Page 36 - 인천국제공항 4단계 건설사업 건설지 [화보집 영문]

Table 1-2. Comparison of candidate sites

Yeongjong Island Sihwa 1 Sihwa 2 Gimpo
Airspace restriction - Suwon Airforce Suwon Airforce Seoul downtown
airspace airspace (P-73)
Geographic obstacles Horizontal surface (%) 5 6 4 5
Transport to Seoul Distance (km) 52 68 71 20
downtown Time (minutes) 50 59 61 30
Weather (1977-1988) Fog (time) 268 268 268 492
Noise No of households to be moved 0 50 300 1,800
No of affected households 200 2,250 650 268,000

Candidate
site Incheon (1982-1987)
Wind speed 0.3 -3.3 3.4 -7.9 8.0 - 13.8 13.8 and above
(m/s) (0.7-7.5mph) (7.6-17.8mph) (17.9-31.1mph) (31.2mph and above) TOTAL
Composition Composition Composition Composition Composition
Category Observations Observations Observations Observations Observations
(%) (%) (%) (%) (%)
Wind
direction
CALM 1.83
N - 3.81 - 1.12 - 0.03 - - 4.78
NNE - 2.73 - 1.27 - 0.08 - - 4.08
NE - 2.48 - 0.82 - 0.03 - - 3.34
ENE - 2.85 - 0.86 - 0.03 - - 3.84
ENE - 2.31 - 0.76 - 0.02 - - 3.08
ESE - 2.68 - 1.55 - 0.1 - - 4.51
SE - 3.21 - 2.14 - 0.2 - - 5.55
SSE - 4.88 - 3.85 - 0.3 - - 8.83
S - 3.62 - 2.63 - 0.18 - - 6.45
SSW - 3.85 - 2.78 - 0.25 - 0.02 - 6.8
SW - 3 - 2.42 - 0.28 - - 5.7
WSW - 3.1 - 2.56 - 0.28 - - 5.84 Region Yeongjong, Songdo, Songsan
WSW - 4.17 - 3.03 - 1.05 - 0.03 - 8.28
WWW - 4.81 - 4.43 - 1.81 - 0.03 - 11.18 Period 1982~1987
NW - 4.88 - 3.33 - 0.51 - 0.02 - 8.85
NNW - 4.47 - 2.3 - 0.12 - - 8.89 Wind coverage 96.6%(12~30)
TOTAL - 56.85 - 35.85 - 5.27 - 0.1 - 100 Calm 1.83

34 The 30-year History of Incheon Airport Construction 35