Abstract
In this study, the long-term trend in atmospheric carbon monoxide (CO) concentration was analyzed using the CO levels measured (intermittently) at an air quality monitoring (AQM) station in Seoul, Korea, between the years 1987 and 2013. Temporal trends in CO were analyzed on an annual and seasonal basis in reference to other important air pollutants such as methane (CH4), particulate matter (PM10), sulfur dioxide (SO2), nitrogen monoxide (NO), nitrogen dioxide (NO2), mercury (Hg), and ozone (O3). The annual mean of CO for the entire period was 0.93 ± 0.22 ppm. CO levels were reduced by 83% from 3.25 ± 0.78 ppm (1987) to 0.51 ± 0.31 ppm (2013). Its relative reduction was compared over three periods chosen arbitrarily as period 1 (fast reduction, 1987–1988), period 2 (intermediate reduction, 1999–2000), and period 3 (slow reduction, 2004–2013). The concentrations of CO were strongly correlated with others (e.g., SO2, NO, NO2, O3, and Hg), suggesting the effects of similar source processes (e.g., fuel combustion). The reduction in its level was marginally consistent with the decreasing trend in the total CO column concentration in Seoul by the Measurements of Pollution in the Troposphere (MOPITT) satellite between 2000 and 2013, indicating decreasing anthropogenic CO emissions (despite increasing anthropogenic CO2 emissions). The rapid relative reduction of CO in period 1 and the subsequent slower but moderate reduction thereafter appear to reflect the effects of both enforcement of administrative regulations and advances in emissions control technologies.
| Original language | English |
|---|---|
| Pages (from-to) | 988-996 |
| Number of pages | 9 |
| Journal | Atmospheric Pollution Research |
| Volume | 8 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - 2017 Sep 1 |
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Keywords
- Air pollution
- Carbon monoxide
- Long-term analysis
- Seoul
- Temporal
- Yongsan
ASJC Scopus subject areas
- Waste Management and Disposal
- Pollution
- Atmospheric Science
Cite this
Long-term trend analysis of CO in the Yongsan district of Seoul, Korea, between the years 1987 and 2013. / Khan, Azmatullah; Szulejko, Jan E.; Bae, M. S.; Shon, Zang Ho; Sohn, Jong Ryeul; Seo, J. W.; Jeon, E. C.; Kim, Ki Hyun.
In: Atmospheric Pollution Research, Vol. 8, No. 5, 01.09.2017, p. 988-996.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Long-term trend analysis of CO in the Yongsan district of Seoul, Korea, between the years 1987 and 2013
AU - Khan, Azmatullah
AU - Szulejko, Jan E.
AU - Bae, M. S.
AU - Shon, Zang Ho
AU - Sohn, Jong Ryeul
AU - Seo, J. W.
AU - Jeon, E. C.
AU - Kim, Ki Hyun
PY - 2017/9/1
Y1 - 2017/9/1
N2 - In this study, the long-term trend in atmospheric carbon monoxide (CO) concentration was analyzed using the CO levels measured (intermittently) at an air quality monitoring (AQM) station in Seoul, Korea, between the years 1987 and 2013. Temporal trends in CO were analyzed on an annual and seasonal basis in reference to other important air pollutants such as methane (CH4), particulate matter (PM10), sulfur dioxide (SO2), nitrogen monoxide (NO), nitrogen dioxide (NO2), mercury (Hg), and ozone (O3). The annual mean of CO for the entire period was 0.93 ± 0.22 ppm. CO levels were reduced by 83% from 3.25 ± 0.78 ppm (1987) to 0.51 ± 0.31 ppm (2013). Its relative reduction was compared over three periods chosen arbitrarily as period 1 (fast reduction, 1987–1988), period 2 (intermediate reduction, 1999–2000), and period 3 (slow reduction, 2004–2013). The concentrations of CO were strongly correlated with others (e.g., SO2, NO, NO2, O3, and Hg), suggesting the effects of similar source processes (e.g., fuel combustion). The reduction in its level was marginally consistent with the decreasing trend in the total CO column concentration in Seoul by the Measurements of Pollution in the Troposphere (MOPITT) satellite between 2000 and 2013, indicating decreasing anthropogenic CO emissions (despite increasing anthropogenic CO2 emissions). The rapid relative reduction of CO in period 1 and the subsequent slower but moderate reduction thereafter appear to reflect the effects of both enforcement of administrative regulations and advances in emissions control technologies.
AB - In this study, the long-term trend in atmospheric carbon monoxide (CO) concentration was analyzed using the CO levels measured (intermittently) at an air quality monitoring (AQM) station in Seoul, Korea, between the years 1987 and 2013. Temporal trends in CO were analyzed on an annual and seasonal basis in reference to other important air pollutants such as methane (CH4), particulate matter (PM10), sulfur dioxide (SO2), nitrogen monoxide (NO), nitrogen dioxide (NO2), mercury (Hg), and ozone (O3). The annual mean of CO for the entire period was 0.93 ± 0.22 ppm. CO levels were reduced by 83% from 3.25 ± 0.78 ppm (1987) to 0.51 ± 0.31 ppm (2013). Its relative reduction was compared over three periods chosen arbitrarily as period 1 (fast reduction, 1987–1988), period 2 (intermediate reduction, 1999–2000), and period 3 (slow reduction, 2004–2013). The concentrations of CO were strongly correlated with others (e.g., SO2, NO, NO2, O3, and Hg), suggesting the effects of similar source processes (e.g., fuel combustion). The reduction in its level was marginally consistent with the decreasing trend in the total CO column concentration in Seoul by the Measurements of Pollution in the Troposphere (MOPITT) satellite between 2000 and 2013, indicating decreasing anthropogenic CO emissions (despite increasing anthropogenic CO2 emissions). The rapid relative reduction of CO in period 1 and the subsequent slower but moderate reduction thereafter appear to reflect the effects of both enforcement of administrative regulations and advances in emissions control technologies.
KW - Air pollution
KW - Carbon monoxide
KW - Long-term analysis
KW - Seoul
KW - Temporal
KW - Yongsan
UR - http://www.scopus.com/inward/record.url?scp=85017362190&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85017362190&partnerID=8YFLogxK
U2 - 10.1016/j.apr.2017.03.006
DO - 10.1016/j.apr.2017.03.006
M3 - Article
VL - 8
SP - 988
EP - 996
JO - Atmospheric Pollution Research
JF - Atmospheric Pollution Research
SN - 1309-1042
IS - 5
ER -