Copper concentration in the soils of the Danube floodplain between the rivers Timok and Vit northwestern Bulgaria
This paper presents an actual and overall picture of soil contamination with copper in the Bulgarian part of the Danube floodplain between the rivers Timok and Vit. Three sampling campaigns in October 2012, April 2013, and October 2017 are carried out in the frame of twostudies. The total content o...
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| Language: | English |
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European Association of Geographers
2019-01-01
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| Series: | European Journal of Geography |
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| Online Access: | https://eurogeojournal.eu/index.php/egj/article/view/182 |
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| author | Velimira STOYANOVA Tsvetan KOTSEV Georgi ZHELEZOV Michaela SIMA Erika-Andrea LEVEI |
| author_facet | Velimira STOYANOVA Tsvetan KOTSEV Georgi ZHELEZOV Michaela SIMA Erika-Andrea LEVEI |
| author_sort | Velimira STOYANOVA |
| collection | DOAJ |
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This paper presents an actual and overall picture of soil contamination with copper in the Bulgarian part of the Danube floodplain between the rivers Timok and Vit. Three sampling campaigns in October 2012, April 2013, and October 2017 are carried out in the frame of twostudies. The total content of copper is determined by atomic spectrometry in the soil fraction < .100 mm in the first study, and by X-ray fluorescence spectrometry in the soil fraction < 0.063 mm in the second survey. The copper concentration in the collected topsoil and subsoil samples ranges between 9.5 – 742.7 mg/kg with a median of 34.4 mg/kg. About 94 % of the samples exceed the background reference value, 10 % are above the maximum admissible concentration, and 3 % violate the intervention threshold. The copper content peaks in the Timok Valley and decrease downstream the Danube to nearly steady levels east of the Vidin Lowland.
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| format | Article |
| id | doaj-art-cf9c8cc0e9ac4b01967bb152af2a9b21 |
| institution | DOAJ |
| issn | 1792-1341 2410-7433 |
| language | English |
| publishDate | 2019-01-01 |
| publisher | European Association of Geographers |
| record_format | Article |
| series | European Journal of Geography |
| spelling | doaj-art-cf9c8cc0e9ac4b01967bb152af2a9b212025-08-20T02:58:19ZengEuropean Association of GeographersEuropean Journal of Geography1792-13412410-74332019-01-01102Copper concentration in the soils of the Danube floodplain between the rivers Timok and Vit northwestern BulgariaVelimira STOYANOVA Tsvetan KOTSEVGeorgi ZHELEZOVMichaela SIMA Erika-Andrea LEVEI This paper presents an actual and overall picture of soil contamination with copper in the Bulgarian part of the Danube floodplain between the rivers Timok and Vit. Three sampling campaigns in October 2012, April 2013, and October 2017 are carried out in the frame of twostudies. The total content of copper is determined by atomic spectrometry in the soil fraction < .100 mm in the first study, and by X-ray fluorescence spectrometry in the soil fraction < 0.063 mm in the second survey. The copper concentration in the collected topsoil and subsoil samples ranges between 9.5 – 742.7 mg/kg with a median of 34.4 mg/kg. About 94 % of the samples exceed the background reference value, 10 % are above the maximum admissible concentration, and 3 % violate the intervention threshold. The copper content peaks in the Timok Valley and decrease downstream the Danube to nearly steady levels east of the Vidin Lowland. https://eurogeojournal.eu/index.php/egj/article/view/182Lower Danube, Danube’s lowlands, heavy metals, wetland pollution |
| spellingShingle | Velimira STOYANOVA Tsvetan KOTSEV Georgi ZHELEZOV Michaela SIMA Erika-Andrea LEVEI Copper concentration in the soils of the Danube floodplain between the rivers Timok and Vit northwestern Bulgaria European Journal of Geography Lower Danube, Danube’s lowlands, heavy metals, wetland pollution |
| title | Copper concentration in the soils of the Danube floodplain between the rivers Timok and Vit northwestern Bulgaria |
| title_full | Copper concentration in the soils of the Danube floodplain between the rivers Timok and Vit northwestern Bulgaria |
| title_fullStr | Copper concentration in the soils of the Danube floodplain between the rivers Timok and Vit northwestern Bulgaria |
| title_full_unstemmed | Copper concentration in the soils of the Danube floodplain between the rivers Timok and Vit northwestern Bulgaria |
| title_short | Copper concentration in the soils of the Danube floodplain between the rivers Timok and Vit northwestern Bulgaria |
| title_sort | copper concentration in the soils of the danube floodplain between the rivers timok and vit northwestern bulgaria |
| topic | Lower Danube, Danube’s lowlands, heavy metals, wetland pollution |
| url | https://eurogeojournal.eu/index.php/egj/article/view/182 |
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