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. 1986 Mar 7;231(4742):1129-31.
doi: 10.1126/science.231.4742.1129.

Organic carbon-14 in the Amazon river system

J I Hedges, J R Ertel, P D Quay, P M Grootes, J E Richey, A H Devol, G W Farwell, F W Schmidt, E Salati

Organic carbon-14 in the Amazon river system

J I Hedges et al. Science. .

Abstract

Coarse and fine suspended particulate organic materials and dissolved humic and fulvic acids transported by the Amazon River all contain bomb-produced carbon-14, indicating relatively rapid turnover of the parent carbon pools. However, the carbon-14 contents of these coexisting carbon forms are measurably different and may reflect varying degrees of retention by soils in the drainage basin.

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