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Department of Earth Sciences

 

Biography

11/2017 to current: Postdoctoral Research Fellow: Department of Earth Sciences, University of Cambridge, UK, and Reseasrch Associate at Magdalene College Cambridge

11/2015 to 10/2017: Horizon 2020 Marie Sklowdowka-Curie Individual Fellowship: Department of Earth Sciences, University of Cambridge, UK.
‘ICE-OTOPE’ Weathering and nutrient export from subglacial environments: A novel stable isotope approach.

07/2012 to 06/2015: Turner Postdoctoral Research Fellow: Department of Earth and Environmental Sciences, University of Michigan, USA.
Stable strontium isotopes in glacial environments: Towards constraining the Sr geochemical cycle.

Awarded: APECS 'Young Polar Scientist' 2014; NSF DISCCRS 'New Generation of Polar Researchers' 2014;

2009 to 2012: D.Phil. Earth Sciences; Isotope Geochemistry: Department of Earth Sciences, University of Oxford. Stable strontium isotope fractionation in marine and terrestrial environments.

Awarded: 1st year D.Phil Earth Science Prize; St John's College grant (2009 and 2010); Burdette Coutts Grant

2002 to 2007: M.Chem. with Hons. Chemistry with Environmental Chemistry: Department of Chemistry, University of Edinburgh
1st Class Honors.

Awarded: Gillie's Prize for most distinguished academic performance in Masters study; Hope Prize Scholarship (top student in Chemistry), EaStChem PhD Scholarship (top graduating student in chemistry; Class medal (finishing top of Masters in Chemistry class); Ames prize for 'Outstanding academic performance. 

Research

  • Erosion, weathering and inorganic carbon fluxes
  • Low Temperature Isotope geochemistry
  • MC-ICP-MS, TIMS, ICP-OES
  • Any fieldwork related to river chemistry and sediment: from -35 to +40 deg. C, from the Arctic to the Equator and from sea level to +6000 masl
  • Link to Keynote talk at GGRiP https://www.youtube.com/watch?v=rni_N_ONu7Y

 

Publications

Key publications: 

Relph, K.E., Stevenson, E.I., Turchyn, A.V., Antler, G., Bickle, M.J., Baronas, J.J., Darby, S.E., Parsons, D.R., Tipper, E.T. 2021. Partitioning riverine sulfate sources using oxygen and sulfur isotopes: Implications for carbon budgets of large rivers EPSL v. 567 p.116957

Tipper, E.T., Stevenson, E.I., Alcock, V., Knight, A.C.G., Baronas, J.J., Hilton, R.G., Bickle, M.J., Larkin, C.S., Feng, L., Relph, K.E., Hughes, G. 2021. Global silicate weathering flux overestimated because of sediment-water cations exchange. Proceedings of the National Academy of Sciences v. 118

Washington, K.E., West, A.J., Kalderon-Asael, B., Katchinoff, J.A.R., Stevenson, E.I., Planavsky, N.J. 2020. Lithium isotope composition of modern and fossilized Cenozoic Brachiopods. Geology v. 48, 1058-1061

Baronas, J.J., Stevenson, E.I., Hackney, C.R., Darby, S.E., Bickle, M.J., Hilton, R.G., Larkin, C.S., Parsons, D.R., Khaing, A.M., Tipper, E.T. 2020. Integrating Suspended Sediment Flux in Large Alluvial River Channels: Application of a synoptic Pouse-Based Model to the Irrawaddy and Salween Rivers. Journal of Geophysical Research: Earth Surface v. 125, e2020JF005554

Bickle, M.J., Stevenson, E.I., Haese, R.R. 2020. Sr-isotopic ratios trace mixing and dispersion in CO2 push-pull injection experiments at the CO2CRC Otway Research Facility, Australia. Chemical Geology v. 538, 119489

Arendt, C.A., Aciego, S.M., Simms, K.W., Das, S.B., Sheik, C.S., Stevenson, E.I. 2018. Greenland subglacial water and proximal seawater U chemistry: Implications for seawater δ234U on glacial-interglacial timescales. Geochimica Et Cosmochimica Acta V. 225, 102-115

Stevenson, E.I. Fantle, M.S. Das, S.B. Williams, H.M. Aciego, S.M., 2017. The iron isotopic composition of subglacial streams draining the Greenland ice sheet, Geochimica Cosmochemica Acta v. 213, p. 237-254                                                                 

Aarons, S.M., Blakowski, M.A., Aciego, S.M., Stevenson, E.I., Simms, K.W.W., Scott, S., Aarons, C., 2017. Geochemical characterization of important dust source areas in the American West. Geochimica et Cosmochimica Acta 215,  141-161                                                                                      

Stevenson, E.I., Aciego, S. M., Burton, K.W., Parkinson, I.J., Blakowski, M.A., Arendt, C.A., 2016. Insights into combined radiogenic and stable strontium isotopes as tracers for weathering processes in subglacial environments in glacial discharge: Lemon Creek Glacier, Alaska. Chemical Geology, 429, 33-43.

Arendt, C.A., Stevenson, E.I., Aciego, S.M., 2016. Hydrologic controls on radiogenic Sr in meltwater from an alpine glacier system (Athabasca Glacier, Canada), Applied Geochemistry, 69, 42-49

Clinger, A.E., Aciego, S.M., Stevenson, E.I., Arendt, C.A., Robbins, M.J., 2016. Implications for post-comminution processes in subglacial suspended sediment using coupled radiogenic strontium and neodymium isotopes. Geomorphology, 259, 134-144

Sheik CS, Stevenson EI, Den Uyl PA, Arendt CA, Aciego SM and Dick GJ., 2015, Microbial communities of the Lemon Creek Glacier show subtle structural variation yet stable phylogenetic composition over space and time. Frontiers in Microbiolgy 6:495. doi: 10.3389/fmicb.2015.00495

Aciego, S.M., Stevenson, E.I., Arendt, C.A., 2015. Climate versus geological controls on glacial  meltwater micronutrient production in southern Greenland: Earth and Planetary Science Letters, 424, 51-58.

Yi Niu, Y., Castro, M.C., Aciego, S.M., Hall, C.M., Stevenson, E.I., Arendt, C.A., 2015. Noble Gas Signatures in Greenland – Tracing Glacial Meltwater Sources. Geophysical Research Letters, 42 (21), 9311-9318

Stevenson, E.I., Hermoso, M., Tyler, J., Rickaby, R.E.M., Burton, K.W., Parkinson, I.J., 2014. Stable strontium isotope fractionation in coccolithophores: Proxy for coccolithophore growth rate and implications for the marine Sr cycle. Geochimica et Cosmochimica Acta, 128, 225-235.

Touceda-Varela, A., Stevenson, E.I., Galve-Gasion, J.A., Dryden, D.T.F., Mareque-Rivas, J.C. 2008 Selective Turn-On Fluorescence Detection of Cyanide in Water Using Hydrophobic CdSe Quantum Dots, Chem. Commun., 2008, 1998 – 2000

Marie Skłodowska-Curie Independent Research Fellow
College Research Associate at Magdalene College
EU-INTERACT TA Ambassador
Dr Emily  Stevenson