The impact of trace metals in marine sediments after a tailing dam failure: the Fundão dam case (Brazil)
The present study deals with one of the worst environmental disasters in Brazil so far, the failure of the Fundão tailing dam in the city of Mariana (MG) in 2015. The disaster released over 39.2 million cubic meters of iron ore mining tailings into the Doce River, reaching the southeast coast of Bra...
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| Veröffentlicht in: | Environmental earth sciences 2021-09, Vol.80 (17), Article 571 |
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| creator | Quaresma, V. S. Aguiar, V. M. C. Bastos, A. C. Oliveira, K. S. Vieira, F. V. Sá, F. Baptista Neto, J. A. |
| description | The present study deals with one of the worst environmental disasters in Brazil so far, the failure of the Fundão tailing dam in the city of Mariana (MG) in 2015. The disaster released over 39.2 million cubic meters of iron ore mining tailings into the Doce River, reaching the southeast coast of Brazil. Data from trace metals and iron in seafloor sediments from Espírito Santo Continental Shelf (ESCS) were evaluated before the disaster and 1 year and 6 months after it. Results revealed contamination of shelf sediments with Zn, Pb, Ni, Cr, Cu and Fe before the disaster, and a noticeable increase in concentrations after the dam failure. Post-disaster, values of geoaccumulation index (
NI
geo
) for Zn and Fe as high as 8 and 25 were reached, respectively, classifying the samples as extremely polluted. The modified degree of contamination (
mC
d
) values surpassed 32 at many stations which are classified as ultrahigh contaminated. The study also documents the increase of fine material deposition in the study area. Grain size trend analysis (GSTA) corroborated the increase of metal concentrations and
mC
d
values toward the north of Doce River mouth and also at MPA—Costa das Algas. |
| doi_str_mv | 10.1007/s12665-021-09817-x |
| format | Article |
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NI
geo
) for Zn and Fe as high as 8 and 25 were reached, respectively, classifying the samples as extremely polluted. The modified degree of contamination (
mC
d
) values surpassed 32 at many stations which are classified as ultrahigh contaminated. The study also documents the increase of fine material deposition in the study area. Grain size trend analysis (GSTA) corroborated the increase of metal concentrations and
mC
d
values toward the north of Doce River mouth and also at MPA—Costa das Algas.</description><identifier>ISSN: 1866-6280</identifier><identifier>EISSN: 1866-6299</identifier><identifier>DOI: 10.1007/s12665-021-09817-x</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Biogeosciences ; Chromium ; Contamination ; Continental shelves ; Copper ; Dam failure ; Dams ; Disasters ; Earth and Environmental Science ; Earth Sciences ; Environmental Science and Engineering ; Failure ; Geochemistry ; Geology ; Grain size ; Heavy metals ; Hydrology/Water Resources ; Iron ; Iron ores ; Marine sediments ; Metal concentrations ; Mine tailings ; Mine wastes ; Nickel ; Ocean floor ; Original Article ; River mouth ; River mouths ; Rivers ; Sediment ; Sediments ; Tailings ; Terrestrial Pollution ; Trace metals ; Trend analysis ; Zinc</subject><ispartof>Environmental earth sciences, 2021-09, Vol.80 (17), Article 571</ispartof><rights>The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2021</rights><rights>The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2021.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a342t-d036398ad39d2102968d387d6498a8f96239bede61a69df85f2f9af817e2e73</citedby><cites>FETCH-LOGICAL-a342t-d036398ad39d2102968d387d6498a8f96239bede61a69df85f2f9af817e2e73</cites><orcidid>0000-0002-1272-1134</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s12665-021-09817-x$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s12665-021-09817-x$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Quaresma, V. S.</creatorcontrib><creatorcontrib>Aguiar, V. M. C.</creatorcontrib><creatorcontrib>Bastos, A. C.</creatorcontrib><creatorcontrib>Oliveira, K. S.</creatorcontrib><creatorcontrib>Vieira, F. V.</creatorcontrib><creatorcontrib>Sá, F.</creatorcontrib><creatorcontrib>Baptista Neto, J. A.</creatorcontrib><title>The impact of trace metals in marine sediments after a tailing dam failure: the Fundão dam case (Brazil)</title><title>Environmental earth sciences</title><addtitle>Environ Earth Sci</addtitle><description>The present study deals with one of the worst environmental disasters in Brazil so far, the failure of the Fundão tailing dam in the city of Mariana (MG) in 2015. The disaster released over 39.2 million cubic meters of iron ore mining tailings into the Doce River, reaching the southeast coast of Brazil. Data from trace metals and iron in seafloor sediments from Espírito Santo Continental Shelf (ESCS) were evaluated before the disaster and 1 year and 6 months after it. Results revealed contamination of shelf sediments with Zn, Pb, Ni, Cr, Cu and Fe before the disaster, and a noticeable increase in concentrations after the dam failure. Post-disaster, values of geoaccumulation index (
NI
geo
) for Zn and Fe as high as 8 and 25 were reached, respectively, classifying the samples as extremely polluted. The modified degree of contamination (
mC
d
) values surpassed 32 at many stations which are classified as ultrahigh contaminated. The study also documents the increase of fine material deposition in the study area. Grain size trend analysis (GSTA) corroborated the increase of metal concentrations and
mC
d
values toward the north of Doce River mouth and also at MPA—Costa das Algas.</description><subject>Biogeosciences</subject><subject>Chromium</subject><subject>Contamination</subject><subject>Continental shelves</subject><subject>Copper</subject><subject>Dam failure</subject><subject>Dams</subject><subject>Disasters</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Environmental Science and Engineering</subject><subject>Failure</subject><subject>Geochemistry</subject><subject>Geology</subject><subject>Grain size</subject><subject>Heavy metals</subject><subject>Hydrology/Water Resources</subject><subject>Iron</subject><subject>Iron ores</subject><subject>Marine sediments</subject><subject>Metal concentrations</subject><subject>Mine tailings</subject><subject>Mine wastes</subject><subject>Nickel</subject><subject>Ocean floor</subject><subject>Original Article</subject><subject>River mouth</subject><subject>River mouths</subject><subject>Rivers</subject><subject>Sediment</subject><subject>Sediments</subject><subject>Tailings</subject><subject>Terrestrial Pollution</subject><subject>Trace metals</subject><subject>Trend analysis</subject><subject>Zinc</subject><issn>1866-6280</issn><issn>1866-6299</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9UE1LAzEQDaJgqf0DngJe9LCaj2428abFqlDwYO8hbiY1pbtbkyxU_44_xT9mdEVvzmHmMTPvDfMQOqbknBJSXUTKhCgLwmhBlKRVsdtDIyqFKARTav8XS3KIJjGuSQ5OuSJihPzyGbBvtqZOuHM4BVMDbiCZTcS-xY0JvgUcwfoG2hSxcQkCNjgZv_HtClvTYJdxH-ASp6w171v78d59D2oTAZ9eB_PmN2dH6MBlVZj81DF6nN8sZ3fF4uH2fna1KAyfslRYwgVX0liuLKOEKSEtl5UV09yUTgnG1RNYENQIZZ0sHXPKuPw2MKj4GJ0MqtvQvfQQk153fWjzQc3KzBUly3mM2LBVhy7GAE5vg8-_vmpK9JenevBUZ0_1t6d6l0l8IMW83K4g_En_w_oE5gJ54w</recordid><startdate>20210901</startdate><enddate>20210901</enddate><creator>Quaresma, V. 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S.</au><au>Aguiar, V. M. C.</au><au>Bastos, A. C.</au><au>Oliveira, K. S.</au><au>Vieira, F. V.</au><au>Sá, F.</au><au>Baptista Neto, J. A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The impact of trace metals in marine sediments after a tailing dam failure: the Fundão dam case (Brazil)</atitle><jtitle>Environmental earth sciences</jtitle><stitle>Environ Earth Sci</stitle><date>2021-09-01</date><risdate>2021</risdate><volume>80</volume><issue>17</issue><artnum>571</artnum><issn>1866-6280</issn><eissn>1866-6299</eissn><abstract>The present study deals with one of the worst environmental disasters in Brazil so far, the failure of the Fundão tailing dam in the city of Mariana (MG) in 2015. The disaster released over 39.2 million cubic meters of iron ore mining tailings into the Doce River, reaching the southeast coast of Brazil. Data from trace metals and iron in seafloor sediments from Espírito Santo Continental Shelf (ESCS) were evaluated before the disaster and 1 year and 6 months after it. Results revealed contamination of shelf sediments with Zn, Pb, Ni, Cr, Cu and Fe before the disaster, and a noticeable increase in concentrations after the dam failure. Post-disaster, values of geoaccumulation index (
NI
geo
) for Zn and Fe as high as 8 and 25 were reached, respectively, classifying the samples as extremely polluted. The modified degree of contamination (
mC
d
) values surpassed 32 at many stations which are classified as ultrahigh contaminated. The study also documents the increase of fine material deposition in the study area. Grain size trend analysis (GSTA) corroborated the increase of metal concentrations and
mC
d
values toward the north of Doce River mouth and also at MPA—Costa das Algas.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s12665-021-09817-x</doi><orcidid>https://orcid.org/0000-0002-1272-1134</orcidid></addata></record> |
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| ispartof | Environmental earth sciences, 2021-09, Vol.80 (17), Article 571 |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Biogeosciences Chromium Contamination Continental shelves Copper Dam failure Dams Disasters Earth and Environmental Science Earth Sciences Environmental Science and Engineering Failure Geochemistry Geology Grain size Heavy metals Hydrology/Water Resources Iron Iron ores Marine sediments Metal concentrations Mine tailings Mine wastes Nickel Ocean floor Original Article River mouth River mouths Rivers Sediment Sediments Tailings Terrestrial Pollution Trace metals Trend analysis Zinc |
| title | The impact of trace metals in marine sediments after a tailing dam failure: the Fundão dam case (Brazil) |
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