AustralieFrV1, Ncbi, Checkpoint, bibRecord, 001D19

High (36)Cl/Cl ratios in Chernobyl groundwater.

Identifieur interne : 001D19 ( Ncbi/Checkpoint ); précédent : 001D18; suivant : 001D20

High (36)Cl/Cl ratios in Chernobyl groundwater.

Auteurs : Céline Roux [France] ; Corinne Le Gal La Salle [France] ; Caroline Simonucci [France] ; Nathalie Van Meir [France] ; L Keith Fifield [Australie] ; Olivier Diez [France] ; Sylvain Bassot [France] ; Roland Simler [France] ; Dmitri Bugai [Ukraine] ; Valery Kashparov [Ukraine] ; Joël Lancelot [France]

Source :

Journal of environmental radioactivity [ 1879-1700 ] ; 2014.

RBID : pubmed:25128774

Descripteurs français

KwdFr :
- Accident nucléaire de Tchernobyl, Chlore (analyse), Contrôle des radiations, Mouvements de l'eau, Nappe phréatique (analyse), Polluants radioactifs de l'eau (analyse), Polluants radioactifs du sol (analyse), Radio-isotopes (analyse), Ukraine.
MESH :
- analyse : Chlore, Nappe phréatique, Polluants radioactifs de l'eau, Polluants radioactifs du sol, Radio-isotopes.
- Accident nucléaire de Tchernobyl, Contrôle des radiations, Mouvements de l'eau, Ukraine.
Wicri :
- geographic : Ukraine.

English descriptors

KwdEn :
- Chernobyl Nuclear Accident, Chlorine (analysis), Groundwater (analysis), Radiation Monitoring, Radioisotopes (analysis), Soil Pollutants, Radioactive (analysis), Ukraine, Water Movements, Water Pollutants, Radioactive (analysis).
MESH :
- chemical , analysis : Chlorine, Radioisotopes, Soil Pollutants, Radioactive, Water Pollutants, Radioactive.
- geographic : Ukraine.
- analysis : Groundwater.
- Chernobyl Nuclear Accident, Radiation Monitoring, Water Movements.

Abstract

After the explosion of the Chernobyl Nuclear Power Plant in April 1986, contaminated material was buried in shallow trenches within the exclusion zone. A (90)Sr plume was evidenced downgradient of one of these trenches, trench T22. Due to its conservative properties, (36)Cl is investigated here as a potential tracer to determine the maximal extent of the contamination plume from the trench in groundwater. (36)Cl/Cl ratios measured in groundwater, trench soil water and leaf leachates are 1-5 orders of magnitude higher than the theoretical natural (36)Cl/Cl ratio. This contamination occurred after the Chernobyl explosion and currently persists. Trench T22 acts as an obvious modern point source of (36)Cl, however other sources have to be involved to explain such contamination. (36)Cl contamination of groundwater can be explained by dilution of trench soil water by uncontaminated water (rainwater or deep groundwater). With a plume extending further than that of (90)Sr, radionuclide which is impacted by retention and decay processes, (36)Cl can be considered as a suitable tracer of contamination from the trench in groundwater provided that modern release processes of (36)Cl from trench soil are better characterized.

DOI: 10.1016/j.jenvrad.2014.07.008
PubMed: 25128774

Affiliations:

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Le document en format XML

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<country xml:lang="fr">France</country>
<wicri:regionArea>Aix-Marseille Université, CNRS-IRD-Collège de France, UM 34 CEREGE, Technopôle de l'Environnement Arbois-Méditerranée, BP80, 13545 Aix-en-Provence, France; Université de Nîmes, Laboratoire de Géochimie Isotopique (GIS), 150 rue George Besse, 30035 Nîmes</wicri:regionArea>
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<term>Groundwater (analysis)</term>
<term>Radiation Monitoring</term>
<term>Radioisotopes (analysis)</term>
<term>Soil Pollutants, Radioactive (analysis)</term>
<term>Ukraine</term>
<term>Water Movements</term>
<term>Water Pollutants, Radioactive (analysis)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Accident nucléaire de Tchernobyl</term>
<term>Chlore (analyse)</term>
<term>Contrôle des radiations</term>
<term>Mouvements de l'eau</term>
<term>Nappe phréatique (analyse)</term>
<term>Polluants radioactifs de l'eau (analyse)</term>
<term>Polluants radioactifs du sol (analyse)</term>
<term>Radio-isotopes (analyse)</term>
<term>Ukraine</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Chlorine</term>
<term>Radioisotopes</term>
<term>Soil Pollutants, Radioactive</term>
<term>Water Pollutants, Radioactive</term>
</keywords>
<keywords scheme="MESH" type="geographic" xml:lang="en"><term>Ukraine</term>
</keywords>
<keywords scheme="MESH" qualifier="analyse" xml:lang="fr"><term>Chlore</term>
<term>Nappe phréatique</term>
<term>Polluants radioactifs de l'eau</term>
<term>Polluants radioactifs du sol</term>
<term>Radio-isotopes</term>
</keywords>
<keywords scheme="MESH" qualifier="analysis" xml:lang="en"><term>Groundwater</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Chernobyl Nuclear Accident</term>
<term>Radiation Monitoring</term>
<term>Water Movements</term>
</keywords>
<keywords scheme="MESH" xml:lang="fr"><term>Accident nucléaire de Tchernobyl</term>
<term>Contrôle des radiations</term>
<term>Mouvements de l'eau</term>
<term>Ukraine</term>
</keywords>
<keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Ukraine</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">After the explosion of the Chernobyl Nuclear Power Plant in April 1986, contaminated material was buried in shallow trenches within the exclusion zone. A (90)Sr plume was evidenced downgradient of one of these trenches, trench T22. Due to its conservative properties, (36)Cl is investigated here as a potential tracer to determine the maximal extent of the contamination plume from the trench in groundwater. (36)Cl/Cl ratios measured in groundwater, trench soil water and leaf leachates are 1-5 orders of magnitude higher than the theoretical natural (36)Cl/Cl ratio. This contamination occurred after the Chernobyl explosion and currently persists. Trench T22 acts as an obvious modern point source of (36)Cl, however other sources have to be involved to explain such contamination. (36)Cl contamination of groundwater can be explained by dilution of trench soil water by uncontaminated water (rainwater or deep groundwater). With a plume extending further than that of (90)Sr, radionuclide which is impacted by retention and decay processes, (36)Cl can be considered as a suitable tracer of contamination from the trench in groundwater provided that modern release processes of (36)Cl from trench soil are better characterized.</div>
</front>
</TEI>
<affiliations><list><country><li>Australie</li>
<li>France</li>
<li>Ukraine</li>
</country>
<region><li>Provence-Alpes-Côte d'Azur</li>
<li>Île-de-France</li>
</region>
<settlement><li>Avignon</li>
<li>Fontenay-aux-Roses</li>
<li>Marseille</li>
</settlement>
<orgName><li>Université d'Aix-Marseille</li>
<li>Université d'Avignon</li>
</orgName>
</list>
<tree><country name="France"><region name="Île-de-France"><name sortKey="Roux, Celine" sort="Roux, Celine" uniqKey="Roux C" first="Céline" last="Roux">Céline Roux</name>
</region>
<name sortKey="Bassot, Sylvain" sort="Bassot, Sylvain" uniqKey="Bassot S" first="Sylvain" last="Bassot">Sylvain Bassot</name>
<name sortKey="Diez, Olivier" sort="Diez, Olivier" uniqKey="Diez O" first="Olivier" last="Diez">Olivier Diez</name>
<name sortKey="Lancelot, Joel" sort="Lancelot, Joel" uniqKey="Lancelot J" first="Joël" last="Lancelot">Joël Lancelot</name>
<name sortKey="Le Gal La Salle, Corinne" sort="Le Gal La Salle, Corinne" uniqKey="Le Gal La Salle C" first="Corinne" last="Le Gal La Salle">Corinne Le Gal La Salle</name>
<name sortKey="Simler, Roland" sort="Simler, Roland" uniqKey="Simler R" first="Roland" last="Simler">Roland Simler</name>
<name sortKey="Simonucci, Caroline" sort="Simonucci, Caroline" uniqKey="Simonucci C" first="Caroline" last="Simonucci">Caroline Simonucci</name>
<name sortKey="Van Meir, Nathalie" sort="Van Meir, Nathalie" uniqKey="Van Meir N" first="Nathalie" last="Van Meir">Nathalie Van Meir</name>
</country>
<country name="Australie"><noRegion><name sortKey="Fifield, L Keith" sort="Fifield, L Keith" uniqKey="Fifield L" first="L Keith" last="Fifield">L Keith Fifield</name>
</noRegion>
</country>
<country name="Ukraine"><noRegion><name sortKey="Bugai, Dmitri" sort="Bugai, Dmitri" uniqKey="Bugai D" first="Dmitri" last="Bugai">Dmitri Bugai</name>
</noRegion>
<name sortKey="Kashparov, Valery" sort="Kashparov, Valery" uniqKey="Kashparov V" first="Valery" last="Kashparov">Valery Kashparov</name>
</country>
</tree>
</affiliations>
</record>

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	Serveur d'exploration sur les relations entre la France et l'Australie
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High (36)Cl/Cl ratios in Chernobyl groundwater.

High (36)Cl/Cl ratios in Chernobyl groundwater.

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