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Uranium and thorium decay series nuclides in plankton from the Caribbean

Journal Article · · Limnol. Oceanogr.; (United States)
 [1]; ; ;
  1. Yale Univ., New Haven
+ Show Author Affiliations
Zooplankton (predominantly calanoids and cyclopoids) from the Caribbean were analyzed for /sup 238/U, /sup 234/U, /sup 232/Th, /sup 228/Th, /sup 228/Ra, /sup 226/Ra, /sup 210/Pb, and /sup 210/Po. The concentration factor in the zooplankton relative to seawater is highest for /sup 210/Po. /sup 210/Pb and /sup 228/Th have similar concentration factors and are comparable (when normalized to /sup 226/Ra) to reported fiber-scavenging experimental data on /sup 210/Pb and /sup 234/Th. The dominant transport agent for /sup 210/Po and /sup 210/Pb from the mixed layer to depth cannot be unmodified zooplankton debris.
OSTI ID:
7328123
Journal Information:
Limnol. Oceanogr.; (United States), Journal Name: Limnol. Oceanogr.; (United States) Vol. 21:2; ISSN LIOCA
Country of Publication:
United States
Language:
English

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Related Subjects

520302* -- Environment
Aquatic-- Radioactive Materials Monitoring & Transport-- Aquatic Ecosystems & Food Chains-- (-1987)
54 ENVIRONMENTAL SCIENCES
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALKALINE EARTH ISOTOPES
ALPHA DECAY RADIOISOTOPES
ANIMALS
AQUATIC ORGANISMS
ARTHROPODS
ATLANTIC OCEAN
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CARIBBEAN SEA
CHEMICAL ANALYSIS
CRUSTACEANS
DAUGHTER PRODUCTS
DAYS LIVING RADIOISOTOPES
DECAY
ENVIRONMENTAL TRANSPORT
EVEN-EVEN NUCLEI
HEAVY NUCLEI
HYDROGEN COMPOUNDS
INVERTEBRATES
ISOTOPES
LEAD 210
LEAD ISOTOPES
MASS TRANSFER
MEASURING METHODS
NUCLEI
OXYGEN COMPOUNDS
PLANKTON
POLONIUM 210
POLONIUM ISOTOPES
RADIOACTIVITY
RADIOCHEMICAL ANALYSIS
RADIOISOTOPES
RADIONUCLIDE MIGRATION
RADIUM 226
RADIUM 228
RADIUM ISOTOPES
SEAS
SEAWATER
SURFACE WATERS
THORIUM 228
THORIUM 232
THORIUM ISOTOPES
UPTAKE
URANIUM 234
URANIUM 238
URANIUM ISOTOPES
WATER
YEARS LIVING RADIOISOTOPES