Oceanic residence times of dissolved beryllium and aluminum deduced from cosmogenic tracers /sup 10/Be and /sup 26/Al
Journal Article
·
· Science; (United States)
OSTI ID:5967547
The residence times of the soluble fractions of beryllium and aluminum in seawater are estimated to be 1500 years or more. These residence times are estimated from a comparison of the annual deposition rates of cosmogenic beryllium-10 and aluminum-26 with the concentrations of beryllium-10 and aluminum-26 in seawater estimated from the specific activities of these radionuclides in an authigenic mineral assembly such as a manganese nodule. These residence times are greater by an order of magnitude than the mean residence times of beryllium and aluminum estimated from the geochemical balance.
- Research Organization:
- Commissariat a l'Energie Atomique, Gif-sur-Yvette, France
- OSTI ID:
- 5967547
- Journal Information:
- Science; (United States), Vol. 201:4360
- Country of Publication:
- United States
- Language:
- English
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OSTI ID:5967547
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Related Subjects
54 ENVIRONMENTAL SCIENCES
ALUMINIUM 26
ECOLOGY
BERYLLIUM 10
SEAS
ACTIVITY LEVELS
COMPARATIVE EVALUATIONS
COSMOLOGY
RADIOACTIVITY
REACTIVITY
SOLUBILITY
ALKALINE EARTH ISOTOPES
ALUMINIUM ISOTOPES
BERYLLIUM ISOTOPES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BETA-PLUS DECAY RADIOISOTOPES
EVEN-EVEN NUCLEI
ISOTOPES
LIGHT NUCLEI
NUCLEI
ODD-ODD NUCLEI
RADIOISOTOPES
SECONDS LIVING RADIOISOTOPES
SURFACE WATERS
YEARS LIVING RADIOISOTOPES
520101* - Environment
Aquatic- Basic Studies- Radiometric Techniques- (-1989)
ALUMINIUM 26
ECOLOGY
BERYLLIUM 10
SEAS
ACTIVITY LEVELS
COMPARATIVE EVALUATIONS
COSMOLOGY
RADIOACTIVITY
REACTIVITY
SOLUBILITY
ALKALINE EARTH ISOTOPES
ALUMINIUM ISOTOPES
BERYLLIUM ISOTOPES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BETA-PLUS DECAY RADIOISOTOPES
EVEN-EVEN NUCLEI
ISOTOPES
LIGHT NUCLEI
NUCLEI
ODD-ODD NUCLEI
RADIOISOTOPES
SECONDS LIVING RADIOISOTOPES
SURFACE WATERS
YEARS LIVING RADIOISOTOPES
520101* - Environment
Aquatic- Basic Studies- Radiometric Techniques- (-1989)