Organic Carbon-14 in the Amazon River System

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 meas...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 1986-03, Vol.231 (4742), p.1129-1131
Main Authors: Hedges, John I., Ertel, John R., Quay, Paul D., Grootes, Pieter M., Richey, Jeffrey E., Devol, Allan H., Farwell, George W., Schmidt, Fred W., Salati, Eneas
Format: Article
Language:English
Subjects:
Acid soils
Biochemistry
Carbon
Carbon content
Carbon dioxide
Drainage basins
Environmental aspects
Freshwater
Nuclear weapons
Oceans
Organic materials
Organic soils
Particulate matter
Radiocarbon
Rivers
Soil carbon
Soil erosion
Soil organic matter
Soils
South America
Watersheds
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Summary: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.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.231.4742.1129