Geochemical features of poplar leaf elemental composition in urban areas

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Abstract

Relevance of the work is caused by the necessity of obtaining new data on natural and anthropogenic geochemical processes, occurring under conditions of widespread urbanization and industrial development, the development of biogeochemical indicators to measure the impact of environmental factors on human health and urban systems. The main aim of the study is quantitative estimation of factors of natural and man-made biogeochemical peculiarities of urban system with intensive transport and industrial infrastructure based on the data of elemental analysis of poplar leaf ash. The methods used in the study: selection of poplar leaf samples on a uniform grid of 2×2, 1×1, 0,5×0,5 km; ashing the samples at 450°C with determination of ash content in accordance with GOST 26929-94; quantitative instrumental neutron activation analysis (determination of content of 28 chemical elements); empirical data processing and analysis by correlation, cluster and factor (method of principal components) analyzes, as well as with the use of indicator ratios: Th/U, La/Th, La/Lu, La/Yb, La/Sm, Ce/Nd, La+Ce/Sm+Eu, La+Ce/Yb+Lu. The results. The authors have determined the contents of some major (Na, Ca, Fe), trace, rare earth (REE) and radioactive (U, Th) elements in poplar leaf ash in some cities of Kazakhstan, southern Siberia and Far East of Russia. General character of element chemical distributions in samples follows the universal geochemical law. Biophil (Br, Zn) and specific for biological species (Au, Ag, Sr) elements are accumulated in poplar leaf ash. The authors determined the abnormal geochemical associations of elements for urban systems with different industrial specialization. It is shown that the high value of the ratio Th/U (>2) mainly reflect the impact of natural environmental factor, and low values of Th/U value (<1) are related to the influence of technogenic factors. Three different geochemical types of urban systems were allocated by the ratio of light and heavy rare earth elements. The data obtained can be used for quantitative assessment of environmental and geochemical status of the urbanized areas, to explore the formation of biogeochemical provinces, and they may also be considered to update the map of biogeochemical zoning of Russia and adjacent territories in the near future.

Original languageEnglish
Pages (from-to)25-36
Number of pages12
JournalBulletin of the Tomsk Polytechnic University, Geo Assets Engineering
Volume327
Issue number6
Publication statusPublished - 2016

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Ashes
urban system
ash
urban area
chemical element
Chemical analysis
Chemical elements
environmental factor
Zoning
Neutron activation analysis
neutron activation analysis
industrial development
Rare earth elements
Rare earths
zoning
urbanization
rare earth element
infrastructure
Health

Keywords

  • Biogeochemical indication
  • Geochemical specialization
  • Indicating ratios
  • Instrumental neutron activation analysis
  • Poplar leaf ash
  • Thorium
  • Trace and rare earth elements
  • Uranium
  • Urban system.

ASJC Scopus subject areas

  • Economic Geology
  • Geotechnical Engineering and Engineering Geology
  • Fuel Technology
  • Management, Monitoring, Policy and Law
  • Waste Management and Disposal
  • Materials Science (miscellaneous)

Cite this

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title = "Geochemical features of poplar leaf elemental composition in urban areas",
abstract = "Relevance of the work is caused by the necessity of obtaining new data on natural and anthropogenic geochemical processes, occurring under conditions of widespread urbanization and industrial development, the development of biogeochemical indicators to measure the impact of environmental factors on human health and urban systems. The main aim of the study is quantitative estimation of factors of natural and man-made biogeochemical peculiarities of urban system with intensive transport and industrial infrastructure based on the data of elemental analysis of poplar leaf ash. The methods used in the study: selection of poplar leaf samples on a uniform grid of 2×2, 1×1, 0,5×0,5 km; ashing the samples at 450°C with determination of ash content in accordance with GOST 26929-94; quantitative instrumental neutron activation analysis (determination of content of 28 chemical elements); empirical data processing and analysis by correlation, cluster and factor (method of principal components) analyzes, as well as with the use of indicator ratios: Th/U, La/Th, La/Lu, La/Yb, La/Sm, Ce/Nd, La+Ce/Sm+Eu, La+Ce/Yb+Lu. The results. The authors have determined the contents of some major (Na, Ca, Fe), trace, rare earth (REE) and radioactive (U, Th) elements in poplar leaf ash in some cities of Kazakhstan, southern Siberia and Far East of Russia. General character of element chemical distributions in samples follows the universal geochemical law. Biophil (Br, Zn) and specific for biological species (Au, Ag, Sr) elements are accumulated in poplar leaf ash. The authors determined the abnormal geochemical associations of elements for urban systems with different industrial specialization. It is shown that the high value of the ratio Th/U (>2) mainly reflect the impact of natural environmental factor, and low values of Th/U value (<1) are related to the influence of technogenic factors. Three different geochemical types of urban systems were allocated by the ratio of light and heavy rare earth elements. The data obtained can be used for quantitative assessment of environmental and geochemical status of the urbanized areas, to explore the formation of biogeochemical provinces, and they may also be considered to update the map of biogeochemical zoning of Russia and adjacent territories in the near future.",
keywords = "Biogeochemical indication, Geochemical specialization, Indicating ratios, Instrumental neutron activation analysis, Poplar leaf ash, Thorium, Trace and rare earth elements, Uranium, Urban system.",
author = "Yusupov, {Dmitry V.} and Rikhvanov, {Leonid P.} and Baranovskaya, {Natalia V.} and Yalaltdinova, {Albina R.}",
year = "2016",
language = "English",
volume = "327",
pages = "25--36",
journal = "Bulletin of the Tomsk Polytechnic University, Geo Assets Engineering",
issn = "2500-1019",
publisher = "Tomsk Polytechnic University",
number = "6",

}

TY - JOUR

T1 - Geochemical features of poplar leaf elemental composition in urban areas

AU - Yusupov, Dmitry V.

AU - Rikhvanov, Leonid P.

AU - Baranovskaya, Natalia V.

AU - Yalaltdinova, Albina R.

PY - 2016

Y1 - 2016

N2 - Relevance of the work is caused by the necessity of obtaining new data on natural and anthropogenic geochemical processes, occurring under conditions of widespread urbanization and industrial development, the development of biogeochemical indicators to measure the impact of environmental factors on human health and urban systems. The main aim of the study is quantitative estimation of factors of natural and man-made biogeochemical peculiarities of urban system with intensive transport and industrial infrastructure based on the data of elemental analysis of poplar leaf ash. The methods used in the study: selection of poplar leaf samples on a uniform grid of 2×2, 1×1, 0,5×0,5 km; ashing the samples at 450°C with determination of ash content in accordance with GOST 26929-94; quantitative instrumental neutron activation analysis (determination of content of 28 chemical elements); empirical data processing and analysis by correlation, cluster and factor (method of principal components) analyzes, as well as with the use of indicator ratios: Th/U, La/Th, La/Lu, La/Yb, La/Sm, Ce/Nd, La+Ce/Sm+Eu, La+Ce/Yb+Lu. The results. The authors have determined the contents of some major (Na, Ca, Fe), trace, rare earth (REE) and radioactive (U, Th) elements in poplar leaf ash in some cities of Kazakhstan, southern Siberia and Far East of Russia. General character of element chemical distributions in samples follows the universal geochemical law. Biophil (Br, Zn) and specific for biological species (Au, Ag, Sr) elements are accumulated in poplar leaf ash. The authors determined the abnormal geochemical associations of elements for urban systems with different industrial specialization. It is shown that the high value of the ratio Th/U (>2) mainly reflect the impact of natural environmental factor, and low values of Th/U value (<1) are related to the influence of technogenic factors. Three different geochemical types of urban systems were allocated by the ratio of light and heavy rare earth elements. The data obtained can be used for quantitative assessment of environmental and geochemical status of the urbanized areas, to explore the formation of biogeochemical provinces, and they may also be considered to update the map of biogeochemical zoning of Russia and adjacent territories in the near future.

AB - Relevance of the work is caused by the necessity of obtaining new data on natural and anthropogenic geochemical processes, occurring under conditions of widespread urbanization and industrial development, the development of biogeochemical indicators to measure the impact of environmental factors on human health and urban systems. The main aim of the study is quantitative estimation of factors of natural and man-made biogeochemical peculiarities of urban system with intensive transport and industrial infrastructure based on the data of elemental analysis of poplar leaf ash. The methods used in the study: selection of poplar leaf samples on a uniform grid of 2×2, 1×1, 0,5×0,5 km; ashing the samples at 450°C with determination of ash content in accordance with GOST 26929-94; quantitative instrumental neutron activation analysis (determination of content of 28 chemical elements); empirical data processing and analysis by correlation, cluster and factor (method of principal components) analyzes, as well as with the use of indicator ratios: Th/U, La/Th, La/Lu, La/Yb, La/Sm, Ce/Nd, La+Ce/Sm+Eu, La+Ce/Yb+Lu. The results. The authors have determined the contents of some major (Na, Ca, Fe), trace, rare earth (REE) and radioactive (U, Th) elements in poplar leaf ash in some cities of Kazakhstan, southern Siberia and Far East of Russia. General character of element chemical distributions in samples follows the universal geochemical law. Biophil (Br, Zn) and specific for biological species (Au, Ag, Sr) elements are accumulated in poplar leaf ash. The authors determined the abnormal geochemical associations of elements for urban systems with different industrial specialization. It is shown that the high value of the ratio Th/U (>2) mainly reflect the impact of natural environmental factor, and low values of Th/U value (<1) are related to the influence of technogenic factors. Three different geochemical types of urban systems were allocated by the ratio of light and heavy rare earth elements. The data obtained can be used for quantitative assessment of environmental and geochemical status of the urbanized areas, to explore the formation of biogeochemical provinces, and they may also be considered to update the map of biogeochemical zoning of Russia and adjacent territories in the near future.

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KW - Geochemical specialization

KW - Indicating ratios

KW - Instrumental neutron activation analysis

KW - Poplar leaf ash

KW - Thorium

KW - Trace and rare earth elements

KW - Uranium

KW - Urban system.

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VL - 327

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EP - 36

JO - Bulletin of the Tomsk Polytechnic University, Geo Assets Engineering

JF - Bulletin of the Tomsk Polytechnic University, Geo Assets Engineering

SN - 2500-1019

IS - 6

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