, H. Coxall, G. S. Dwyer, H. Bauch, I. G. Kindstedt, et al. 2019. Interglacial Paleoclimate in the Arctic. Paleoceanography and Paleoclimatology 34 (12):1959–79. doi:https://doi.org/10.1029/2019PA003708.
- Cronin, T. M., L. H. DeNinno, L. Polyak, E. K. Caverly, R. Z. Poore, A. Brenner, J. Rodriguez-Lazaro, and R. E. Marzen. 2014. Quaternary ostracode and foraminiferal biostratigraphy and paleoceanography in the western Arctic Ocean. Marine Micropaleontology 111:118–33. doi:https://doi.org/10.1016/j.marmicro.2014.05.001.
- Cronin, T. M., L. Polyak, D. Reed, E. S. Kandiano, R. E. Marzen, and E. A. Council. 2013. A 600-ka Arctic sea-ice record from Mendeleev Ridge based on ostracodes. Quaternary Science Reviews 79:157–67. doi:https://doi.org/10.1016/j.quascirev.2012.12.010.
- De Vernal, A., C. Hillaire-Marcel, C. Le Duc, P. Roberge, C. Brice, J. Matthiessen, R. F. Spielhagen, and R. Stein. 2020. Natural variability of the Arctic Ocean sea ice during the present interglacial. Proceedings of the National Academy of Sciences 117 (42):26069–26075. doi:https://doi.org/10.1073/pnas.2008996117.
- Eynaud, F., T. M. Cronin, S. A. Smith, S. Zaragosi, J. Mavel, Y. Mary, V. Mas, and C. Pujol. 2009. Morphological variability of the planktonic foraminifer Neogloboquadrina pachyderma from ACEX cores: Implications for Late Pleistocene circulation in the Arctic Ocean. Micropaleontology 55:101–16.
- Eynaud, F. 2011. Planktonic foraminifera in the Arctic: Potentials and issues regarding modern and quaternary populations. IOP Conference Series: Earth and Environmental Science 14:012005. doi:https://doi.org/10.1088/1755-1315/14/1/012005.
- Ford, H. L., and T. B. Chalk. 2020. The Mid-Pleistocene Enigma. Oceanography 33 (2):101–03. doi:https://doi.org/10.5670/oceanog.2020.216.
- Head, M. J., and P. L. Gibbard. 2015. Early-Middle Pleistocene transitions: Linking terrestrial and marine realms. Quaternary International 389:7–46.
- Hemleben, C., D. Mühlen, R. K. Olsson, and W. A. Berggren. 1991. Surface texture and the first occurrence of spines in planktonic foraminifera from the early Tertiary. Geologisches Jahrbuch 128 (A):117–46.
- Hemleben, C., R. K. Olsson, V. Premek Fucek, and M. Hernitz Kucenjak. 2018. Wall textures of Oligocene normal perforate planktonic foraminifera. In Atlas of Oligocene Planktonic Foraminifera, 55–78. McLean, VA: GeoScienceWorld. https://www.ucl.ac.uk/earth-sciences/sites/earth_sciences/files/Chapter_3.pdf.
- Herman, Y. 1974. Marine geology and oceanography of the Arctic seas. New York: Springer.
- Herman, Y. 1980. Globigerina exumbilicata Herman, 1974, a Synonym of G. quinqueloba egelida Cifelli and Smith, 1970. Journal of Paleontology 54 (3):631.
- Ishman, S. E., L. V. Polyak, and R. Z. Poore. 1996. Expanded record of Quaternary oceanographic change: Amerasian Arctic Ocean. Geology 24 (2):139–42. doi:https://doi.org/10.1130/0091-7613(1996)024<0139:EROQOC>2.3.CO;2.
- Jakobsson, M., J. Backman, A. Murray, and R. Løvlie. 2003. Optically stimulated luminescence dating supports central Arctic ocean cm-scale sedimentation rates. Geochemistry, Geophysics, Geosystems 4 (2):1–11. doi:https://doi.org/10.1029/2002GC000423.
- Jakobsson, M., L. Mayer, B. Coakley, J. A. Dowdeswell, S. Forbes, B. Fridman, H. Hodnesdal, R. Noormets, R. Pedersen, M. Rebesco, et al. 2012. The International Bathymetric Chart of the Arctic Ocean (IBCAO) version 3.0. Geophysical Research Letters 39 (12). doi: https://doi.org/10.1029/2012GL052219.
- Jakobsson, M., R. Løvlie, E. M. Arnold, J. Backman, L. Polyak, J. O. Knutsen, and E. Musatov. 2001. Pleistocene stratigraphy and paleoenvironmental variation from Lomonosov Ridge sediments, central Arctic Ocean. Global and Planetary Change 31 (1–4):1–22. doi:https://doi.org/10.1016/S0921-8181(01)00110-2.
- Jakobsson, M., R. Løvlie, H. Al-Hanbali, E. Arnold, J. Backman, and M. Mörth. 2000. Manganese and color cycles in Arctic Ocean sediments constrain Pleistocene chronology. Geology 28 (1):23. doi:https://doi.org/10.1130/0091-7613(2000)28<23:MACCIA>2.0.CO;2.
- Lazar, K. B., and L. Polyak. 2016. Pleistocene benthic foraminifers in the Arctic Ocean: Implications for sea-ice and circulation history. Marine Micropaleontology 126:19–30. doi:https://doi.org/10.1016/j.marmicro.2016.04.004.
- Lisiecki, L. E., and M. E. Raymo. 2005. A Pliocene-Pleistocene stack of 57 globally distributed benthic δ 18O records. Paleoceanography 20:1–17.
- Löwemark, L., M. O’Regan, T. J. J. Hanebuth, and M. Jakobsson. 2012. Late Quaternary spatial and temporal variability in Arctic deep-sea bioturbation and its relation to Mn cycles. Palaeogeography, Palaeoclimatology, Palaeoecology 365-366:192–208. doi:https://doi.org/10.1016/j.palaeo.2012.09.028.
- Marzen, R. E., L. H. DeNinno, and T. M. Cronin. 2016. Calcareous microfossil-based orbital cyclostratigraphy in the Arctic Ocean. Quaternary Science Reviews 149:109–21. doi:https://doi.org/10.1016/j.quascirev.2016.07.004.
- Nørgaard-Pedersen, N., N. Mikkelsen, S. J. Lassen, Y. Kristoffersen, and E. Sheldon. 2007. Reduced sea ice concentrations in the Arctic Ocean during the last interglacial period revealed by sediment cores off northern Greenland. Paleoceanography 22 (1). doi: https://doi.org/10.1029/2006PA001283.
- Nørgaard-Pedersen, N., N. Mikkelsen, and Y. Kristoffersen. 2007. Arctic Ocean record of last two glacial-interglacial cycles off North Greenland/Ellesmere Island - Implications for glacial history. Marine Geology 244 (1–4):93–108. doi:https://doi.org/10.1016/j.margeo.2007.06.008.
- O’Regan, M., H. K. Coxall, T. M. Cronin, R. Gyllencreutz, M. Jakobsson, S. Kaboth, L. Löwemark, S. Wiers, and G. West. 2019. Stratigraphic occurrences of sub-polar planktic foraminifera in Pleistocene sediments on the Lomonosov Ridge, Arctic Ocean. Frontiers in Earth Science 7:1–18. doi:https://doi.org/10.3389/feart.2019.00071.
- O’Regan, M., J. Backman, E. Fornaciari, M. Jakobsson, and G. West. 2020. Calcareous nannofossils anchor chronologies for Arctic Ocean sediments back to 500 ka. Geology 48 (11):1115–19. doi:https://doi.org/10.1130/G47479.1.
- O’Regan, M., J. King, J. Backman, M. Jakobsson, H. Pälike, K. Moran, C. Heil, T. Sakamoto, T. M. Cronin, and R. W. Jordan. 2008. Constraints on the Pleistocene chronology of sediments from the Lomonosov Ridge. Paleoceanography 23 (1). doi: https://doi.org/10.1029/2007PA001551.
- Polyak, L., K. M. Best, K. A. Crawford, E. A. Council, and G. St-Onge. 2013. Quaternary history of sea ice in the western Arctic Ocean based on foraminifera. Quaternary Science Reviews 79:145–56. doi:https://doi.org/10.1016/j.quascirev.2012.12.018.
- Rothwell, R. G., and I. W. Croudace. 2015. Twenty years of XRF core scanning marine sediments: What do geochemical proxies tell us? In Micro-XRF studies of sediment cores, 25–102. Dordrecht: Springer Netherlands.
- Schiebel, R., R. F. Spielhagen, J. Garnier, J. Hagemann, H. Howa, A. Jentzen, A. Martínez-garcia, J. Meilland, E. Michel, J. Repschläger, et al. 2017. Modern planktic foraminifers in the high-latitude ocean. Marine Micropaleontology 136:1–13. doi:https://doi.org/10.1016/j.marmicro.2017.08.004.
- Sellén, E., M. O’Regan, and M. Jakobsson. 2010. Spatial and temporal Arctic Ocean depositional regimes: A key to the evolution of ice drift and current patterns. Quaternary Science Reviews 29 (25–26):3644–64. doi:https://doi.org/10.1016/j.quascirev.2010.06.005.
- Spielhagen, R. F., K. H. Baumann, H. Erlenkeuser, N. R. Nowaczyk, N. Nørgaard-Pedersen, C. Vogt, and D. Weiel. 2004. Arctic Ocean deep-sea record of northern Eurasian ice sheet history. Quaternary Science Reviews 23 (11–13):1455–83. doi:https://doi.org/10.1016/j.quascirev.2003.12.015.
- Stein, R., C. Schubert, C. Vogt, and D. Fütterer. 1994. Stable isotope stratigraphy, sedimentation rates, and salinity changes in the Latest Pleistocene to Holocene eastern central Arctic Ocean. Marine Geology 119 (3–4):333–55. doi:https://doi.org/10.1016/0025-3227(94)90189-9.
- Stein, R., J. Matthiessen, F. Niessen, A. Krylov, N. S. Il, and E. Bazhenova. 2010. Towards a better (litho-) stratigraphy and reconstruction of Quaternary paleoenvironment in the Amerasian basin (Arctic Ocean). Polarforschung 79:97–121.
- Sundby, B., P. Lecroart, P. Anschutz, S. Katsev, and A. Mucci. 2015. When deep diagenesis in Arctic Ocean sediments compromises manganese-based geochronology. Marine Geology 366:62–68. doi:https://doi.org/10.1016/j.margeo.2015.04.005.
- Thierstein, H. R., K. R. Geitzenauer, B. Molfino, and N. J. Shackleton. 1977. Global synchroneity of late Quaternary coccolith datum levels: Validation by oxygen isotopes. Geology 5 (7):400–04. doi:https://doi.org/10.1130/0091-7613(1977)5<400:GSOLQC>2.0.CO;2.
- Volkmann, R. 2000. Planktic foraminifers in the outer Laptev Sea and the Fram Strait - Modern distribution and ecology. The Journal of Foraminiferal Research 30 (3):157–76. doi:https://doi.org/10.2113/0300157.
- Wang, R., L. Polyak, W. Xiao, L. Wu, T. Zhang, Y. Sun, and X. Xu. 2018. Late-Middle Quaternary lithostratigraphy and sedimentation patterns on the Alpha Ridge, central Arctic Ocean: Implications for Arctic climate variability on orbital time scales. Quaternary Science Reviews 181:93–108. doi:https://doi.org/10.1016/j.quascirev.2017.12.006.
- Wiers, S., I. Snowball, M. O’Regan, and B. Almqvist. 2019. Late pleistocene chronology of sediments from the Yermak Plateau and uncertainty in dating based on geomagnetic excursions. Geochemistry, Geophysics, Geosystems 20 (7):3289–310. doi:https://doi.org/10.1029/2018GC007920.
- Xiao, W., L. Polyak, R. Wang, L. Löwemark, J. Mei, D. You, W. Wang, L. Wu, and X. Jin. 2020. Middle to Late Pleistocene Arctic paleoceanographic changes based on sedimentary records from Mendeleev Ridge and Makarov Basin. Quaternary Science Reviews 228:106105. doi:https://doi.org/10.1016/j.quascirev.2019.106105.
- Xuan, C., J. E. T. Channell, L. Polyak, and D. A. Darby. 2012. Paleomagnetism of Quaternary sediments from Lomonosov Ridge and Yermak Plateau: Implications for age models in the Arctic Ocean. Quaternary Science Reviews 32:48–63. doi:https://doi.org/10.1016/j.quascirev.2011.11.015.
- Ye, L., C. März, L. Polyak, X. Yu, and W. Zhang. 2019. Dynamics of manganese and cerium enrichments in Arctic Ocean sediments: A case study from the Alpha Ridge. Frontiers in Earth Science 6:1–18. doi:https://doi.org/10.3389/feart.2018.00236.