* = Student, ** = Middlebury undergraduate
In Progress
Jacobel, A.W., Costa, K., Lynch-Stieglitz, J., and Marchitto, T. Deep Pacific Carbonate Chemistry over the Last Glacial Cycle. In prep for Quaternary Science Reviews.
*S. Conde, K. M. Costa, A. V. Subhas, and A.W. Jacobel. Microfossil Abundances Constrain CaCO₃ Dissolution in the Equatorial Pacific at the Last Glacial Maximum and Late Holocene. In prep for Paleoceanography and Paleoclimatology.
Publications
[24] Jacobel, A.W., *Pallone, C., Costa, K., Anderson, R.F. and McManus, J.F. Orbital Influences on Deep Ocean Oxygen Concentrations and Respired Carbon Storage. 2025. Accepted to Global Biogeochemical Cycles.
[23] Jacobel, A.W., Costa, K., **Applebaum, L., and *Conde, S. New Controls on Sedimentation and Climate in the Central Equatorial Pacific. Geochronology, 7, 123–138, (2025). doi: 10.5194/gchron-7-123-2025
[22] *Pallone, C.T., McManus, J.F., and Jacobel, A.W. Eastern Equatorial Pacific Paleo-Productivity and Carbon Cycling During the Late Pleistocene. Earth and Planetary Science Letters 656, 119255 (2025). doi:10.1016/j.epsl.2025.119255
[21] Hoogakker, B., Davis, C., Wang, Y., Kusch, S., Nilsson-Kerr, K., Hardisty, D., Jacobel, A., et al. Review and syntheses: Review of proxies for low-oxygen paleoceanographic reconstructions. Biogeosciences 22, 863–957, (2025). doi: 10.5194/bg-22-863-2025 (pdf)
[20] Thirumalai, K., DiNezio, P., Okumura, Y., Partin, J., Liu, Z., Costa, K., and Jacobel, A. Future increase in risk of extreme El Niño supported by past glacial changes. Nature 634, 374-380, (2024). doi: 10.1038/s41586-024-07984-y
[19] Costa, K., Nielsen, S.G., Wang, Y., Lu, W., Hines, S., Jacobel, A.W., and Oppo, D.W. Marine sedimentary uranium to barium ratios as a potential quantitative proxy for Pleistocene bottom water oxygen concentrations. In press at Geochimica et Cosmochimica Acta (343), 1-16, (2023). doi: 10.1016/j.gca.2022.12.022 (pdf)
[18] **Pucker, I.R., McCauley, M., Fox, K., and Jacobel, A.W. Residents of Hawai’i’s Decisions to Remain or Migrate. Ecopsychology, j.gca.2022.12.022 (2021). doi: 10.1089/eco.2022.0027
[17] *Zhou, Y., McManus, J., Jacobel, A.W., Costa, K., Wang, S., and *Alvarez Caraveo, B. Enhanced iceberg discharge in the western North Atlantic during all Heinrich events of the last glaciation. Earth and Planetary Science Letters, 564 (2021). doi: 10.1016/j.epsl.2021.116910 (pdf)
[16] Hayes et al., Global Ocean Sediment Composition and Burial Flux in the Deep Sea. Global Biogeochemical Cycles, 35, e2020GB006769 (2021). doi: 10.1029/2020GB006769 (open access)
[15] Jacobel, A.W., Anderson, R.F., Jaccard, S., McManus, J.F., *Pavia, F., and Winckler, G. Deep Pacific Storage of Respired Carbon during the Last Ice Age: Perspectives from bottom water oxygen reconstructions. Quaternary Science Reviews, 230 (2020). doi 10.1016/j.quascirev.2019.106065 (pdf)
[14] Costa, K.M., Hayes, C.M., Anderson, R.F., *Pavia, F.J., Bausch, A., Deng, F., Dutay, J., Geibert, W., Heinze, C., Henderson, G., Hillaire-Marcel, C., Hoffmann, S., Jaccard, S.L., Jacobel, A.W., et al. Global Synthesis of 230Th Normalization: New insights on an essential tool for quantifying sedimentary fluxes in the modern and Quaternary ocean. Paleoceanography and Paleoclimatology, 35 (2020). doi: 10.1029/2019PA003820
[13] Jacobel, A.W., Anderson, R.F., Hoogakker, B.A., Jaccard, S. Ice Age Storage of Respired Carbon in the Pacific Ocean. Past Global Changes Magazine 27(2), 52-53 (2019). doi: 10.22498/pages.27.2.52 (pdf)
[12] Jacobel, A.W., Anderson, R.F., Winckler, G., Costa, K.M., Gottschalk, J., Middleton, J.L., Pavia, F.J., Shoenfelt, E.M. and Zhou, Y. No evidence for equatorial Pacific dust fertilisation. Nature Geoscience, 3 (2019). doi: 10.1038/s41561-019-0304-z (pdf)
[11] Reimi, M.A., Marcantonio, F., Lynch-Stieglitz, J., Jacobel, A.W., McManus, J.F. and Winckler, G. The Penultimate Glacial Termination and Variability of the Pacific Intertropical Convergence Zone. Geophysical Research Letters, 46 (2019). doi: 10.1029/2018GL081403 (pdf)
[10] Hendry, K., Huvenne, V., Robinson, L., Annett, A., Badger, M., Jacobel, A.W. et al. The biogeochemical impact of glacial meltwater from Southwest Greenland. Progress in Oceanography, 176 (2019). doi: 10.1016/j.pocean.2019.102126 (pdf)
[9] Ng, H.C., Robinson, L., McManus, J.F., Ivanovich, R.F., Gregoire, L.J., Falcon, K.M., Jacobel, A.W., Henry, L.G. and Chen, T. Coherent deglacial changes in deep Atlantic Ocean circulation. Nature Communications, 9 (2018). doi: 10.1038/s41467-018-05312-3 (pdf)
[8] Jacobel, A.W., McManus, J.F., Anderson R.F. and Winckler, G. Repeated storage of respired carbon in the equatorial Pacific Ocean over the last three glacial cycles. Nature Communications, 8 (2017). doi: 10.1038/s41467-017-01938-x (pdf)
News piece motivating our work by Medill journalism student Tiffany Chen
[7] Jacobel, A.W., McManus, J.F., Anderson R.F. and Winckler, G. Climate-related response of dust flux to the central equatorial Pacific over the past 150 kyr. Earth and Planetary Science Letters, 457 (2017). doi: 10.1016/j.epsl.2016.09.042 (pdf)
[6] Costa, K.M., Jacobel, A.W., McManus, J.F., Anderson, R.F., Winckler G., and Thiagarajan, N. Deglacial patterns of surface productivity in the Equatorial Pacific. Global Biogeochemical Cycles 31, 850–865 (2017). doi: 10.1002/2016GB005579 (pdf)
[5[ Capron, E., Vzquez, R., He, F., Jacobel, A.W., and Zhang, X. Spatial pattern and temporal evolution of glacial terminations over the last 800 ka. Past Global Changes Magazine 25(2), 118 (2017). doi: 10.22498/pages.25.2.118 (pdf)
[4] Hillaire-Marcel, C., de Vernal, A., Polyak, L., Stein, R., Maccali, J., Jacobel, A., and Cuny., K. A New Chronology of Late Quaternary Sequences From the Central Arctic Ocean Based on “Extinction Ages” of Their Excesses in 231Pa and 230Th. Geochemistry, Geophysics, Geosystems, (18), (12)(2017). doi: 10.1002/2017GC007050 (pdf)
[3] Jacobel, A.W., McManus, J.F., Anderson R.F. and Winckler, G. Large Deglacial Shifts of the Pacific Intertropical Convergence Zone. Nature Communications, 7 (2016). doi:10.1038/ncomms10449 (pdf)
Press release by Lamont's Stacy Morford
[2] Lyle, M., Pockalny, R., Polissar, P., Lynch-Stieglitz, J., Bova, S., Ford, H., Hertzberg, J., Hovan, S., Jacobel, A.W., et al. Dynamic carbonate sedimentation on the Northern Line Islands Ridge, Palmyra Basin. Marine Geology, 379 (2016). doi: 10.1016/j.margeo.2016.06.005 (pdf)
[1] Lynch-Stieglitz, J., Polissar, P.J., Jacobel, A.W., et al., Glacial-Interglacial Changes in Central Tropical Pacific Surface Seawater Property Gradients. Paleoceanography, 30 (2015). doi:10.1002/2014PA002746 (pdf)
** Indicates Middlebury undergraduate author