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Distribution of /sup 65/Zn in plankton from offshore waters of Washington and Oregon, 1961-1963

Technical Report ·
OSTI ID:5479614
;
The distribution of /sup 65/Zn values for unsorted plankton caught in a No. 6 mesh net within 135 miles of the mouth of the Columbia River conforms to the general pattern of the horizontal distribution of Columbia River water. The principal sources of /sup 65/Zn in this area are the Hanford nuclear reactors, 350 miles upstream from the river mouth. Analyses of 238 samples collected between January 1961 and December 1963 indicate significant seasonal, but not annual, changes and a close relationship between /sup 65/Zn in river water and plankton. Maximum /sup 65/Zn values for all seasons occurred near the Washington coast in the winter, in the spring the values increased off the river mouth and southward, values for the southern offshore area reached a maximum in the summer, the autumn season was characterized by minimum values in all areas. The data were described by the geometric mean since the array of the /sup 65/Zn values approximated a log-normal distribution. Values ranged from zero to 1300 picocuries of /sup 65/Zn per gram of dry plankton.
Research Organization:
Oak Ridge Associated Universities, Inc., TN (USA)
OSTI ID:
5479614
Report Number(s):
AED-CONF-65-167-5; CONF-650654-2
Country of Publication:
United States
Language:
English

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Related Subjects

520301* -- Environment
Aquatic-- Radioactive Materials Monitoring & Transport-- Water-- (1987)
520302 -- Environment
Aquatic-- Radioactive Materials Monitoring & Transport-- Aquatic Ecosystems & Food Chains-- (-1987)
54 ENVIRONMENTAL SCIENCES
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63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AQUATIC ORGANISMS
BETA DECAY RADIOISOTOPES
BETA-PLUS DECAY RADIOISOTOPES
COASTAL WATERS
COLUMBIA RIVER
CORRELATIONS
DAYS LIVING RADIOISOTOPES
ELECTRON CAPTURE RADIOISOTOPES
EVEN-ODD NUCLEI
HANFORD RESERVATION
INTERMEDIATE MASS NUCLEI
ISOTOPES
MATERIALS
MONITORING
NATIONAL ORGANIZATIONS
NORTH AMERICA
NUCLEI
OREGON
PACIFIC NORTHWEST REGION
PACIFIC OCEAN
PLANKTON
RADIATION MONITORING
RADIOACTIVE EFFLUENTS
RADIOACTIVE MATERIALS
RADIOACTIVE WASTES
RADIOACTIVITY
RADIOISOTOPES
RIVERS
SEAS
SEASONAL VARIATIONS
STREAMS
SURFACE WATERS
US DOE
US ERDA
US ORGANIZATIONS
USA
VARIATIONS
WASHINGTON
WASTES
ZINC 65
ZINC ISOTOPES