Long-term environmental monitoring of [sup 14]C levels in the Ottawa region

Ambient levels of [sup 14]C have been monitored near Ottawa, Canada by the Radiocarbon Dating Laboratory, Geological Survey of Canada, since 1961. The 32 y of data on maple leaves documents the rapid increase of bomb-generated [sup 14]C in the mid-1960s and its exponential decline to the present. Th...

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Veröffentlicht in:	Environment international 1994-01, Vol.20:5
1. Verfasser:	McNeely, R.
Format:	Artikel
Sprache:	eng
Schlagworte:	ANNUAL VARIATIONS BETA DECAY RADIOISOTOPES BETA-MINUS DECAY RADIOISOTOPES CANADA CARBON 14 CARBON ISOTOPES DEVELOPED COUNTRIES ECOLOGICAL CONCENTRATION ENVIRONMENTAL SCIENCES EVEN-EVEN NUCLEI ISOTOPES LIGHT NUCLEI MONITORING NORTH AMERICA NUCLEI RADIATION MONITORING RADIOISOTOPES VARIATIONS YEARS LIVING RADIOISOTOPES 540130 > Environment, Atmospheric-- Radioactive Materials Monitoring & Transport-- (1990-)
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