Geochemical fingerprinting of trans-Atlantic African dust based on radiogenic Sr-Nd-Hf isotopes and rare earth element anomalies

Geology

Volumn 42, Issue 8, 2014, Pages 675-678

  Pourmand, Ali ^a   Prospero, Joseph M ^a   Sharifi, Arash ^a  

^a UNIVERSITY OF MIAMI   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AEROSOLS; HAFNIUM; ISOTOPES; RARE EARTH ELEMENTS; STRONTIUM;

BIOGEOCHEMICAL CYCLE; DUST SOURCE AREAS; GEOCHEMICAL COMPOSITION; GEOCHEMICAL FINGERPRINTING; ISOTOPIC COMPOSITION; POTENTIAL SOURCES; SOIL AND SEDIMENT; TEMPORAL VARIABILITY;

DUST;

AEROSOL; DUST; GEOCHEMISTRY; ISOTOPIC COMPOSITION; LONG RANGE TRANSPORT; RARE EARTH ELEMENT; TRADE WIND;

BARBADOS; NORTH AFRICA;

EID: 84905179389     PISSN: 00917613     EISSN: 19432682     Source Type: Journal    
DOI: 10.1130/G35624.1     Document Type: Article

References (32)

1. Aarons, S.M., Aciego, S.M., and Gleason, J.D., 2013, 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, v. 349-350, p. 18-26, doi: 10.1016 /j.chemgeo.2013.04.010.
2. Abouchami, W., et al., 2013, Geochemical and isotopic characterization of the Bodélé Depression dust source and implications for transatlantic dust transport to the Amazon Basin: Earth and Planetary Science Letters, v. 380, p. 112-123, doi: 10.1016/j.epsl.2013.08.028.
3. Adams, A.M., Prospero, J.M., and Zhang, C., 2012, CALIPSO-derived three-dimensional structure of aerosol over the Atlantic Basin and adjacent continents: Journal of Climate, v. 25, p. 6862-6879, doi: 10.1175/JCLI-D-11-00672.1.
4. Albarède, F., Simonetti, A., Vervoort, J.D., Blichert-Toft, J., and Abouchami, W., 1998, A Hf-Nd isotopic correlation in ferromanganese nodules: Geophysical Research Letters, v. 25, p. 3895-3898, doi: 10.1029/1998GL900008.
5. Bayon, G., Burton, K.W., Soulet, G., Vigier, N., Dennielou, B., Etoubleau, J., Ponzevera, E., German, C.R., and Nesbitt, R.W., 2009, Hf and Nd isotopes in marine sediments: Constraints on global silicate weathering: Earth and Planetary Science Letters, v. 277, p. 318-326, doi: 10.1016/j.epsl.2008.10.028.
6. Bouvier, A., Vervoort, J.D., and Patchett, P.J., 2008, The Lu-Hf and Sm-Nd isotopic composition of CHUR: Constraints from unequilibrated chondrites and implications for the bulk composition of terrestrial planets: Earth and Planetary Science Letters, v. 273, p. 48-57, doi: 10.1016/j.epsl.2008.06.010.
7. Chen, T.-Y., Li, G., Frank, M., and Ling, H.-F., 2013, Hafnium isotope fractionation during continental weathering: Implications for the generation of the seawater Nd-Hf isotope relationships: Geophysical Research Letters, v. 40, p. 916-920, doi: 10.1002/grl.50217.
8. Dasch, E.J., 1969, Strontium isotopes in weathering profiles, deep-sea sediments, and sedimentary rocks: Geochimica et Cosmochimica Acta, v. 33, p. 1521-1552, doi: 10.1016/0016-7037 (69)90153-7.
9. Evan, A.T., Vimont, D.J., Heidinger, A.K., Kossin, J.P., and Bennartz, R., 2009, The role of aerosols in the evolution of tropical North Atlantic ocean temperature anomalies: Science, v. 324, p. 778-781, doi: 10.1126/science.1167404.
10. Goldstein, S.L., O'Nions, R.K., and Hamilton, P.J., 1984, A Sm-Nd isotopic study of atmospheric dusts and particulates from major river systems: Earth and Planetary Science Letters, v. 70, p. 221-236, doi: 10.1016/0012-821X (84)90007-4.
11. Goudie, A.S., and Middleton, N.J., 2001, Saharan dust storms: Nature and consequences: Earth-Science Reviews, v. 56, p. 179-204, doi: 10.1016/S0012-8252 (01)00067-8.
12. Grousset, F.E., Biscaye, P.E., Zindler, A., Prospero, J., and Chester, R., 1988, Neodymium isotopes as tracers in marine sediments and aerosols: North Atlantic: Earth and Planetary Science Letters, v. 87, p. 367-378, doi: 10.1016/0012-821X (88)90001-5.
13. Grousset, F.E., Parra, M., Bory, A., Martinez, P., Bertrand, P., Shimmield, G., and Ellam, R.M., 1998, Saharan wind regimes traced by the Sr-Nd isotopic composition of subtropical Atlantic sediments Last Glacial maximum vs today: Quaternary Science Reviews, v. 17, p. 395-409, doi: 10.1016/S0277-3791 (97)00048-6.
14. Hsu, S.-H., et al., 2012, Dust transport from non-East Asian sources to the North Pacific: Geophysical Research Letters, v. 39, doi: 10.1029 /2012GL051962.
15. Huneeus, N., et al., 2011, Global dust model intercomparison in AeroCom phase I: Atmospheric Chemistry and Physics, v. 11, p. 7781-7816, doi: 10.5194/acp-11-7781-2011.
16. Kumar, A., et al., 2014, A radiogenic isotope tracer study of transatlantic dust transport from Africa to the Caribbean: Atmospheric Environment, v. 82, p. 130-143, doi: 10.1016/j.atmosenv.2013.10.021.
17. Li-Jones, X., and Prospero, J.M., 1998, Variations in the size distribution of non-sea-salt sulfate aerosol in marine boundary layer at Barbados: Impact of African dust: Journal of Geophysical Research, v. 103, p. 16,073-16,084, doi: 10.1029/98JD00883.
18. Lupker, M., Aciego, S.M., Bourdon, B., Schwander, J., and Stocker, T.F., 2010, Isotopic tracing (Sr, Nd, U and Hf) of continental and marine aerosols in an 18th century section of the Dye-3 ice core (Greenland): Earth and Planetary Science Letters, v. 295, p. 277-286, doi: 10.1016/j.epsl.2010.04.010.
19. Mahowald, N., Albani, S., Kok, J.F., Engelstaeder, S., Scanza, R., Ward, D.S., and Flanner, M.G., 2013, The size distribution of desert dust aerosols and its impact on the Earth system: Aeolian Research, doi: 10.1016/j.aeolia.2013.09.002.
20. Muhs, D.R., Budahn, J.R., Prospero, J.M., and Carey, S.N., 2007, Geochemical evidence for African dust inputs to soils of western Atlantic islands: Barbados, the Bahamas, and Florida: Journal of Geophysical Research, v. 112, F02009, doi: 10.1029/2005JF000445.
21. Pourmand, A., and Dauphas, N., 2010, Distribution coefficients of 60 elements on TODGA resin: Application to Ca, Lu, Hf, U and Th isotope geochemistry: Talanta, v. 81, p. 741-753, doi: 10.1016/j.talanta.2010.01.008.
22. Pourmand, A., Dauphas, N., and Ireland, T.J., 2012, A novel extraction chromatography and MCICP-MS technique for rapid analysis of REE, Sc and Y: Revising CI-chondrite and Post-Archean Australian Shale (PAAS) abundances: Chemical Geology, v. 291, p. 38-54, doi: 10.1016/j.chemgeo.2011.08.011.
23. Prospero, J.M., and Lamb, P.J., 2003, African droughts and dust transport to the Caribbean: Climate change implications: Science, v. 302, p. 1024-1027, doi: 10.1126/science.1089915.
24. Prospero, J.M., and Mayol-Bracero, O.L., 2013, Understanding the transport and impact of African dust on the Caribbean Basin: American Meteorological Society Bulletin, v. 94, p. 1329-1337, doi: 10.1175/BAMS-D-12-00142.1.
25. Rickli, J., Frank, M., Baker, A.R., Aciego, S., de Souza, G., Georg, R.B., and Halliday, A.N., 2010, Hafnium and neodymium isotopes in surface waters of the eastern Atlantic Ocean: Implications for sources and inputs of trace metals to the ocean: Geochimica et Cosmochimica Acta, v. 74, p. 540-557, doi: 10.1016/j.gca.2009.10.006.
26. Scheuvens, D., Schütz, L., Kandler, K., Ebert, M., and Weinbruch, S., 2013, Bulk composition of northern African dust and its source sediments-A compilation: Earth-Science Reviews, v. 116, p. 170-194, doi: 10.1016/j.earscirev.2012.08.005.
27. Shao, Y., Wyrwoll, K.-H., Chappell, A., Huang, J., Lin, Z., McTainsh, G.H., Mikami, M., Tanaka, T.Y., Wang, X., and Yoon, S., 2011, Dust cycle: An emerging core theme in Earth system science: Aeolian Research, v. 2, p. 181-204, doi: 10.1016/j.aeolia.2011.02.001.
28. Stichel, T., Frank, M., Rickli, J., and Haley, B.A., 2012, The hafnium and neodymium isotope composition of seawater in the Atlantic sector of the Southern Ocean: Earth and Planetary Science Letters, v. 317-318, p. 282-294, doi: 10.1016/j.epsl.2011.11.025.
29. Stuut, J.-B., Zabel, M., Ratmeyer, V., Helmke, P., Schefuß, E., Lavik, G., and Schneider, R., 2005, Provenance of present-day eolian dust collected off NW Africa: Journal of Geophysical Research, v. 110, D04202, doi: 10.1029 /2004JD005161.
30. Trapp, J.M., Millero, F.J., and Prospero, J.M., 2010, Temporal variability of the elemental composition of African dust measured in trade wind aerosols at Barbados and Miami: Marine Chemistry, v. 120, p. 71-82, doi: 10.1016/j.marchem.2008.10.004.
31. van de Flierdt, T., Goldstein, S.L., Hemming, S.R., Roy, M., Frank, M., and Halliday, A.N., 2007, Global neodymium-hafnium isotope systematics-Revisited: Earth and Planetary Science Letters, v. 259, p. 432-441, doi: 10.1016/j.epsl.2007.05.003.
32. Vervoort, J.D., Patchett, P.J., Blichert-Toft, J., and Albarède, F., 1999, Relationships between Lu-Hf and Sm-Nd isotopic systems in the global sedimentary system: Earth and Planetary Science Letters, v. 168, p. 79-99, doi: 10.1016/S0012-821X (99)00047-3.