High activity concentrations of (210)Pb and (7)Be in sediments and their histories
High activity concentrations of (210)Pb and (7)Be, in addition to (137)Cs, were found in a rooftop deposit in Japan. This deposit had activities of about 5 Bq/g from (210)Pb and 3.6 Bq/g from (7)Be, an order of magnitude greater than typically found in field soils and lake and sea bottom sediments....
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| Veröffentlicht in: | Journal of environmental radioactivity 2013-10, Vol.124, p.44-49 |
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| container_title | Journal of environmental radioactivity |
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| creator | Kanai, Yutaka |
| description | High activity concentrations of (210)Pb and (7)Be, in addition to (137)Cs, were found in a rooftop deposit in Japan. This deposit had activities of about 5 Bq/g from (210)Pb and 3.6 Bq/g from (7)Be, an order of magnitude greater than typically found in field soils and lake and sea bottom sediments. It is clear that under certain conditions aerosol particles can accumulate in deposits with little or no mixing and dilution by silicate materials, and that subsequent processes and factors result in a heterogeneous distribution pattern of activity concentration on the Earth's surface. A simple model suggests that the history of an environmental sample can be estimated by using the activities of (210)Pb and (7)Be. |
| doi_str_mv | 10.1016/j.jenvrad.2013.03.009 |
| format | Article |
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This deposit had activities of about 5 Bq/g from (210)Pb and 3.6 Bq/g from (7)Be, an order of magnitude greater than typically found in field soils and lake and sea bottom sediments. It is clear that under certain conditions aerosol particles can accumulate in deposits with little or no mixing and dilution by silicate materials, and that subsequent processes and factors result in a heterogeneous distribution pattern of activity concentration on the Earth's surface. A simple model suggests that the history of an environmental sample can be estimated by using the activities of (210)Pb and (7)Be.</description><identifier>EISSN: 1879-1700</identifier><identifier>DOI: 10.1016/j.jenvrad.2013.03.009</identifier><identifier>PMID: 23639694</identifier><language>eng</language><publisher>England</publisher><subject>Beryllium - analysis ; Fukushima Nuclear Accident ; Geologic Sediments - analysis ; Japan ; Lead Radioisotopes - analysis ; Radiation Monitoring ; Radioisotopes - analysis ; Soil - analysis ; Soil Pollutants, Radioactive - analysis</subject><ispartof>Journal of environmental radioactivity, 2013-10, Vol.124, p.44-49</ispartof><rights>Copyright © 2013 Elsevier Ltd. 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This deposit had activities of about 5 Bq/g from (210)Pb and 3.6 Bq/g from (7)Be, an order of magnitude greater than typically found in field soils and lake and sea bottom sediments. It is clear that under certain conditions aerosol particles can accumulate in deposits with little or no mixing and dilution by silicate materials, and that subsequent processes and factors result in a heterogeneous distribution pattern of activity concentration on the Earth's surface. A simple model suggests that the history of an environmental sample can be estimated by using the activities of (210)Pb and (7)Be.</description><subject>Beryllium - analysis</subject><subject>Fukushima Nuclear Accident</subject><subject>Geologic Sediments - analysis</subject><subject>Japan</subject><subject>Lead Radioisotopes - analysis</subject><subject>Radiation Monitoring</subject><subject>Radioisotopes - analysis</subject><subject>Soil - analysis</subject><subject>Soil Pollutants, Radioactive - analysis</subject><issn>1879-1700</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo1kNFKwzAUhoMgbk4fQclld9Gak6TJcqlDnTBQRK9Lmpy5jLWdTTbY21t0woH_8PPxcTiE3AArgIG62xQbbA-99QVnIAo2DDNnZAwzbXLQjI3IZYwbxoZ9xi_IiAsljDJyTN4X4WtNrUvhENKRuq512KbeptC1kXYrmnFg07ea2tbTTE8fkIaWRvShGbj4W6c1hp6uQ0xdHzBekfOV3Ua8PuWEfD49fswX-fL1-WV-v8wtSJNyUGiHa52yduZBSVuq2ggwomTaKe-dL4VGRC2k8IbrFQeteF3WzJel4iAmJPvz7vrue48xVU2IDrdb22K3jxXIQSYl6HJAb0_ovm7QV7s-NLY_Vv9_ED-ogl2e</recordid><startdate>201310</startdate><enddate>201310</enddate><creator>Kanai, Yutaka</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>201310</creationdate><title>High activity concentrations of (210)Pb and (7)Be in sediments and their histories</title><author>Kanai, Yutaka</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a149t-16ea013c6aa8d164a56b93193507c6ddcd537eee7343d927f21762b5b0d556213</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Beryllium - analysis</topic><topic>Fukushima Nuclear Accident</topic><topic>Geologic Sediments - analysis</topic><topic>Japan</topic><topic>Lead Radioisotopes - analysis</topic><topic>Radiation Monitoring</topic><topic>Radioisotopes - analysis</topic><topic>Soil - analysis</topic><topic>Soil Pollutants, Radioactive - analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kanai, Yutaka</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of environmental radioactivity</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kanai, Yutaka</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>High activity concentrations of (210)Pb and (7)Be in sediments and their histories</atitle><jtitle>Journal of environmental radioactivity</jtitle><addtitle>J Environ Radioact</addtitle><date>2013-10</date><risdate>2013</risdate><volume>124</volume><spage>44</spage><epage>49</epage><pages>44-49</pages><eissn>1879-1700</eissn><abstract>High activity concentrations of (210)Pb and (7)Be, in addition to (137)Cs, were found in a rooftop deposit in Japan. This deposit had activities of about 5 Bq/g from (210)Pb and 3.6 Bq/g from (7)Be, an order of magnitude greater than typically found in field soils and lake and sea bottom sediments. It is clear that under certain conditions aerosol particles can accumulate in deposits with little or no mixing and dilution by silicate materials, and that subsequent processes and factors result in a heterogeneous distribution pattern of activity concentration on the Earth's surface. A simple model suggests that the history of an environmental sample can be estimated by using the activities of (210)Pb and (7)Be.</abstract><cop>England</cop><pmid>23639694</pmid><doi>10.1016/j.jenvrad.2013.03.009</doi><tpages>6</tpages></addata></record> |
| fulltext | fulltext |
| identifier | EISSN: 1879-1700 |
| ispartof | Journal of environmental radioactivity, 2013-10, Vol.124, p.44-49 |
| issn | 1879-1700 |
| language | eng |
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| source | MEDLINE; Access via ScienceDirect (Elsevier) |
| subjects | Beryllium - analysis Fukushima Nuclear Accident Geologic Sediments - analysis Japan Lead Radioisotopes - analysis Radiation Monitoring Radioisotopes - analysis Soil - analysis Soil Pollutants, Radioactive - analysis |
| title | High activity concentrations of (210)Pb and (7)Be in sediments and their histories |
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