6 計算結果
6.1 現状(1999年)
排出モデルを使って計算された1999年の大気汚染物質(SOx、NOx(NO＋NO2)、SPM)の排出量に基づき、東京湾内における拡散計算を行った。
拡散計算の結果のうち、地上の代表地点での濃度を表6.1-1から
表3.4-2に示し、東京湾内の濃度分布を図6.1-1に示した。
表6.1-1 1999年における船舶からの大気汚染物質の影響度合い
(SO2、ppb) |
| |
平均 |
N |
NNE |
NE |
ENE |
E |
ESE |
SE |
SSE |
S |
SSW |
SW |
WSW |
W |
WNW |
NW |
NNW |
静穏 |
| 木更津潮見 |
0.6 |
0.6 |
0.8 |
0.2 |
0.1 |
0.0 |
0.0 |
0.0 |
0.0 |
0.1 |
0.5 |
1.2 |
3.1 |
3.4 |
2.1 |
1.5 |
1.2 |
6.3 |
| 習志野鷺沼 |
0.6 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.1 |
0.3 |
0.6 |
1.1 |
1.9 |
4.6 |
1.9 |
0.3 |
0.1 |
0.0 |
0.0 |
3.4 |
| 市原岩崎西 |
0.9 |
0.7 |
0.7 |
0.4 |
0.2 |
0.0 |
0.0 |
0.0 |
0.0 |
0.1 |
0.5 |
1.9 |
5.6 |
3.7 |
4.2 |
1.8 |
1.3 |
7.5 |
| 浦安猫実 |
1.4 |
0.0 |
0.0 |
0.0 |
0.1 |
0.3 |
0.6 |
0.9 |
1.9 |
2.4 |
5.4 |
2.5 |
1.1 |
0.3 |
0.1 |
0.0 |
0.0 |
4.9 |
| 袖ケ浦代宿 |
0.6 |
1.0 |
0.7 |
0.2 |
0.1 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.2 |
1.0 |
2.3 |
2.4 |
2.3 |
1.9 |
1.9 |
5.8 |
| 中央区晴海 |
1.5 |
0.0 |
0.0 |
0.0 |
0.1 |
0.3 |
1.9 |
3.0 |
3.4 |
4.2 |
3.2 |
0.5 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
5.0 |
| 神奈川県庁 |
2.9 |
0.7 |
1.4 |
2.8 |
6.0 |
7.3 |
6.7 |
5.3 |
5.2 |
3.3 |
1.5 |
0.8 |
0.0 |
0.0 |
0.0 |
0.1 |
0.3 |
12.6 |
| 中区加曽台 |
3.5 |
1.4 |
3.5 |
3.2 |
3.7 |
2.5 |
2.7 |
5.2 |
7.0 |
7.0 |
4.4 |
5.5 |
3.1 |
1.2 |
0.1 |
0.1 |
0.6 |
15.5 |
| 金沢区長浜 |
2.3 |
2.7 |
5.5 |
3.6 |
4.0 |
2.1 |
2.3 |
2.0 |
2.0 |
0.6 |
0.2 |
0.0 |
0.0 |
0.0 |
0.0 |
0.2 |
1.3 |
10.2 |
| 横須賀市役所 |
1.2 |
3.2 |
3.0 |
1.9 |
1.1 |
1.4 |
1.4 |
1.1 |
0.3 |
0.1 |
0.0 |
0.0 |
0.1 |
0.2 |
0.9 |
1.4 |
2.1 |
8.2 |
| 追浜行政C |
1.6 |
1.5 |
3.1 |
2.1 |
2.4 |
2.5 |
3.5 |
2.3 |
1.3 |
0.3 |
0.1 |
0.0 |
0.0 |
0.0 |
0.0 |
0.3 |
0.7 |
7.8 |
| 久里浜行政C |
0.7 |
2.1 |
1.8 |
1.0 |
0.7 |
0.9 |
1.0 |
0.8 |
0.2 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.2 |
0.3 |
1.3 |
5.2 |
表6.1-2 1999年における船舶からの大気汚染物質の影響度合い
(SO2、％) |
| |
平均 |
N |
NNE |
NE |
ENE |
E |
ESE |
SE |
SSE |
S |
SSW |
SW |
WSW |
W |
WNW |
NW |
NNW |
静穏 |
| 木更津潮見 |
10.2 |
10.7 |
12.4 |
4.1 |
1.7 |
0.0 |
0.0 |
0.0 |
0.6 |
1.5 |
7.4 |
15.7 |
30.2 |
35.1 |
21.4 |
18.6 |
18.5 |
104.1 |
| 習志野鷺沼 |
24.9 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
5.7 |
15.9 |
24.1 |
32.5 |
42.2 |
106.8 |
41.3 |
7.2 |
3.0 |
0.0 |
0.0 |
125.7 |
| 市原岩崎西 |
11.3 |
10.5 |
9.4 |
4.5 |
1.7 |
0.5 |
0.0 |
0.0 |
0.0 |
1.9 |
7.6 |
18.5 |
41.5 |
24.3 |
31.7 |
12.9 |
15.1 |
88.0 |
| 浦安猫実 |
23.7 |
0.0 |
0.2 |
0.6 |
2.1 |
4.7 |
10.5 |
15.7 |
27.8 |
32.9 |
92.9 |
43.6 |
18.5 |
5.5 |
1.8 |
0.0 |
0.0 |
82.3 |
| 袖ケ浦代宿 |
12.2 |
9.9 |
8.4 |
4.6 |
1.6 |
0.0 |
0.0 |
0.0 |
0.0 |
1.0 |
7.0 |
28.6 |
46.2 |
32.5 |
22.4 |
19.5 |
24.9 |
113.2 |
| 中央区晴海 |
20.4 |
0.0 |
0.0 |
0.1 |
0.6 |
2.8 |
17.2 |
27.7 |
35.9 |
41.6 |
33.9 |
5.7 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
55.8 |
| 神奈川県庁 |
47.5 |
10.7 |
16.1 |
27.7 |
59.9 |
73.0 |
76.5 |
79.6 |
81.8 |
70.1 |
36.9 |
17.3 |
0.0 |
0.0 |
0.0 |
2.6 |
5.2 |
224.1 |
| 中区加曽台 |
40.7 |
20.4 |
56.4 |
39.6 |
35.6 |
21.6 |
23.0 |
42.9 |
55.2 |
58.4 |
39.0 |
59.0 |
35.0 |
17.1 |
1.4 |
1.8 |
8.0 |
155.8 |
| 金沢区長浜 |
42.7 |
60.1 |
98.9 |
55.7 |
56.0 |
25.1 |
29.7 |
29.5 |
34.4 |
13.9 |
5.3 |
0.2 |
0.0 |
0.0 |
0.0 |
3.7 |
29.0 |
166.3 |
| 横須賀市役所 |
20.3 |
50.4 |
49.2 |
27.6 |
14.4 |
16.2 |
15.2 |
14.9 |
5.2 |
1.6 |
0.2 |
0.0 |
1.6 |
5.2 |
15.3 |
22.4 |
30.9 |
90.2 |
| 追浜行政C |
43.5 |
40.1 |
65.0 |
39.4 |
42.4 |
36.3 |
53.7 |
49.2 |
40.6 |
13.5 |
3.3 |
0.0 |
0.0 |
0.0 |
0.0 |
10.6 |
24.3 |
211.2 |
| 久里浜行政C |
13.1 |
37.0 |
28.4 |
15.9 |
11.0 |
15.3 |
14.1 |
11.5 |
4.1 |
0.7 |
0.0 |
0.0 |
0.0 |
0.0 |
5.0 |
5.7 |
25.9 |
96.7 |
表6.1-3 1999年における船舶からの大気汚染物質の影響度合い
(NOx(NO＋NO2)、ppb) |
| |
平均 |
N |
NNE |
NE |
ENE |
E |
ESE |
SE |
SSE |
S |
SSW |
SW |
WSW |
W |
WNW |
NW |
NNW |
静穏 |
| 木更津潮見 |
0.8 |
0.8 |
1.0 |
0.3 |
0.1 |
0.0 |
0.0 |
0.0 |
0.0 |
0.1 |
0.6 |
1.6 |
4.0 |
4.5 |
2.6 |
1.8 |
1.5 |
8.2 |
| 習志野鷺沼 |
0.8 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.1 |
0.4 |
0.8 |
1.5 |
2.3 |
6.0 |
2.5 |
0.4 |
0.1 |
0.0 |
0.0 |
4.5 |
| 市原岩崎西 |
1.2 |
0.9 |
0.9 |
0.6 |
0.2 |
0.1 |
0.0 |
0.0 |
0.0 |
0.2 |
0.7 |
2.5 |
7.1 |
5.0 |
5.5 |
2.3 |
1.5 |
10.3 |
| 浦安猫実 |
1.8 |
0.0 |
0.0 |
0.0 |
0.1 |
0.3 |
0.8 |
1.1 |
2.5 |
3.1 |
6.9 |
3.4 |
1.5 |
0.5 |
0.2 |
0.0 |
0.0 |
6.6 |
| 袖ケ浦代宿 |
0.8 |
1.3 |
0.9 |
0.3 |
0.1 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.2 |
1.2 |
3.1 |
3.1 |
3.1 |
2.4 |
2.4 |
7.9 |
| 中央区晴海 |
2.0 |
0.0 |
0.0 |
0.0 |
0.1 |
0.4 |
2.6 |
4.2 |
4.5 |
5.6 |
4.1 |
0.6 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
6.8 |
| 神奈川県庁 |
3.6 |
1.1 |
2.0 |
3.7 |
7.1 |
8.3 |
7.3 |
6.4 |
6.7 |
4.8 |
2.2 |
1.2 |
0.0 |
0.0 |
0.0 |
0.2 |
0.5 |
17.2 |
| 中区加曽台 |
4.7 |
1.7 |
4.0 |
3.6 |
4.4 |
3.2 |
3.8 |
7.3 |
9.4 |
10.0 |
6.4 |
8.0 |
4.7 |
1.7 |
0.2 |
0.2 |
0.7 |
23.0 |
| 金沢区長浜 |
2.9 |
3.8 |
7.1 |
4.6 |
5.1 |
2.6 |
2.8 |
2.6 |
2.6 |
0.8 |
0.3 |
0.0 |
0.0 |
0.0 |
0.0 |
0.4 |
1.9 |
14.7 |
| 横須賀市役所 |
1.6 |
4.1 |
3.9 |
2.4 |
1.4 |
1.7 |
1.6 |
1.3 |
0.4 |
0.1 |
0.0 |
0.0 |
0.1 |
0.4 |
1.3 |
1.9 |
2.8 |
11.0 |
| 追浜行政C |
2.0 |
2.0 |
4.1 |
2.6 |
2.9 |
3.1 |
4.5 |
3.1 |
1.8 |
0.5 |
0.1 |
0.0 |
0.0 |
0.0 |
0.0 |
0.4 |
1.0 |
10.7 |
| 久里浜行政C |
0.9 |
2.7 |
2.1 |
1.3 |
0.9 |
1.1 |
1.2 |
0.9 |
0.2 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.3 |
0.3 |
1.8 |
6.7 |
表6.1-4 1999年における船舶からの大気汚染物質の影響度合い
(NOx(NO＋NO2)、％) |
| |
平均 |
N |
NNE |
NE |
ENE |
E |
ESE |
SE |
SSE |
S |
SSW |
SW |
WSW |
W |
WNW |
NW |
NNW |
静穏 |
| 木更津潮見 |
2.5 |
2.5 |
3.0 |
1.1 |
0.4 |
0.0 |
0.0 |
0.0 |
0.1 |
0.7 |
3.2 |
6.2 |
10.7 |
11.7 |
6.2 |
4.5 |
4.4 |
14.2 |
| 習志野鷺沼 |
2.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.4 |
1.1 |
2.5 |
5.5 |
9.4 |
19.2 |
4.6 |
0.5 |
0.2 |
0.0 |
0.0 |
4.7 |
| 市原岩崎西 |
3.6 |
2.2 |
2.2 |
1.6 |
1.0 |
0.2 |
0.0 |
0.0 |
0.0 |
0.5 |
3.0 |
11.8 |
19.5 |
11.6 |
10.4 |
3.7 |
3.4 |
15.1 |
| 浦安猫実 |
3.3 |
0.0 |
0.0 |
0.1 |
0.3 |
0.7 |
1.7 |
2.2 |
5.1 |
6.9 |
17.8 |
7.0 |
1.9 |
0.5 |
0.2 |
0.0 |
0.0 |
5.3 |
| 袖ケ浦代宿 |
3.5 |
2.9 |
2.6 |
1.3 |
0.5 |
0.0 |
0.0 |
0.0 |
0.0 |
0.3 |
3.2 |
12.0 |
20.3 |
9.7 |
6.2 |
5.7 |
5.8 |
21.5 |
| 中央区晴海 |
3.0 |
0.0 |
0.0 |
0.0 |
0.1 |
0.5 |
3.4 |
4.9 |
7.7 |
10.2 |
8.1 |
0.9 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
7.2 |
| 神奈川県庁 |
5.2 |
1.5 |
2.6 |
4.5 |
9.4 |
9.8 |
9.6 |
8.5 |
9.3 |
9.7 |
4.9 |
1.6 |
0.0 |
0.0 |
0.0 |
0.3 |
0.6 |
19.2 |
| 中区加曽台 |
8.8 |
2.0 |
6.8 |
6.8 |
9.1 |
6.2 |
6.6 |
12.2 |
11.8 |
15.9 |
12.2 |
24.9 |
14.8 |
2.6 |
0.3 |
0.3 |
0.8 |
29.1 |
| 金沢区長浜 |
8.3 |
8.9 |
16.7 |
13.3 |
12.6 |
5.9 |
7.0 |
7.4 |
9.6 |
5.5 |
2.6 |
0.1 |
0.0 |
0.0 |
0.0 |
0.5 |
3.3 |
28.2 |
| 横須賀市役所 |
3.6 |
6.6 |
8.1 |
5.6 |
3.4 |
3.8 |
3.9 |
3.8 |
1.1 |
0.3 |
0.0 |
0.0 |
0.3 |
0.7 |
1.8 |
2.1 |
3.3 |
15.4 |
| 追浜行政C |
5.2 |
5.1 |
11.7 |
7.7 |
7.9 |
6.9 |
8.9 |
8.5 |
7.6 |
3.0 |
0.7 |
0.0 |
0.0 |
0.0 |
0.0 |
0.8 |
2.2 |
15.4 |
| 久里浜行政C |
2.3 |
5.9 |
6.0 |
4.3 |
3.0 |
4.3 |
3.3 |
2.6 |
1.1 |
0.2 |
0.0 |
0.0 |
0.0 |
0.0 |
0.3 |
0.4 |
2.4 |
9.7 |
表6.1- 5 1999年における船舶からの大気汚染物質の影響度合い
(SPM、μg/m3) |
| |
平均 |
N |
NNE |
NE |
ENE |
E |
ESE |
SE |
SSE |
S |
SSW |
SW |
WSW |
W |
WNW |
NW |
NNW |
静穏 |
| 木更津潮見 |
0.3 |
0.3 |
0.4 |
0.1 |
0.1 |
0.0 |
0.0 |
0.0 |
0.0 |
0.1 |
0.3 |
0.6 |
1.6 |
1.7 |
1.1 |
0.8 |
0.6 |
3.2 |
| 習志野鷺沼 |
0.3 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.1 |
0.2 |
0.3 |
0.6 |
1.0 |
2.3 |
1.0 |
0.2 |
0.1 |
0.0 |
0.0 |
1.7 |
| 市原岩崎西 |
0.5 |
0.4 |
0.4 |
0.2 |
0.1 |
0.0 |
0.0 |
0.0 |
0.0 |
0.1 |
0.3 |
1.0 |
2.8 |
1.9 |
2.1 |
0.9 |
0.7 |
3.8 |
| 浦安猫実 |
0.7 |
0.0 |
0.0 |
0.0 |
0.1 |
0.2 |
0.3 |
0.5 |
1.0 |
1.2 |
2.7 |
1.3 |
0.6 |
0.2 |
0.1 |
0.0 |
0.0 |
2.5 |
| 袖ケ浦代宿 |
0.3 |
0.5 |
0.4 |
0.1 |
0.1 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.1 |
0.5 |
1.2 |
1.2 |
1.2 |
1.0 |
1.0 |
2.9 |
| 中央区晴海 |
0.8 |
0.0 |
0.0 |
0.0 |
0.1 |
0.2 |
1.0 |
1.5 |
1.7 |
2.1 |
1.6 |
0.3 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
2.5 |
| 神奈川県庁 |
1.5 |
0.4 |
0.7 |
1.4 |
3.0 |
3.7 |
3.4 |
2.7 |
2.6 |
1.7 |
0.8 |
0.4 |
0.0 |
0.0 |
0.0 |
0.1 |
0.2 |
6.3 |
| 中区加曽台 |
1.8 |
0.7 |
1.8 |
1.6 |
1.9 |
1.3 |
1.4 |
2.6 |
3.5 |
3.5 |
2.2 |
2.8 |
1.6 |
0.6 |
0.1 |
0.1 |
0.3 |
7.8 |
| 金沢区長浜 |
1.2 |
1.4 |
2.8 |
1.8 |
2.0 |
1.1 |
1.2 |
1.0 |
1.0 |
0.3 |
0.1 |
0.0 |
0.0 |
0.0 |
0.0 |
0.1 |
0.7 |
5.1 |
| 横須賀市役所 |
0.6 |
1.6 |
1.5 |
1.0 |
0.6 |
0.7 |
0.7 |
0.6 |
0.2 |
0.1 |
0.0 |
0.0 |
0.1 |
0.1 |
0.5 |
0.7 |
1.1 |
4.1 |
| 追浜行政C |
0.8 |
0.8 |
1.6 |
1.1 |
1.2 |
1.3 |
1.8 |
1.2 |
0.7 |
0.2 |
0.1 |
0.0 |
0.0 |
0.0 |
0.0 |
0.2 |
0.4 |
3.9 |
| 久里浜行政C |
0.5 |
0.4 |
0.5 |
0.5 |
0.4 |
0.1 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.1 |
0.2 |
0.7 |
2.6 |
0.5 |
0.4 |
0.5 |
表6.1-6 1999年における船舶からの大気汚染物質の影響度合い
(SPM、％) |
| |
平均 |
N |
NNE |
NE |
ENE |
E |
ESE |
SE |
SSE |
S |
SSW |
SW |
WSW |
W |
WNW |
NW |
NNW |
静穏 |
| 木更津潮見 |
0.3 |
0.1 |
0.0 |
0.0 |
0.0 |
0.0 |
0.1 |
0.7 |
1.7 |
4.2 |
4.4 |
2.6 |
1.9 |
1.8 |
6.6 |
0.3 |
0.1 |
0.0 |
| 習志野鷺沼 |
0.0 |
0.0 |
0.0 |
0.1 |
0.5 |
0.9 |
1.9 |
3.0 |
6.9 |
2.5 |
0.3 |
0.1 |
0.0 |
0.0 |
3.1 |
0.0 |
0.0 |
0.0 |
| 市原岩崎西 |
0.6 |
0.4 |
0.0 |
0.0 |
0.0 |
0.0 |
0.1 |
0.8 |
3.1 |
8.9 |
4.6 |
4.7 |
1.9 |
2.6 |
6.3 |
0.6 |
0.4 |
0.0 |
| 浦安猫実 |
0.0 |
0.1 |
0.4 |
0.7 |
1.0 |
2.1 |
2.6 |
6.0 |
3.1 |
1.2 |
0.3 |
0.1 |
0.0 |
0.0 |
3.8 |
0.0 |
0.1 |
0.4 |
| 袖ケ浦代宿 |
0.4 |
0.2 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.4 |
1.9 |
3.8 |
3.3 |
2.6 |
2.8 |
3.1 |
6.8 |
0.4 |
0.2 |
0.0 |
| 中央区晴海 |
0.0 |
0.1 |
0.3 |
2.1 |
3.0 |
4.3 |
5.7 |
5.0 |
0.6 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
4.8 |
0.0 |
0.1 |
0.3 |
| 神奈川県庁 |
3.1 |
7.1 |
8.6 |
8.2 |
7.1 |
6.8 |
5.0 |
2.5 |
1.1 |
0.0 |
0.0 |
0.0 |
0.1 |
0.4 |
14.3 |
3.1 |
7.1 |
8.6 |
| 中区加曽台 |
5.3 |
6.6 |
4.3 |
4.3 |
7.4 |
10.2 |
11.6 |
8.7 |
15.0 |
7.6 |
1.7 |
0.1 |
0.1 |
0.6 |
16.7 |
5.3 |
6.6 |
4.3 |
| 金沢区長浜 |
7.7 |
7.7 |
3.8 |
4.1 |
4.1 |
4.7 |
1.8 |
0.6 |
0.0 |
0.0 |
0.0 |
0.0 |
0.2 |
1.8 |
15.9 |
7.7 |
7.7 |
3.8 |
| 横須賀市役所 |
3.2 |
1.8 |
2.2 |
2.4 |
2.0 |
0.6 |
0.2 |
0.0 |
0.0 |
0.2 |
0.4 |
1.1 |
1.7 |
2.6 |
9.9 |
3.2 |
1.8 |
2.2 |
| 追浜行政C |
3.4 |
3.8 |
3.6 |
4.6 |
3.9 |
2.4 |
0.6 |
0.2 |
0.0 |
0.0 |
0.0 |
0.0 |
0.5 |
1.3 |
9.4 |
3.4 |
3.8 |
3.6 |
| 久里浜行政C |
2.2 |
1.4 |
1.8 |
1.7 |
1.4 |
0.4 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.3 |
0.4 |
1.7 |
6.8 |
2.2 |
1.4 |
1.8 |
図6.1-1 1999年における船舶からの大気汚染物質の影響度合い
（拡大画面： 73 KB）
