photo credit: Hal Love
* denotes student author
Liu, Z., Bao, Y., Thompson, L.G., Mosley-Thompson, E., Tabor, C., Zhang, G.J., Yan, M., Lofverstrom, M., Montanez, I., Oster, J.L. (2023) Tropical mountain ice core d18O: A Goldilocks indicator for global temperature change. Science Advances, 9, eadi6725.
*de Wet, C.B., Ibarra, D.E., *Belanger, B.K., Oster, J.L. (2023) North American hydroclimate during past warms states: A proxy compilation-model comparison for the Last Interglacial and the mid-Holocene. Paleoceanography and Paleoclimatology, 38, e2022PA004528, https://doi.org/10.1029/2022PA004528.
Oster, J.L., *Ronay, E.R., Sharp, W.D., Breitenbach, S.F.M. (2023) Controls on speleothem initial 234U/238U ratios in a monsoon climate. Geochemistry, Geophysics, Geosystems 24, e2023GC010899, https://doi.org/10.1029/2023GC010899.
*Homann, J., Oster, J.L., *de Wet, C.B., Breitenbach, S.F.M., Hoffmann, T. (2022) Linked fire activity and climate whiplash in California during the early Holocene. Nature Communications 13:7175, https://doi.org/10.1038/s41467-022-34950-x.
Kwiecien, O. et al., (21 authors including Oster) (2022) What we talk about when we talk about seasonality – A transdisciplinary review. Earth Systems Reviews 225, 103843.
Tabor, C., Lofverstrom, M., Oster, J.L., Wortham, B.E., *de Wet, C., Montañez, I.P., Rhoades, A., Zarxycki, C., He, C., Liu, Z. (2021) A mechanistic understanding of oxygen isotope changes in the western United States at the Last Glacial Maximum. Quaternary Science Reviews 274, 107255.
Oster, J.L., Covey*, A.K., Lawrence, C., Giannetta, M.G., Druhan, J.L. (2021) A reactive transport approach to modeling cave seepage water chemistry II: elemental signatures. Geochimica et Cosmochimica Acta https://doi.org/10.1016/j.gca.2021.06.040.
Druhan, J.L., Lawrence, C., Covey*, A.K., Giannetta, M.G., Oster, J.L. (2021) A reactive transport approach to modeling cave seepage water chemistry I: carbon isotope transformations. Geochimica et Cosmochimica Acta https://doi.org/10.1016/j.gca.2021.06.041.
de Wet*, C.B., Erhardt, A.M., Sharp, W.D., Marks, N.E., Bradbury, H.J., Turchyn, A.V., Xu*, Y., Oster, J.L. (2021) Semi-quantitative estimates of rainfall variability during the 8.2 kyr event in California using speleothem calcium isotope records. Geophysical Research Letters, https://doi.org/10.1029/2020GL089154
Oster, J.L., Weisman*, I.E., Sharp, W.D., 2020, Multi-proxy stalagmite records from northern California reveal dynamic patterns of regional hydroclimate over the last glacial cycle. Quaternary Science Reviews, 241, 106411. https://doi.org/10.1016/j.quascirev.2020.106411.
Comas-Bru, L. et al. (34 authors, including Oster) Sisalv2: A comprehensive speleothem isotope database with multiple age-depth models. doi:10.5194/essd-2020-39 (preprint).
Fohlmeister, J., Voarintsoa, N.R.G., Lechleitner, F.A., Boyd, M., Brandstatter, S., Jacobson, M.J., Oster, J.L., 2020, Main controls on the stable carbon isotope composition of speleothems. Geochimica et Cosmochimica Acta, 279, 67-87, https://doi.org/10.1016/j.gca.2020.03.042.
Ronay*, E.R., Breitenbach, S.F.M., Oster, J.L., 2019, Sensitivity of speleothem records in the Indian Summer Monsoon region to dry season infiltration. Scientific Reports, 9:5091, doi.org/10.1038/s41598-019-41630-2
Oster, J.L., Warken, S.F., Sekhon, N., Arienzo, M.M., Lachniet, M., 2019. Speleothem paleoclimatology for the Caribbean, Central America, and North America. Quaternary, 2, 5, doi:10.3390/quat2010005.
Oster, J.L., Ibarra, D.E., 2019, Glacial hydroclimate of western North America: Insights from proxy-model comparison and implications for Lake Bonneville. Proceedings Volume: 2018 Lake Bonneville Geologic Conference and Short Course, Lund, W.R., McKean, A.P., Bowman, S.D (eds) Utah Geological Survey Miscellaneous Publication 170.
Ibarra, D.E., Oster, J.L., Winnick, M.J., Caves Rugenstein, J., Byrne, M.P., Chamberlain, C.P., 2018. Warm and cold wet states in the western United States during the Plio-Pleistocene. Geology, 46, 355-358.
Hermann*, N.W., Oster, J.L., Ibarra, D.E., 2018. Spatial patterns and driving mechanisms of mid-Holocene hydroclimate in western North America. Journal of Quaternary Science, 33, 421-434.
Weber, M., Wassenburg, J.A., Jochum, K.P., Breitenbach, S.F.M., Oster, J.L., Scholz, D., 2017. Sr-isotope analysis of speleothems by LA-MC-ICP-MS: High temporal resolution and fast data acquisition. Chemical Geology, 468, 63-74.
Oster, J.L., Sharp, W.D., Covey*, A.K., Gibson* J. Rogers, B., Mix, H., 2017. Climate response to the 8.2 ka event in coastal California. Scientific Reports, 7:3886, doi:10.1038/s41598-017-04215-5.
Liu, Y., Oster, J.L., Druhan, J.L., 2017. The hydrologic record of karst systems: linking soil moisture to the carbon isotope signatures of soils above the Blue Spring cave system. Acta Geochimica 36, 392-395.
Oster, J.L., Kitajima, K., Valley, J.W., Rogers, B.W., Maher, K., 2017. An evaluation of paired d18O and (234U/238U)0 in opal as a tool for paleoclimate reconstruction in semi-arid environments. Chemical Geology, 449, 236-252.
Oster, J.L., Kelley, N.P., 2016. Tracking regional and global teleconnections recorded by western North American speleothem records. Invited. Quaternary Science Reviews, 149, 18-33.
Wassenburg, J.A., Scholz, D., Jochum, K.P., Cheng, H., Oster, J.L., Immenhauser, A., Richter, D.K., Häger, T., Jamieson, R.A., Baldini, J.U.L., Hoffmann, D., Breitenbach, S.F.M., 2016. Determination of aragonite trace element distribution coefficients from speleothem calcite-aragonite transitions. Geochimica et Cosmochimica Acta, 190, 347-367.
Wong, C.I., Potter, G.L., Montanez, I.P., Otto-Bliesner, B.L., Behling, P., Oster, J.L., 2016. Evolution of moisture transport to the western U.S. during the last deglaciation. Geophysical Research Letters, v. 43, doi:10.1002/2016GL068389.
Oerter, E.J., Sharp, W.D., Oster, J.L., Ebeling, A., Valley, J.W., Kozdon, R., Orland, I.J., Hellstrom, J., Woodhead, J.D., Hergt, J.M., Chadwick, O.A., Amundson, R., 2016. Pedothem carbonates reveal anomalous North American atmospheric circulation 70,000-55,000 years ago. PNAS doi:10.1073/pnas.1515478113.
Oster, J.L., Montanez, I.P., Santare*, L.R., Sharp, W.D., Wong, C., Cooper, K.M., 2015. Stalagmite records of hydroclimate in central California during termination 1. Quaternary Science Reviews, 127, 199-214. http://www.sciencedirect.com/science/article/pii/S0277379115300627
Myers*, C.G., Oster, J.L., Sharp, W.D., Bennartz, R., Kelley, N.P., Covey*, A.K., Breitenbach, S.F.M. 2015. Northeast Indian stalagmite records Pacific decadal climate change: Implications for moisture transport and drought in India. Geophysical Research Letters, v. 42, doi:10.1002/2015GL063826.
Oster, J.L., Ibarra, D.E., Winnick, M.J., Maher, K. 2015. Steering of westerly storms over western North America at the Last Glacial Maximum. Nature Geoscience, v. 8, p. 201-205, doi:10.1038/ngeo2365.
Oster, J.L. Montanez, I.P., Mertz-Kraus, R., Sharp., W.D., Stock, G.M., Spero, H.J., Tinsley, J., and Zachos, J.C. 2014. Millennial-scale variations in western Sierra Nevada precipitation during the last glacial cycle MIS 4/3 transition. Quaternary Research, v. 82, p. 236- 248.
Maher, K., Ibarra, D.E., Oster, J.L., Miller, D.M., Redwine, J.L., Reheis, M.C., and Harden, J.W. 2014. Uranium isotopes in soils as a proxy for past infiltration and precipitation across the western United States,American Journal of Science, v. 314, p. 821-857.
Oster, J.L., Montanez, I.P., and Kelley, N.P., 2012. Response of a modern cave system to large seasonal precipitation variability. Geochimica et Cosmochimica Acta, v. 91, p. 92 – 108. doi:10.1016/j.gca.2012.05.027
Oster, J.L., Ibarra, D.L., Harris, C.H., and Maher, K. 2012. Influence of eolian deposition and rainfall amounts on the U-isotopic composition of soil water and soil minerals. Geochimica et Cosmochimica Acta, v. 88, p. 146 – 166. doi.org/10.1016/j.gca.2012.04.004
Oster, J.L., Montanez, I.P., Guilderson, T.P., Sharp, W.D. and Banner, J.L. 2010. Modeling speleothem δ13C variability in a central Sierra Nevada cave using 14C and 87Sr/86Sr, Geochimica et Cosmochimica Acta, v. 74, p. 5228 – 5242. doi:10.1016/j.gca.2010.06.030
Oster, J.L., Montanez, I.P., Sharp, W.D. and Cooper, K.M. 2009. Late Pleistocene California drought during deglaciation and Arctic Warming: Earth and Planetary Science Letters, v. 288, p. 434 – 443.doi:10.1016/j.epsl.2009.10.003