Transfer of Bomb 14 C to the Ocean Surface

Additional 14 C data from the atmosphere and ocean have been provided since the ninth 14 C conference in 1976. At the moment, one sampling station in the troposphere in each hemisphere seems to give sufficient accuracy for exchange studies. The 14 C concentration in the troposphere in December 1978 constituted a mean value of 30 ± 1 percent (Δ 14 C) above normal level, a concentration that has been reduced to about one half during 12 years. 14 C measurements have been performed with intervals of 1 to 4 months in the surface water of the Atlantic, Pacific, and Indian Oceans. In addition to the 14 C data observed, the salinity and temperature are also measured. Because of earlier objections against storing sea water in steel drums on board ships for months before treatment, the CO 2 has now been flushed out immediately after collection. The reliability of previous measurements has been confirmed with 10 parallel samples. 14 C concentration in ocean surface on each location shows some seasonal variation due to variable exchange of water with deeper layers

Atmospheric sciences · Climatology · Geography · Meteorology · Northern Hemisphere · Pacific ocean · Physics · Radiocarbon dating · Salinity · Southern Hemisphere · Surface water · Troposphere · Atmospheric chemistry and aerosols · Chemistry · Environmental Science · Radioactive contamination and transfer · Radioactivity and Radon Measurements · Geology · Oceanography

• Tracing bomb 14 C in the atmosphere 1962–1980

  Open Access•Reidar Nydal, Knut Lövseth•Journal of Geophysical Research:…•1983

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• Planktic and Benthic 14 C Reservoir Ages for Three Ocean Basins, Calibrated by a Suite of 14 C Plateaus in the Glacial-to-Deglacial Suigetsu Atmospheric 14 C Record

  Open Access•Michael Sarnthein, Sven Balmer et al.•Radiocarbon•2015

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• Reidar Nydal (1926–2004)

  Open Access•Marian Scott, E Marian Scott•Radiocarbon•2004

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• Carbon Exchange Between Atmosphere and Oceans in a Latitude-Dependent Advection-Diffusion Model

  Open Access•Gerhard Kratz, G H Kohlmaier et al.•Radiocarbon•1983

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• Testing the Use of Bomb Radiocarbon to Date the Surface Layers of Blanket Peat

  Open Access•M H Garnett, A C Stevenson•Radiocarbon•2004

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• Planktic 14 C Plateaus

  Open Access•Sven Balmer, Michael Sarnthein•Radiocarbon•2017

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• Bomb 14 C in the Ocean Surface 1966–1981

  Open Access•Reidar Nydal, Steinar Gulliksen et al.•Radiocarbon•1984

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• A box diffusion model to study the carbon dioxide exchange in nature

  Open Access•H Oeschger, U Siegenthaler et al.•Tellus A Dynamic Meteorology and…•1975

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• Mass-Spectrometer Analyses of Radiocarbon Standards

  Open Access•Harmon Craig•Radiocarbon•1961

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• The Effect of Anthropogenic CO 2 and 14 C Sources on the Distribution of 14 C in the Atmosphere

  Open Access•Ingeborg Levin, K O Münnich et al.•Radiocarbon•1980

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