Nilsen, E. B.; Anderson, L. D.; Delaney, M. L. (2003): Paleoproductivity, nutrient burial, climate change and the carbon cycle in the western equatorial Atlantic across the Eocene/Oligocene boundary. American Geophysical Union, Washington, DC, United States, Paleoceanography, 18 (3), georefid:2004-040720

Abstract:
Paleoproductivity, nutrient burial, and carbon cycling were investigated across the Eocene/Oligocene (E/O) boundary at Ocean Drilling Program Site 925 on the Ceara Rise in the western equatorial Atlantic. Downcore bulk sediment records of biogenic barium, total reactive phosphorus, biogenic silica, and calcium carbonate are interpreted to represent export production, net nutrient burial, biogenic opal production, and inorganic carbon burial, respectively. Biogenic silica production or preservation increased after the Eocene/Oligocene boundary to a higher baseline, although overall productivity and nutrient burial did not increase, based on barium and reactive phosphorus records. (mod. journ. abst.)
Coverage:
West: -180.0000 East: 180.0000 North: 7.0000 South: -90.0000
West: NaN East: NaN North: NaN South: NaN
West: NaN East: NaN North: NaN South: NaN
Relations:
Expedition: 154
Site: 154-925
Data access:
Provider: SEDIS Publication Catalogue
Data set link: http://sedis.iodp.org/pub-catalogue/index.php?id=10.1029/2002PA000804 (c.f. for more detailed metadata)
Data download: application/pdf
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