1 air pollution and new town developments in the seoul metropolitan areas kyushik oh, ph.d....
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1
Air Pollution and New Town Developments in the Seoul Metropolitan Areas
Kyushik Oh, Ph.D.Professor, Department of Urban Planning, Hanyang University, Korea
Seunghyun JeongPh.D. Candidate, Department of Urban Planning, Hanyang University, Korea
IAIA073-9th June, 2007,
Seoul, Korea
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2Contents
• Introduction
• Seoul Metropolitan Area (SMA)
• Land cover Changes of Seoul Metropolitan Area
• Air Pollution of Seoul Metropolitan Area
• Study Area
• Air Quality Change in the Study Area
• Air Quality and Developments
• Conclusions
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3Introduction
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4Seoul Metropolitan Area (SMA)
• Seoul Metropolitan Area
• 11.8% of Total area of S. Korea
• Over 46% of total population of S. Korea
• 48% of Gross Domestic Product of S. Korea
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Land cover Changes of Seoul Metropolitan Area
Legend
Barren
Agricultural
Forest
Water
Wet land
Urban
PastureN
0 20 40 60 8010Km
N
0 20 40 60 8010Km
Year of 1985 Year of 1990 Year of 1995
Year of 2000 Year of 2003
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Air Pollution of Seoul Metropolitan Area
SO2(ppm)
0.000
0.010
0.020
0.030
0.040
0.050
0.060
89년
90년
91년
92년
93년
94년
95년
96년
97년
98년
99년
00년
01년
02년
03년
04년
CO(ppm)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
89년
90년
91년
92년
93년
94년
95년
96년
97년
98년
99년
00년
01년
02년
03년
04년
PM10( / )㎍ ㎥
0
10
20
30
40
50
60
70
80
89년
90년
91년
92년
93년
94년
95년
96년
97년
98년
99년
00년
01년
02년
03년
04년
NO2(ppm)
0.000
0.005
0.010
0.015
0.020
0.025
0.030
0.035
0.040
89년
90년
91년
92년
93년
94년
95년
96년
97년
98년
99년
00년
01년
02년
03년
04년
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Study Area
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Air Quality Change in the Study Area
Year of 1990 Year of 1995
Year of 2000 Year of 2003
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Air Quality and Developments
0
0.005
0.01
0.015
0.02
0.025
0.03
0.035
0.04
0.045
910 920 930 940 950 960 970
Populatins (1000 person)
NO
₂(p
pm)
구분Linear Log Exp
Eq. R2 Eq. R2 Eq. R2
Urbanized Area
y = 0.0011
x - 0.012
0.7241
y = 0.0456Ln
(x) - 0.1358
0.7348
y = 0.008e0.0
348x
0.6816
Population
y = 0.0002
x - 0.1635
0.5693
y = 0.1976Ln
(x) - 1.319
0.5695
y = 8E-05e0.0064x
0.5092
Companies
0.0011x -
0.0145
0.6963
y = 0.0478Ln
(x) - 0.1483
0.7097
y = 0.0072e0
.0338x
0.673
0
0.005
0.01
0.015
0.02
0.025
0.03
0.035
0.04
0.045
35 40 45 50
Companies (1000 unit)
0
0.005
0.01
0.015
0.02
0.025
0.03
0.035
0.04
0.045
35 37 39 41 43 45 47
( )㎢
NO
₂(p
pm)
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10Conclusion
• Urban developments have been continuing ceaselessly
• Korean government has been undertaking efforts to improve air quality
• There have not been any significant positive effects
• Because the focus of policies has been on controlling the total amount of pollutants
• Needs for urban development strategies with long-term and wider area considerations.
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Thank you