Linked Life Data

14987709

Source:http://linkedlifedata.com/resource/pubmed/id/14987709

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2-4
pubmed:dateCreated
2004-2-27
pubmed:abstractText
Over the past 50 years, nuclear weapons' tests and releases from the nuclear industry have introduced anthropogenic plutonium into the environment. In the Arctic environment, the main source of plutonium is from the atmospheric weapons testing, but previous studies of plutonium in the Kara Sea have shown that, at certain sites, other releases can give rise to enhanced local concentrations. The present paper presents results from determination of plutonium concentrations and isotope ratios in the sediment samples collected during various expeditions to the Kara Sea, the Ob and Yenisey estuaries and their river systems. The data indicated a clear influence from a low 240Pu:239Pu source in surface sediments collected from the Yenisey estuary, whereas plutonium in Ob estuary sediments is dominated by global fallout. The results also show an increase in plutonium concentration (from 0.003 to 11Bq/kg) and a decrease in 240Pu:239Pu isotope ratio (from 0.16 to 0.05) going upstream from the Yenisey estuary towards the nuclear installation at Krashnoyarsk.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
0969-8043
pubmed:author
pubmed:issnType
Print
pubmed:volume
60
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
589-93
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:articleTitle
Plutonium isotope ratios in the Yenisey and Ob estuaries.
pubmed:affiliation
Isotope Laboratory, Department of Plant - and Environmental Sciences, Agricultural University of Norway, P.O. Box 5003, Aas N-1432, Norway. lindis.skipperud@ipm.nlh.no
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't, Evaluation Studies