Dissolved Organic Radiocarbon in the Eastern Pacific and Southern Oceans

Druffel, Ellen R. M.; Griffin, Sheila; Lewis, Christian B.; Rudresh, Megha; Garcia, Noreen G.; Key, Robert M.; McNichol, Ann P.; Hauksson, Niels E.; Walker, Brett D.

doi:10.1029/2021gl092904

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Dissolved Organic Radiocarbon in the Eastern Pacific and Southern Oceans

2021
By Druffel, Ellen R. M. ; Griffin, Sheila ; Lewis, Christian B. ; ...
Source: Geophysical Research Letters, 48(10)

[PDF-479.03 KB]

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Journal Title:

Geophysical Research Letters
Personal Author:

Druffel, Ellen R. M. ; Griffin, Sheila ; Lewis, Christian B. ; Rudresh, Megha ; Garcia, Noreen G. ; ... More +

Druffel, Ellen R. M. ; Griffin, Sheila ; Lewis, Christian B. ; Rudresh, Megha ; Garcia, Noreen G. ; Key, Robert M. ; McNichol, Ann P. ; Hauksson, Niels E. ; Walker, Brett D. Less -
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NOAA General Documents
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We report marine dissolved organic carbon (DOC) concentrations, and DOC Δ14C and δ13C values in seawater collected from the Southern Ocean and eastern Pacific GOSHIP cruise P18 in 2016/2017. The aging of 14C in DOC in circumpolar deep water northward from 69°S to 20°N was similar to that measured in dissolved inorganic carbon in the same samples, indicating that the transport of deep waters northward is the primary control of 14C in DIC and DOC. Low DOC ∆14C and δ13C measurements between 1,200 and 3,400 m depth may be evidence of a source of DOC produced in nearby hydrothermal ridge systems (East Pacific Rise).
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General Earth And Planetary Sciences Geophysics
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Geophysical Research Letters, 48(10)
DOI:

https://doi.org/10.1029/2021gl092904
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0094-8276;1944-8007;
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American Geophysical Union (AGU)
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urn:sha256:c7622cf9af9a4df519f0d8339dd3b439f68a9d2b75f203fb0aca98b9314f753a
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https://repository.library.noaa.gov/view/noaa/59656/noaa_59656_DS1.pdf
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