Release of Trace Elements in Wetlands: Role of Seasonal Variability
Dissolved concentrations were determined for Fe, Mn, Al, Cu, Zn, La, U, Th, Cd and As in a wetland and its recipient stream to reveal the effect of seasonal changes in environmental conditions on the cycling and transfer of trace elements at the transition between terrestrial and aquatic ecosystems....
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| Veröffentlicht in: | Water research (Oxford) 2001-03, Vol.35 (4), p.943-952 |
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| creator | Olivie-Lauquet, Gwenaelle Gruau, Gerard Dia, Aline Riou, Christine Jaffrezic, Anne Henin, Odile |
| description | Dissolved concentrations were determined for Fe, Mn, Al, Cu, Zn, La, U, Th, Cd and As in a wetland and its recipient stream to reveal the effect of seasonal changes in environmental conditions on the cycling and transfer of trace elements at the transition between terrestrial and aquatic ecosystems. These preliminary results from the wetland show marked seasonal changes in dissolved concentration for all elements except Zn and Cu. Concentrations are found to be low until about mid-February and then increase abruptly. The onset of trace element release appears to coincide with a marked decline in redox potential and increase of organic carbon content. Because this decline is itself correlated with a pronounced increase in temperature and dissolved Fe, Mn and organic carbon content, we suggest that the microorganisms which use soil iron and manganese oxy-hydroxides as electron acceptors catalyzed the change in redox conditions and induced an increase of DOC. Temporal changes were also observed in the recipient stream which showed marked positive concentration peaks during stormflow events (except Zn). The seasonal processes occurring in the wetland appear to play a major role in determining the amount of trace elements which are transferred from the wetland to the river. |
| doi_str_mv | 10.1016/S0043-1354(00)00328-6 |
| format | Article |
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These preliminary results from the wetland show marked seasonal changes in dissolved concentration for all elements except Zn and Cu. Concentrations are found to be low until about mid-February and then increase abruptly. The onset of trace element release appears to coincide with a marked decline in redox potential and increase of organic carbon content. Because this decline is itself correlated with a pronounced increase in temperature and dissolved Fe, Mn and organic carbon content, we suggest that the microorganisms which use soil iron and manganese oxy-hydroxides as electron acceptors catalyzed the change in redox conditions and induced an increase of DOC. Temporal changes were also observed in the recipient stream which showed marked positive concentration peaks during stormflow events (except Zn). The seasonal processes occurring in the wetland appear to play a major role in determining the amount of trace elements which are transferred from the wetland to the river.</description><identifier>ISSN: 0043-1354</identifier><identifier>EISSN: 1879-2448</identifier><identifier>DOI: 10.1016/S0043-1354(00)00328-6</identifier><identifier>PMID: 11235890</identifier><identifier>CODEN: WATRAG</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Applied sciences ; Continental surface waters ; Copper - analysis ; Earth Sciences ; Earth, ocean, space ; Ecosystem ; Engineering and environment geology. Geothermics ; Exact sciences and technology ; France ; Fresh Water - analysis ; Fresh Water - microbiology ; Geologic Sediments - analysis ; Geologic Sediments - microbiology ; Hydrology ; Ligands ; Natural water pollution ; Oxidation-Reduction ; Pollution ; Pollution, environment geology ; Sciences of the Universe ; Seasons ; Trace Elements - analysis ; trace elements, dissolved organic carbon, wetlands, redox conditions ; Water treatment and pollution ; Zinc - analysis</subject><ispartof>Water research (Oxford), 2001-03, Vol.35 (4), p.943-952</ispartof><rights>2001 Elsevier Science Ltd</rights><rights>2001 INIST-CNRS</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c486t-64ab174c6bc585e39235725fff7d390cc864eba5c7df03b6b873c0d6c8a5184e3</citedby><orcidid>0000-0002-9811-748X ; 0000-0003-3455-2738</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/S0043-1354(00)00328-6$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,780,784,885,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1107588$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/11235890$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://hal.inrae.fr/hal-02678617$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Olivie-Lauquet, Gwenaelle</creatorcontrib><creatorcontrib>Gruau, Gerard</creatorcontrib><creatorcontrib>Dia, Aline</creatorcontrib><creatorcontrib>Riou, Christine</creatorcontrib><creatorcontrib>Jaffrezic, Anne</creatorcontrib><creatorcontrib>Henin, Odile</creatorcontrib><title>Release of Trace Elements in Wetlands: Role of Seasonal Variability</title><title>Water research (Oxford)</title><addtitle>Water Res</addtitle><description>Dissolved concentrations were determined for Fe, Mn, Al, Cu, Zn, La, U, Th, Cd and As in a wetland and its recipient stream to reveal the effect of seasonal changes in environmental conditions on the cycling and transfer of trace elements at the transition between terrestrial and aquatic ecosystems. These preliminary results from the wetland show marked seasonal changes in dissolved concentration for all elements except Zn and Cu. Concentrations are found to be low until about mid-February and then increase abruptly. The onset of trace element release appears to coincide with a marked decline in redox potential and increase of organic carbon content. Because this decline is itself correlated with a pronounced increase in temperature and dissolved Fe, Mn and organic carbon content, we suggest that the microorganisms which use soil iron and manganese oxy-hydroxides as electron acceptors catalyzed the change in redox conditions and induced an increase of DOC. Temporal changes were also observed in the recipient stream which showed marked positive concentration peaks during stormflow events (except Zn). The seasonal processes occurring in the wetland appear to play a major role in determining the amount of trace elements which are transferred from the wetland to the river.</description><subject>Applied sciences</subject><subject>Continental surface waters</subject><subject>Copper - analysis</subject><subject>Earth Sciences</subject><subject>Earth, ocean, space</subject><subject>Ecosystem</subject><subject>Engineering and environment geology. 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These preliminary results from the wetland show marked seasonal changes in dissolved concentration for all elements except Zn and Cu. Concentrations are found to be low until about mid-February and then increase abruptly. The onset of trace element release appears to coincide with a marked decline in redox potential and increase of organic carbon content. Because this decline is itself correlated with a pronounced increase in temperature and dissolved Fe, Mn and organic carbon content, we suggest that the microorganisms which use soil iron and manganese oxy-hydroxides as electron acceptors catalyzed the change in redox conditions and induced an increase of DOC. Temporal changes were also observed in the recipient stream which showed marked positive concentration peaks during stormflow events (except Zn). 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| ispartof | Water research (Oxford), 2001-03, Vol.35 (4), p.943-952 |
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| subjects | Applied sciences Continental surface waters Copper - analysis Earth Sciences Earth, ocean, space Ecosystem Engineering and environment geology. Geothermics Exact sciences and technology France Fresh Water - analysis Fresh Water - microbiology Geologic Sediments - analysis Geologic Sediments - microbiology Hydrology Ligands Natural water pollution Oxidation-Reduction Pollution Pollution, environment geology Sciences of the Universe Seasons Trace Elements - analysis trace elements, dissolved organic carbon, wetlands, redox conditions Water treatment and pollution Zinc - analysis |
| title | Release of Trace Elements in Wetlands: Role of Seasonal Variability |
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