Bomb-produced radiocarbon in the western tropical Pacific Ocean: Guam coral reveals operation-specific signals from the Pacific Proving Grounds

Andrews, Allen H.; Asami, Ryuji; Iryu, Yasufumi; Kobayashi, Donald R.; Camacho, Frank

doi:10.1002/2016JC012043

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Bomb-produced radiocarbon in the western tropical Pacific Ocean: Guam coral reveals operation-specific signals from the Pacific Proving Grounds

2016
By Andrews, Allen H. ; Asami, Ryuji ; Iryu, Yasufumi ; ...
Source: Journal of Geophysical Research: Oceans, 121(8), 6351-6366

[PDF-1.12 MB]

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Details:

Journal Title:

Journal of Geophysical Research: Oceans
Personal Author:

Andrews, Allen H. ; Asami, Ryuji ; Iryu, Yasufumi ; Kobayashi, Donald R. ; Camacho, Frank

Andrews, Allen H. ; Asami, Ryuji ; Iryu, Yasufumi ; Kobayashi, Donald R. ; Camacho, Frank Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; PIFSC (Pacific Islands Fisheries Science Center) ; CoRIS (Coral Reef Information System)

NMFS (National Marine Fisheries Service) ; PIFSC (Pacific Islands Fisheries Science Center) ; CoRIS (Coral Reef Information System) Less -
Description:

High-resolution radiocarbon (14C) analyses on a coral core extracted from Guam, a western tropical Paciﬁc island, revealed a series of early bomb-produced14C spikes. The typical marine bomb14C sig- nal—phase lagged and attenuated relative to atmospheric records—is present in the coral and is consistentwith other regional coral records. However, 14C levels well above what can be attributed to air-sea diffusion alone punctuate this pattern. This anomaly was observed in other Indo-Paciﬁc coral records, but the Guam record is unmatched in magnitude and temporal resolution. The Guam coral D14C record provided three spikes in 1954–1955, 1956–1957, and 1958–1959 that are superimposed on a normal14C record. Relative to
Keywords:

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Earth And Planetary Sciences (miscellaneous) Geochemistry And Petrology Geophysics Oceanography Space And Planetary Science
Source:

Journal of Geophysical Research: Oceans, 121(8), 6351-6366
DOI:

https://doi.org/10.1002/2016JC012043
ISSN:

2169-9275
Format:

PDF
Publisher:

American Geophysical Union (AGU)
Document Type:

Journal Article
Funding:

Grant no. NA14NMF4270056
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Other
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Library
Main Document Checksum:

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urn:sha256:fbcbcd4187f7b3026348b495cc196e58f8c9add49aa64369a23b80106afa3e4a
Download URL:

https://repository.library.noaa.gov/view/noaa/52476/noaa_52476_DS1.pdf
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