Evaluation of precipitation composition at an urban and a rural area for the Central Korean Peninsula

Man Goo Kim; Mi Hee Kang; Ki Jun Park; Bo Kyung Lee; Dong Soo Lee

doi:10.1023/A:1013849721550

Evaluation of precipitation composition at an urban and a rural area for the Central Korean Peninsula

Man Goo Kim, Mi Hee Kang, Ki Jun Park, Bo Kyung Lee, Dong Soo Lee

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

Precipitation samples were collected using wet-only samplers on a daily basis at Chunchon (rural area) and Seoul (urban area) from January to December in 1998. The pH, electrical conductivity, and the concentrations of major ions were analyzed. The volume-weighted annual average values of pH for both sites were identical. However, for volume weighted average pH of precipitations below 20 mm in Chunchon was significantly (p<0.05) lower than that in Seoul. The value of [NO₃^-]/[nss-SO₄^2-], calculated from average composition of rainfalls below 20mm, were 0.42 and 0.61 in Seoul and Chunchon, respectively. This supports that acidification of precipitation by nitrogen oxides, a part of which might be transported from the Seoul metropolitan area, caused the difference in pH between Chunchon and Seoul.

Original language	English
Pages (from-to)	439-444
Number of pages	6
Journal	Water, Air, and Soil Pollution
Volume	130
Issue number	1-4 II
DOIs	https://doi.org/10.1023/A:1013849721550
Publication status	Published - 2001

All Science Journal Classification (ASJC) codes

Environmental Engineering
Environmental Chemistry
Ecological Modelling
Water Science and Technology
Pollution

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title = "Evaluation of precipitation composition at an urban and a rural area for the Central Korean Peninsula",

abstract = "Precipitation samples were collected using wet-only samplers on a daily basis at Chunchon (rural area) and Seoul (urban area) from January to December in 1998. The pH, electrical conductivity, and the concentrations of major ions were analyzed. The volume-weighted annual average values of pH for both sites were identical. However, for volume weighted average pH of precipitations below 20 mm in Chunchon was significantly (p<0.05) lower than that in Seoul. The value of [NO3-]/[nss-SO42-], calculated from average composition of rainfalls below 20mm, were 0.42 and 0.61 in Seoul and Chunchon, respectively. This supports that acidification of precipitation by nitrogen oxides, a part of which might be transported from the Seoul metropolitan area, caused the difference in pH between Chunchon and Seoul.",

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T1 - Evaluation of precipitation composition at an urban and a rural area for the Central Korean Peninsula

AU - Kim, Man Goo

AU - Kang, Mi Hee

AU - Park, Ki Jun

AU - Lee, Bo Kyung

AU - Lee, Dong Soo

PY - 2001

Y1 - 2001

N2 - Precipitation samples were collected using wet-only samplers on a daily basis at Chunchon (rural area) and Seoul (urban area) from January to December in 1998. The pH, electrical conductivity, and the concentrations of major ions were analyzed. The volume-weighted annual average values of pH for both sites were identical. However, for volume weighted average pH of precipitations below 20 mm in Chunchon was significantly (p<0.05) lower than that in Seoul. The value of [NO3-]/[nss-SO42-], calculated from average composition of rainfalls below 20mm, were 0.42 and 0.61 in Seoul and Chunchon, respectively. This supports that acidification of precipitation by nitrogen oxides, a part of which might be transported from the Seoul metropolitan area, caused the difference in pH between Chunchon and Seoul.

AB - Precipitation samples were collected using wet-only samplers on a daily basis at Chunchon (rural area) and Seoul (urban area) from January to December in 1998. The pH, electrical conductivity, and the concentrations of major ions were analyzed. The volume-weighted annual average values of pH for both sites were identical. However, for volume weighted average pH of precipitations below 20 mm in Chunchon was significantly (p<0.05) lower than that in Seoul. The value of [NO3-]/[nss-SO42-], calculated from average composition of rainfalls below 20mm, were 0.42 and 0.61 in Seoul and Chunchon, respectively. This supports that acidification of precipitation by nitrogen oxides, a part of which might be transported from the Seoul metropolitan area, caused the difference in pH between Chunchon and Seoul.

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Evaluation of precipitation composition at an urban and a rural area for the Central Korean Peninsula

Abstract

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