Climate & Earth Surface Geochemistry Group
Lamont-Doherty Earth Observatory
Columbia University
2026
Hu, K., Ferrier, K.L., Aarons, S.M., Norris, E., Blankenship, R., Marcott, S.A., Breunig, R., Ruetenik, G.A., Peters, I., Ceperley, E., Sensitivity of soil chemical erosion rate to climate and dust along a 2.8-km elevation transect at San Jacinto Mountain, California, Journal of Geophysical Research: Earth Surface, 131, e2025JF008862, 2026. https://doi.org/10.1029/2025JF008862
Norris, E., Bailey, J., Ma, Y., Goswami, A., Aarons, S., Benmarhnia, T., Differential health impacts of short-term particulate matter exposure in arid and semi-arid regions: A scoping review, GeoHealth, 10, e2025GH001359, 2026. https://doi.org/10.1029/2025GH001359
Carter, A.J., Aarons, S.M., Schnaubelt, J.C., Tabor, C.R., Higgins, J.A., Shackleton, S.A., Epifanio, J.A., Morgan, J.D., Koornneef, J.M., Davies, G.R., Gabrielli, P., Choi, A., Severinghaus, J.P., Brook, E.J., Introne, D.S., Marks-Peterson, J.C., Sutter, J., Davidge, L., Diminished Ross Ice Shelf and West Antarctic Ice Sheet during Last Interglacial warming, Nature Geoscience, 19(6), 691-698, 2026. https://doi.org/10.1038/s41561-026-01988-1
Sedlak, J.A., Siciliano Rego, E., Aarons, S., Grassian, V.H., Integrating iron isotope and oxidation state measurements with in situ vibrational spectroscopy to understand iron dissolution during atmospheric processing of iron oxides in wildfire smoke, Environmental Science & Technology, 60(13), 10081-10091, 2026. https://doi.org/10.1021/acs.est.5c15449
Shackleton, S., Hishamunda, V., Yan, Y., Carter, A., Morgan, J., Severinghaus, J., Aarons, S., Marks-Peterson, J., Epifanio, J., Buizert, C., Brook, E., Kurbatov, A.V., Bender, M.L., Higgins, J., Global ocean heat content over the past 3 million years, Nature, 651(8106), 653-657, 2026. https://doi.org/10.1038/s41586-026-10116-3
2025
Forsch, K.O., Ruacho, A., Aarons, S.M., Tidewater cycle drives alpine glacial sediment plume geochemistry, Nature Communications, 16, 9211, 2025. https://doi.org/10.1038/s41467-025-64731-1
Shackleton, S., Hishamunda, V., Davidge, L., Marks Peterson, J., Brook, E.J., Carter, A.J., Yan, Y., Morgan, J., Epifanio, J., Neff, P., Aarons, S.M., Kurbatov, A.V., Introne, D.S., Steig, E.J., Schauer, A.J., Buizert, C., Severinghaus, J.P., Bender, M.L., Higgins, J.A., Miocene and Pliocene ice and air from the Allan Hills blue ice area, East Antarctica, Proceedings of the National Academy of Sciences, 122(44), 2025. https://doi.org/10.1073/pnas.2502681122
Norris, E., Aarons, S.M., Hu, K., Ferrier, K.L., Blankenship, R., Goswami, A., Han, J., Disentangling natural and anthropogenic sources of dust deposition to a montane ecosystem at San Jacinto Peak, Southern California, Journal of Geophysical Research: Atmospheres, 130(19), 2025. https://doi.org/10.1029/2025JD043322
2024
Sedlak, J.A., Vishnoi, M., Forsch, K., Bhadha, P., Aarons, S.M., Grassian, V.H., Probing interactions at the organic-inorganic interface of biomass burning aerosol: Reactivity of organic tracer species with different iron oxide mineral phases, ACS Earth and Space Chemistry, 8(12), 2463-2473, 2024. https://doi.org/10.1021/acsearthspacechem.4c00212
Brahney, J., Heindel, R.C., Gill, T.E., Carling, G., González-Olalla, J.M., Hand, J., Mallia, D.V., Munroe, J.S., Perry, K., Putman, A.L., Skiles, S.M., Adams, B.R., Aanderud, Z., Aarons, S., Aguirre, D., Ardon-Dryer, K., Blakowski, M.B., Creamean, J.M., Fernandez, D., Foroutan, H., Gaston, C., Hahnenberger, M., Hoch, S., Jones, D.K., Kelly, K.E., Lang, O.I., LeMonte, J., Reynolds, R., Singh, R.P., Sweeney, M., Merrill, T., Dust in the Critical Zone: North American case studies, Earth-Science Reviews, 258, 104942, 2024. https://doi.org/10.1016/j.earscirev.2024.104942
Huang, L., Aarons, S.M., Koffman, B.G., Cheng, W., Hanschka, L., Munk, L.A., Jenckes, J., Norris, E., Arendt, C.A., Role of source, mineralogy, and organic complexation on lability and Fe isotopic composition of terrestrial Fe sources to the Gulf of Alaska, ACS Earth and Space Chemistry, 8(8), 1505-1518, 2024. https://doi.org/10.1021/acsearthspacechem.3c00338
Prissel, K.B., Krawczynski, M.J., Nie, N.X., Dauphas, N., Aarons, S.M., Heard, A.W., Hu, M.Y., Alp, E.E., Zhao, J., Fractionation of iron and titanium isotopes by ilmenite and the isotopic compositions of lunar magma ocean cumulates, Geochimica et Cosmochimica Acta, 372, 154-170, 2024. https://doi.org/10.1016/j.gca.2024.01.006
Huang, L., Tissot, F.L.H., Ibañez-Mejia, M., Forsch, K., Arendt, C.A., Choy, C.A., Aarons, S.M., High-precision zirconium isotope analysis of Pacific seawater reveals large mass-dependent fractionations in the ocean, Geochimica et Cosmochimica Acta, 365, 202-214, 2024. https://doi.org/10.1016/j.gca.2023.11.018
2023
Zhang, Z.J., Dauphas, N., Johnson, A.C., Aarons, S.M., Bennett, V.C., Nutman, A.P., MacLennan, S., Schoene, B., Titanium and iron isotopic records of granitoid crust production in diverse Archean cratons, Earth and Planetary Science Letters, 620, 118342, 2023. https://doi.org/10.1016/j.epsl.2023.118342
Aarons, S.M., Dauphas, N., Greber, N.D., Roskosz, M., Bouchez, J., Carley, T., Liu, X.-M., Rudnick, R.L., Gaillardet, J., Titanium transport and isotopic fractionation in the Critical Zone, Geochimica et Cosmochimica Acta, 352, 175-193, 2023. https://doi.org/10.1016/j.gca.2023.05.008
2022
Maltz, M.R., Carey, C.J., Freund, H.L., Botthoff, J.K., Hart, S.C., Stajich, J.E., Aarons, S.M., Aciego, S.M., Blakowski, M., Dove, N.C., Barnes, M.E., Pombubpa, N., Aronson, E.L., Landscape topography and regional drought alters dust microbiomes in the Sierra Nevada of California, Frontiers in Microbiology, 13, 856454, 2022. https://doi.org/10.3389/fmicb.2022.856454
2021
Aarons, S.M., Johnson, A.C., Rader, S.T., Forming Earth's continental crust: A non-traditional stable isotope perspective, Elements, 17(6), 413-418, 2021. https://doi.org/10.2138/gselements.17.6.413
Aarons, S.M., Dauphas, N., Blanchard, M., Zeng, H., Nie, N.X., Johnson, A.C., Greber, N.D., Hopp, T., Clues from ab initio calculations on titanium isotopic fractionation in tholeiitic and calc-alkaline magma series, ACS Earth and Space Chemistry, 5(9), 2466-2480, 2021. https://doi.org/10.1021/acsearthspacechem.1c00172
Nie, N.X., Dauphas, N., Alp, E.E., Zeng, H., Sio, C.K., Hu, J.Y., Chen, X., Aarons, S.M., Zhang, Z., Tian, H.-C., Wang, D., Prissel, K.B., Greer, J., Bi, W., Hu, M.Y., Zhao, J., Shahar, A., Roskosz, M., Teng, F.-Z., Krawczynski, M.J., Heck, P.R., Spear, F.S., Iron, magnesium, and titanium isotopic fractionations between garnet, ilmenite, fayalite, biotite, and tourmaline: Results from NRIXS, ab initio, and study of mineral separates from the Moosilauke metapelite, Geochimica et Cosmochimica Acta, 302, 18-45, 2021. https://doi.org/10.1016/j.gca.2021.03.014
Heard, A.W., Aarons, S.M., Hofmann, A., He, X., Ireland, T., Bekker, A., Qin, L., Dauphas, N., Anoxic continental surface weathering conditions in the Mesoarchean Pongola Supergroup, South Africa, Geochimica et Cosmochimica Acta, 295, 1-23, 2021. https://doi.org/10.1016/j.gca.2020.12.005
2020
Aarons, S.M., Reimink, J.R., Greber, N.D., Heard, A.W., Zhang, Z., Dauphas, N., Titanium isotopes constrain a magmatic transition at the Hadean-Archean boundary in the Acasta Gneiss Complex, Science Advances, 6(50), eabc9959, 2020. https://doi.org/10.1126/sciadv.abc9959
2019
Aarons, S.M., Arvin, L.J., Aciego, S.M., Riebe, C.S., Johnson, K.R., Blakowski, M.A., Koornneef, J.M., Hart, S.C., Barnes, M.E., Dove, N., Botthoff, J.K., Maltz, M., Aronson, E.L., Competing droughts affect dust delivery to Sierra Nevada, Aeolian Research, 41, 100545, 2019. https://doi.org/10.1016/j.aeolia.2019.100545
Johnson, A.C., Aarons, S.M., Dauphas, N., Nie, N.X., Zeng, H., Helz, R.T., Romaniello, S.J., Anbar, A.D., Titanium isotopic fractionation in Kilauea Iki lava lake driven by oxide crystallization, Geochimica et Cosmochimica Acta, 264, 180-190, 2019. https://doi.org/10.1016/j.gca.2019.08.022
Aarons, S.M., Aciego, S.M., McConnell, J.R., Delmonte, B., Baccolo, G., Dust transport to the Taylor Glacier, Antarctica, during the last interglacial, Geophysical Research Letters, 46(4), 2261-2270, 2019. https://doi.org/10.1029/2018GL081887
2017
Aarons, S.M., Blakowski, M.A., Aciego, S.M., Stevenson, E.I., Sims, K.W.W., Scott, S.R., Aarons, C., Geochemical characterization of critical dust source regions in the American West, Geochimica et Cosmochimica Acta, 215, 141-161, 2017. https://doi.org/10.1016/j.gca.2017.07.024
Arendt, C.A., Aciego, S.M., Sims, K.W.W., Aarons, S.M., Seasonal progression of uranium series isotopes in subglacial meltwater: Implications for subglacial storage time, Chemical Geology, 467, 42-52, 2017. https://doi.org/10.1016/j.chemgeo.2017.07.007
Aarons, S.M., Aciego, S.M., Arendt, C.A., Blakowski, M.A., Steigmeyer, A., Gabrielli, P., Sierra-Hernández, M.R., Beaudon, E., Delmonte, B., Baccolo, G., May, N.W., Pratt, K.A., Dust composition changes from Taylor Glacier (East Antarctica) during the last glacial-interglacial transition: A multi-proxy approach, Quaternary Science Reviews, 162, 60-71, 2017. https://doi.org/10.1016/j.quascirev.2017.03.011
Chellman, N., McConnell, J.R., Arienzo, M., Pederson, G.T., Aarons, S.M., Csank, A., Reassessment of the Upper Fremont Glacier ice-core chronologies by synchronizing of ice-core-water isotopes to a nearby tree-ring chronology, Environmental Science & Technology, 51(8), 4230-4238, 2017. https://doi.org/10.1021/acs.est.6b06574
Aciego, S.M., Riebe, C.S., Hart, S.C., Blakowski, M.A., Carey, C.J., Aarons, S.M., Dove, N.C., Botthoff, J.K., Sims, K.W.W., Aronson, E.L., Dust outpaces bedrock in nutrient supply to montane forest ecosystems, Nature Communications, 8, 14800, 2017. https://doi.org/10.1038/ncomms14800
2016
Aarons, S.M., Aciego, S.M., Gabrielli, P., Delmonte, B., Koornneef, J.M., Uglietti, C., Wegner, A., Blakowski, M.A., Bouman, C., Ice core record of dust sources in the western United States over the last 300 years, Chemical Geology, 442, 160-173, 2016. https://doi.org/10.1016/j.chemgeo.2016.09.006
Aarons, S.M., Aciego, S.M., Gabrielli, P., Delmonte, B., Koornneef, J.M., Wegner, A., Blakowski, M.A., The impact of glacier retreat from the Ross Sea on local climate: Characterization of mineral dust in the Taylor Dome ice core, East Antarctica, Earth and Planetary Science Letters, 444, 34-44, 2016. https://doi.org/10.1016/j.epsl.2016.03.035
2015
Aciego, S.M., Aarons, S.M., Sims, K.W.W., The uranium-isotopic composition of Saharan dust collected over the central Atlantic Ocean, Aeolian Research, 17, 61-66, 2015. https://doi.org/10.1016/j.aeolia.2015.01.003
2013
Aarons, S.M., Aciego, S.M., Gleason, J.D., Variable Hf-Sr-Nd radiogenic isotopic compositions in a Saharan dust storm over the Atlantic: Implications for dust flux to oceans, ice sheets and the terrestrial biosphere, Chemical Geology, 349-350, 18-26, 2013. https://doi.org/10.1016/j.chemgeo.2013.04.010