Millennial-scale iron fertilization of the eastern equatorial Pacific over the past 100,000 years

Nature Geoscience

Volumn 10, Issue 10, 2017, Pages 760-764

  Loveley, Matthew R ^a   Marcantonio, Franco ^a   Wisler, Marilyn M ^a   Hertzberg, Jennifer E ^b   Schmidt, Matthew W ^c   Lyle, Mitchell ^d  

^a TEXAS A AND M UNIVERSITY   (United States)

^b UNIVERSITY OF CONNECTICUT   (United States)

^c Old Dominion University   (United States)

^d OREGON STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CARBON DIOXIDE; CORE ANALYSIS; DEEP WATER VENTILATION; DEGLACIATION; DISSOLUTION; DUST; EQUATORIAL DYNAMICS; GLOBAL CLIMATE; HEINRICH EVENT; IRON; LAST GLACIAL; OXYGENATION; RESPIRATION;

ATLANTIC OCEAN; ATLANTIC OCEAN (NORTH); PACIFIC OCEAN; PACIFIC OCEAN (EAST); SOUTHERN OCEAN;

EID: 85030539251     PISSN: 17520894     EISSN: 17520908     Source Type: Journal    
DOI: 10.1038/ngeo3024     Document Type: Article

References (57)

1. Meyers, S. R. Production and preservation of organic matter: The significance of iron. Paleoceanography 22, 1-16 (2007).
2. Martin, J. H. Glacial-interglacial CO2 change: The iron hypothesis. Paleoceanography 5, 1-13 (1990).
3. Pennington, J. T. et al. Primary production in the eastern tropical Pacific: A review. Prog. Oceanogr. 69, 285-317 (2006).
4. Ziegler, M., Diz, P., Hall, I. R. & Zahn, R. Millennial-scale changes in atmospheric CO2 levels linked to the Southern Ocean carbon isotope gradient and dust flux. Nat. Geosci. 6, 457-461 (2013).
5. Anderson, R. F., Fleisher, M. Q. & Lao, Y. Glacial-interglacial variability in the delivery of dust to the central equatorial Pacific Ocean. Earth Planet. Sci. Lett. 242, 406-414 (2006).
6. Winckler, G., Anderson, R. F., Fleisher, M. Q., McGee, D. & Mahowald, N. Covariant glacial-interglacial dust fluxes in the equatorial Pacific and Antarctica. Science 320, 93-96 (2008).
7. Murray, R. W., Leinen, M. & Knowlton, C. W. Links between iron input and opal deposition in the Pleistocene equatorial Pacific Ocean. Nat. Geosci. 5, 270-274 (2012).
8. Costa, K. M. et al. No iron fertilization in the equatorial Pacific Ocean during the last ice age. Nature 529, 519-522 (2016).
9. Winckler, G., Anderson, R. F., Jaccard, S. L. & Marcantonio, F. Ocean dynamics, not dust, have controlled equatorial Pacific productivity over the past 500, 000 years. Proc. Natl Acad. Sci. USA 113, 6119-6124 (2016).
10. Dubois, N. et al. Millennial-scale variations in hydrography and biogeochemistry in the Eastern Equatorial Pacific over the last 100 kyr. Quat. Sci. Rev. 30, 210-223 (2011).
11. Kienast, M. et al. Eastern Pacific cooling and Atlantic overturning circulation during the last deglaciation. Nature 443, 846-849 (2006).
12. Kienast, S. S. et al. Near collapse of the meridional SST gradient in the eastern equatorial Pacific during Heinrich Stadial 1. Paleoceanography 28, 663-674 (2013).
13. Rose, W. I., Conway, F. M., Pullinger, C. R., Deino, A. & McIntosh, W. C. An improved age framework for late Quaternary silicic eruptions in northern Central America. Bull. Volcanol. 61, 106-120 (1999).
14. McGee, D. et al. Tracking eolian dust with helium and thorium: impacts of grain size and provenance. Geochim. Cosmochim. Acta 175, 47-67 (2016).
15. Albani, S. et al. Paleodust variability since the Last Glacial Maximum and implications for iron inputs to the ocean. Geophys. Res. Lett. 43, 3944-3954 (2016).
16. Mahowald, N. et al. Dust sources and deposition during the last glacial maximum and current climate: A comparison of model results with paleodata from ice cores and marine sediments. J. Geophys. Res. 104, 15895-15916 (1999).
17. Dymond, J., Suess, E. & Lyle, M. Barium in deep-sea sediment: A geochemical proxy for paleoproductivity. Paleoceanography 7, 163-181 (1992).
18. Paytan, A., Kastner, M. & Chavez, F. P. Glacial to interglacial fluctuations in productivity in the equatorial Pacific as indicated by marine barite. Science 274, 1355-1357 (1996).
19. Francois, R., Honjo, S., Manganini, S. J. & Ravizza, G. E. Biogenic barium fluxes to the deep sea: implications for paleoproductivity reconstruction. Glob. Biogeochem. Cycles 9, 289-303 (1995).
20. Pena, L. D., Cacho, I., Ferretti, P. & Hall, M. A. El Niño-Southern Oscillation-like variability during glacial terminations and interlatitudinal teleconnections. Paleoceanography 23, 1-8 (2008).
21. deMenocal, P. B. et al. Abrupt onset and termination of the African Humid Period: rapid climate responses to gradual insolation forcing. Quat. Sci. Rev. 19, 347-361 (2000).
22. McManus, J. F., Francois, R., Gherardi, J. M., Keigwin, L. D. & Brown-Leger, S. Collapse and rapid resumption of Atlantic meridional circulation linked to deglacial climate changes. Nature 428, 834-837 (2004).
23. Wang, Y. J. et al. A high-resolution absolute-dated late Pleistocene monsoon record from Hulu Cave, China. Science 294, 2345-2348 (2001).
24. Burns, S. J., Fleitmann, D., Matter, A., Kramers, J. & Al-Subbary, A. A. Indian Ocean climate and an absolute chronology over Dansgaard/Oeschger events 9 to 13. Science 301, 1365-1367 (2003).
25. Peterson, L. C., Haug, G. H., Hughen, K. A. & Röhl, U. Rapid changes in the hydrologic cycle of the tropical Atlantic during the last glacial. Science 290, 1947-1951 (2000).
26. Donohoe, A., Marshall, J., Ferreira, D. & Mcgee, D. The relationship between ITCZ location and cross-equatorial atmospheric heat transport: from the seasonal cycle to the Last Glacial Maximum. J. Clim. 26, 3597-3618 (2013).
27. Kanner, L. C., Burns, S. J., Cheng, H. & Edwards, R. L. High-latitude forcing of the South American summer monsoon during the last glacial. Science 335, 570-573 (2012).
28. Wang, X. et al. Wet periods in northeastern Brazil over the past 210 kyr linked to distant climate anomalies. Nature 432, 740-743 (2004).
29. Takahashi, K. & Battisti, D. S. Processes controlling the mean tropical Pacific precipitation pattern. Part I: The Andes and the eastern Pacific ITCZ. J. Clim. 20, 3434-3451 (2007).
30. Bradtmiller, L. I., Anderson, R. F., Sachs, J. P. & Fleisher, M. Q. A deeper respired carbon pool in the glacial equatorial Pacific Ocean. Earth Planet. Sci. Lett. 299, 417-425 (2010).
31. Jaccard, S. L. et al. Subarctic Pacific evidence for a glacial deepening of the oceanic respired carbon pool. Earth Planet. Sci. Lett. 277, 156-165 (2009).
32. Jaccard, S. L., Galbraith, E. D., Martínez-García, A. & Anderson, R. F. Covariation of deep Southern Ocean oxygenation and atmospheric CO2 through the last ice age. Nature 530, 207-210 (2016).
33. Anderson, R. F. et al. Wind-driven upwelling in the Southern Ocean and the deglacial rise in atmospheric CO2. Science 323, 1443-1448 (2009).
34. Denton, G. H. et al. The last glacial termination. Science 328, 1652-1656 (2010).
35. Martínez-Botí, M. A. et al. Boron isotope evidence for oceanic carbon dioxide leakage during the last deglaciation. Nature 518, 219-222 (2015).
36. Takahashi, T. et al. Climatological mean and decadal change in surface ocean pCO2, and net sea-air CO2 flux over the global oceans. Deep-Sea Res. II 56, 554-577 (2009).
37. Garcia, H. E. et al. World Ocean Atlas 2013, Volume 4: Dissolved Inorganic Nutrients (Phosphate, Nitrate, Silicate)(ed. Levitus, S.) Vol. 76 (A. Mishonov Technical Ed., NOAA Atlas NESDIS, 2014).
38. Johnsen, S. J. & North Greenland Ice Core Project members, High-resolution record of Northern Hemisphere climate extending into the last interglacial period. Nature 431, 147-151 (2004).
39. Lisiecki, L. E. & Raymo, M. E. A Pliocene-Pleistocene stack of 57 globally distributed benthic -18O records. Paleoceanography 20, 1-17 (2005).
40. Rasmussen, T. L. & Thomsen, E. The role of the North Atlantic Drift in the millennial timescale glacial climate fluctuations. Palaeogeogr. Palaeoclimatol. Palaeoecol. 210, 101-116 (2004).
41. Bereiter, B et al. Mode change of millennial CO2 variability during the last glacial cycle associated with a bipolar marine carbon seesaw. Proc. Natl Acad. Sci. USA 109, 9755-9760 (2012).
42. Stuiver, M. & Reimer, P. J. Extended 14 C data base and revised CALIB 3. 0 14 C age calibration program. Radiocarbon 35, 215-230 (1993).
43. Reimer, P. J. et al. IntCal13 and Marine13 radiocarbon age calibration curves 0-50, 000 years cal BP. 55, 1869-1887 (2013).
44. Bacon, M. P. & Anderson, R. F. Distribution of thorium isotopes between dissolved and particulate forms in the deep sea. Geophys. Res. Lett. 87, 2045-2056 (1982).
45. Henderson, G. M. Seawater (234U/238U) during the last 800 thousand years. Earth Planet. Sci. Lett. 199, 97-110 (2002).
46. Henderson, G. M. & Anderson, R. F. The U-series toolbox for paleoceanography. Rev. Mineral. Geochem. 52, 493-531 (2003).
47. Suman, D. O. & Bacon, M. P. Variations in Holocene sedimentation in the North American Basin determined by 230Th measurements. Deep-Sea Res. 36, 869-878 (1989).
48. Singh, A. K., Marcantonio, F. & Lyle, M. Sediment focusing in the Panama Basin, eastern equatorial Pacific Ocean. Earth Planet. Sci. Lett. 309, 33-44 (2011).
49. Marcantonio, F., Lyle, M. & Ibrahim, R. Particle sorting during sediment redistribution processes and the efiect on 230Th-normalized mass accumulation rates. Geophys. Res. Lett. 41, 5547-5554 (2014).
50. Taylor, S. R. & McLennan, S. M. The Continental Crust: Its Composition and Evolution (Blackwell Scientific, 1985).
51. McGee, D., Marcantonio, F. & Lynch-Stieglitz, J. Deglacial changes in dust flux in the eastern equatorial Pacific. Earth Planet. Sci. Lett. 257, 215-230 (2007).
52. Anderson, R. F. Concentration, vertical flux, and remineralization of particulate uranium in seawater. Geochim. Cosmochim. Acta 46, 1293-1299 (1982).
53. Grith, E. M. & Paytan, A. Barite in the ocean-occurrence, geochemistry and palaeoceanographic applications. Sedimentology 59, 1817-1835 (2012).
54. Barnes, C. E. & Cochran, J. K. Uranium removal in oceanic sediments and the oceanic U balance. Earth Planet. Sci. Lett. 97, 94-101 (1990).
55. Colley, S., Thomson, J., Wilson, T. R. S. & Higgs, N. C. Post-depositional migration of elements during diagenesis in brown clay and turbidite sequences in the North East Atlantic. Geochim. Cosmochim. Acta 48, 1223-1235 (1984).
56. Zheng, Y., Anderson, R. F., van Geen, A. & Fleisher, M. Q. Remobilization of authigenic uranium in marine sediments by bioturbation. Geochim. Cosmochim. Acta 66, 1759-1772 (2002).
57. Thomson, J., Higgs, N. C., Croudace, I. W., Colley, S. & Hydes, D. J. Redox zonation of elements at an oxic/post-oxic boundary in deep-sea sediments. Geochim. Cosmochim. Acta 57, 579-595 (1993).