Iodine-129 Time Series in Danish, Norwegian and Northwest Greenland Coast and the Baltic Sea by Seaweed
The concentrations of129I and127I were determined in archived time series seaweed samples from Klint in the Kattegat, Bornholm in the Baltic Sea, Roskilde Fjord in Zealand of Denmark, Utsira in the western Norwegian coast and NW Greenland by neutron activation analysis. The results indicate that the...
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| Veröffentlicht in: | Estuarine, coastal and shelf science coastal and shelf science, 2000-11, Vol.51 (5), p.571-584 |
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| creator | Hou, X.L. Dahlgaard, H. Nielsen, S.P. |
| description | The concentrations of129I and127I were determined in archived time series seaweed samples from Klint in the Kattegat, Bornholm in the Baltic Sea, Roskilde Fjord in Zealand of Denmark, Utsira in the western Norwegian coast and NW Greenland by neutron activation analysis. The results indicate that the129I levels in all locations investigated are one to three orders of magnitude higher than the fall-out background and strongly dominated by the discharges from reprocessing facilities at La Hague and Sellafield. The129I/99Tc ratio is applied to estimate the origin of and transit times of129I. Transit times of129I are estimated to be 1–2 years from La Hague to Klint and Utsira and 9–14 years to NW Greenland. Transfer factors of129I are calculated to be 54yrm−3from La Hague to Klint, 60yrm−3to Utsira and 1·2yrm−3to NW Greenland. Based on the estimated transit times, transfer factors and annual discharge data of radionulides from the reprocessing facilities, the variations of129I concentrations and129I/99Tc and129I/137Cs ratios are modelled. Except129I/137Cs, others are in a good agreement between the modelled and measured values. |
| doi_str_mv | 10.1006/ecss.2000.0698 |
| format | Article |
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The results indicate that the129I levels in all locations investigated are one to three orders of magnitude higher than the fall-out background and strongly dominated by the discharges from reprocessing facilities at La Hague and Sellafield. The129I/99Tc ratio is applied to estimate the origin of and transit times of129I. Transit times of129I are estimated to be 1–2 years from La Hague to Klint and Utsira and 9–14 years to NW Greenland. Transfer factors of129I are calculated to be 54yrm−3from La Hague to Klint, 60yrm−3to Utsira and 1·2yrm−3to NW Greenland. Based on the estimated transit times, transfer factors and annual discharge data of radionulides from the reprocessing facilities, the variations of129I concentrations and129I/99Tc and129I/137Cs ratios are modelled. Except129I/137Cs, others are in a good agreement between the modelled and measured values.</description><identifier>ISSN: 0272-7714</identifier><identifier>EISSN: 1096-0015</identifier><identifier>DOI: 10.1006/ecss.2000.0698</identifier><identifier>CODEN: ECSSD3</identifier><language>eng</language><publisher>London: Elsevier Ltd</publisher><subject>Animal, plant and microbial ecology ; Applied ecology ; Baltic Sea ; Biological and medical sciences ; Denmark coast ; Ecotoxicology, biological effects of pollution ; Fundamental and applied biological sciences. 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The results indicate that the129I levels in all locations investigated are one to three orders of magnitude higher than the fall-out background and strongly dominated by the discharges from reprocessing facilities at La Hague and Sellafield. The129I/99Tc ratio is applied to estimate the origin of and transit times of129I. Transit times of129I are estimated to be 1–2 years from La Hague to Klint and Utsira and 9–14 years to NW Greenland. Transfer factors of129I are calculated to be 54yrm−3from La Hague to Klint, 60yrm−3to Utsira and 1·2yrm−3to NW Greenland. Based on the estimated transit times, transfer factors and annual discharge data of radionulides from the reprocessing facilities, the variations of129I concentrations and129I/99Tc and129I/137Cs ratios are modelled. Except129I/137Cs, others are in a good agreement between the modelled and measured values.</description><subject>Animal, plant and microbial ecology</subject><subject>Applied ecology</subject><subject>Baltic Sea</subject><subject>Biological and medical sciences</subject><subject>Denmark coast</subject><subject>Ecotoxicology, biological effects of pollution</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Greenland coast</subject><subject>iodine-129</subject><subject>Marine</subject><subject>Marine and brackish environment</subject><subject>radioactive tracers</subject><subject>seaweed</subject><subject>time series</subject><subject>transport</subject><issn>0272-7714</issn><issn>1096-0015</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><recordid>eNqFkMtLxDAQh4MouD6ungOCJ7tO0jZpj7o-QfTgeg55THcj3VaT6rL_vSkr3sTTZIZvfhk-Qk4YTBmAuEAb45QDwBREXe2QCYNaZACs3CUT4JJnUrJinxzE-JamrMz5hCweeuc7zBiv6dyvkL5g8Bip7-i17nxcntOnPqxx4XVHdefGbliuMQ70LiB27Tib9Tr142tYIr3S7eBtCtLUbMayRnRHZK_RbcTjn3pIXm9v5rP77PH57mF2-ZjZXIohQ-FyqzWUpsCycVbnxpi6QcfKRkgpeGNqsLXBxDhrUFo0DcjcghYVr2R-SM62ue-h__hMZ6qVjxbbdCf2n1ExWXHOa_gfLErBC8gTON2CNvQxBmzUe_ArHTaKgRrFq1G8GsWrUXxaOP1J1tHqtgm6sz7-btWslFAkqtpSmGx8eQwqWo-dRecD2kG53v_1wTcbUZbO</recordid><startdate>20001101</startdate><enddate>20001101</enddate><creator>Hou, X.L.</creator><creator>Dahlgaard, H.</creator><creator>Nielsen, S.P.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>C1K</scope><scope>SOI</scope><scope>7TN</scope><scope>F1W</scope><scope>H97</scope><scope>L.G</scope></search><sort><creationdate>20001101</creationdate><title>Iodine-129 Time Series in Danish, Norwegian and Northwest Greenland Coast and the Baltic Sea by Seaweed</title><author>Hou, X.L. ; Dahlgaard, H. ; Nielsen, S.P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c376t-e6d3caa05b4e5fdca3bbb9fed15f67762fb90c9beaa0dcbe7cebf073c0a682873</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Animal, plant and microbial ecology</topic><topic>Applied ecology</topic><topic>Baltic Sea</topic><topic>Biological and medical sciences</topic><topic>Denmark coast</topic><topic>Ecotoxicology, biological effects of pollution</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Greenland coast</topic><topic>iodine-129</topic><topic>Marine</topic><topic>Marine and brackish environment</topic><topic>radioactive tracers</topic><topic>seaweed</topic><topic>time series</topic><topic>transport</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hou, X.L.</creatorcontrib><creatorcontrib>Dahlgaard, H.</creatorcontrib><creatorcontrib>Nielsen, S.P.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><collection>Oceanic Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Estuarine, coastal and shelf science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hou, X.L.</au><au>Dahlgaard, H.</au><au>Nielsen, S.P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Iodine-129 Time Series in Danish, Norwegian and Northwest Greenland Coast and the Baltic Sea by Seaweed</atitle><jtitle>Estuarine, coastal and shelf science</jtitle><date>2000-11-01</date><risdate>2000</risdate><volume>51</volume><issue>5</issue><spage>571</spage><epage>584</epage><pages>571-584</pages><issn>0272-7714</issn><eissn>1096-0015</eissn><coden>ECSSD3</coden><abstract>The concentrations of129I and127I were determined in archived time series seaweed samples from Klint in the Kattegat, Bornholm in the Baltic Sea, Roskilde Fjord in Zealand of Denmark, Utsira in the western Norwegian coast and NW Greenland by neutron activation analysis. The results indicate that the129I levels in all locations investigated are one to three orders of magnitude higher than the fall-out background and strongly dominated by the discharges from reprocessing facilities at La Hague and Sellafield. The129I/99Tc ratio is applied to estimate the origin of and transit times of129I. Transit times of129I are estimated to be 1–2 years from La Hague to Klint and Utsira and 9–14 years to NW Greenland. Transfer factors of129I are calculated to be 54yrm−3from La Hague to Klint, 60yrm−3to Utsira and 1·2yrm−3to NW Greenland. Based on the estimated transit times, transfer factors and annual discharge data of radionulides from the reprocessing facilities, the variations of129I concentrations and129I/99Tc and129I/137Cs ratios are modelled. Except129I/137Cs, others are in a good agreement between the modelled and measured values.</abstract><cop>London</cop><pub>Elsevier Ltd</pub><doi>10.1006/ecss.2000.0698</doi><tpages>14</tpages></addata></record> |
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| identifier | ISSN: 0272-7714 |
| ispartof | Estuarine, coastal and shelf science, 2000-11, Vol.51 (5), p.571-584 |
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| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Animal, plant and microbial ecology Applied ecology Baltic Sea Biological and medical sciences Denmark coast Ecotoxicology, biological effects of pollution Fundamental and applied biological sciences. Psychology Greenland coast iodine-129 Marine Marine and brackish environment radioactive tracers seaweed time series transport |
| title | Iodine-129 Time Series in Danish, Norwegian and Northwest Greenland Coast and the Baltic Sea by Seaweed |
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