Effects of land use on the spatial distribution of trace metals and volatile organic compounds in urban groundwater, Seoul, Korea

Seong Sook Park, Soon Oh Kim, Seong Taek Yun, Gi Tak Chae, Soon Young Yu, Seungki Kim, Young Kim

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

To investigate the urban groundwater contamination by eight trace metals and 69 volatile organic compounds (VOCs) in relation to land use in Seoul, a total of 57 groundwater samples collected from wells were examined using a non-parametric statistical analysis. Land use was classified into five categories: less-developed, residential, agricultural, traffic, and industrial. A comparison of analyzed data with US EPA and Korean standards for drinking water showed that some metals and VOCs exceeded the standards in a few localities, such as Fe (N=5), Mn (N=6), Cu (N=1), TCE (N=6), PCE (N=8), 1,2-DCA (N=1), and 1,2-dichloropropane (N=1). Among the 69 investigated VOCs, 19 compounds such as some gasoline-related compounds (e.g., toluene) and chlorinated compounds (e.g., chloroform, PCE, TCE) were detected in groundwater. Non-parametric statistical analysis showed that the concentrations of most trace metals (Fe, Mn, As, Cr, Pb, Cd) and some VOCs (especially, TCE, PCE, chloroform; toluene, carbon tetrachloride, bromodichloromethane, CFC113) are significantly higher in the industrial, residential, and traffic areas (P<0.05), indicating that anthropogenic contamination of urban groundwater by those chemicals is growing. Those chemicals can be used as effective indicators of anthropogenic contamination of groundwater in urban areas and therefore a special attention is warranted for a safe water supply in those areas. The results of this study suggest that urban groundwater quality in urban areas is closely related with land use.

Original languageEnglish
Pages (from-to)1116-1131
Number of pages16
JournalEnvironmental Geology
Volume48
Issue number8
DOIs
Publication statusPublished - 2005 Oct 1

Fingerprint

Volatile Organic Compounds
volatile organic compounds
Volatile organic compounds
Land use
Spatial distribution
trace metal
volatile organic compound
Korean Peninsula
trace elements
Groundwater
groundwater
land use
spatial distribution
toluene
groundwater contamination
trichloroethylene
chloroform
traffic
urban areas
1,2-dichloropropane

Keywords

  • Land use
  • Non-parametric statistical analysis
  • Seoul
  • Trace metals
  • Urban groundwater
  • Volatile organic compounds

ASJC Scopus subject areas

  • Earth and Planetary Sciences (miscellaneous)
  • Environmental Science(all)
  • Environmental Chemistry
  • Water Science and Technology

Cite this

Effects of land use on the spatial distribution of trace metals and volatile organic compounds in urban groundwater, Seoul, Korea. / Park, Seong Sook; Kim, Soon Oh; Yun, Seong Taek; Chae, Gi Tak; Yu, Soon Young; Kim, Seungki; Kim, Young.

In: Environmental Geology, Vol. 48, No. 8, 01.10.2005, p. 1116-1131.

Research output: Contribution to journalArticle

Park, Seong Sook ; Kim, Soon Oh ; Yun, Seong Taek ; Chae, Gi Tak ; Yu, Soon Young ; Kim, Seungki ; Kim, Young. / Effects of land use on the spatial distribution of trace metals and volatile organic compounds in urban groundwater, Seoul, Korea. In: Environmental Geology. 2005 ; Vol. 48, No. 8. pp. 1116-1131.
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AB - To investigate the urban groundwater contamination by eight trace metals and 69 volatile organic compounds (VOCs) in relation to land use in Seoul, a total of 57 groundwater samples collected from wells were examined using a non-parametric statistical analysis. Land use was classified into five categories: less-developed, residential, agricultural, traffic, and industrial. A comparison of analyzed data with US EPA and Korean standards for drinking water showed that some metals and VOCs exceeded the standards in a few localities, such as Fe (N=5), Mn (N=6), Cu (N=1), TCE (N=6), PCE (N=8), 1,2-DCA (N=1), and 1,2-dichloropropane (N=1). Among the 69 investigated VOCs, 19 compounds such as some gasoline-related compounds (e.g., toluene) and chlorinated compounds (e.g., chloroform, PCE, TCE) were detected in groundwater. Non-parametric statistical analysis showed that the concentrations of most trace metals (Fe, Mn, As, Cr, Pb, Cd) and some VOCs (especially, TCE, PCE, chloroform; toluene, carbon tetrachloride, bromodichloromethane, CFC113) are significantly higher in the industrial, residential, and traffic areas (P<0.05), indicating that anthropogenic contamination of urban groundwater by those chemicals is growing. Those chemicals can be used as effective indicators of anthropogenic contamination of groundwater in urban areas and therefore a special attention is warranted for a safe water supply in those areas. The results of this study suggest that urban groundwater quality in urban areas is closely related with land use.

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