| 岩国飛行場周辺の航空機騒音状況 |
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| 岩国飛行場周辺に設置している自動騒音測定装置で測定した各測定点の日ごとのWECPNL及び騒音発生回数は次のとおりです。 |
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| 【平成25年7月】 |
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上段:単位(WECPNL) |
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中段:単位(Lden) |
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下段:騒音発生回数 |
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測定地点(場所) |
1日 |
2日 |
3日 |
4日 |
5日 |
6日 |
7日 |
8日 |
9日 |
10日 |
11日 |
12日 |
13日 |
14日 |
15日 |
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|
| (月) |
(火) |
(水) |
(木) |
(金) |
(土) |
(日) |
(月) |
(火) |
(水) |
(木) |
(金) |
(土) |
(日) |
(月) |
|
| @ |
岩国基地新滑走路南側 |
83.0 |
94.6 |
94.5 |
71.2 |
72.7 |
68.2 |
91.1 |
87.7 |
89.5 |
欠測 |
85.2 |
84.1 |
75.9 |
76.4 |
70.7 |
|
|
| |
(69.6) |
(78.5) |
(77.9) |
(56.9) |
(58.8) |
(54.0) |
(72.2) |
(71.5) |
(72.5) |
|
(69.9) |
(64.8) |
(69.7) |
(67.8) |
(55.2) |
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|
| |
50 |
133 |
90 |
44 |
78 |
17 |
34 |
82 |
99 |
|
57 |
50 |
28 |
16 |
8 |
|
|
| A |
岩国基地新滑走路北側 |
99.7 |
101.0 |
91.7 |
75.4 |
78.1 |
76.9 |
85.4 |
97.3 |
97.2 |
欠測 |
98.2 |
82.5 |
94.1 |
99.7 |
64.4 |
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|
|
|
| |
(81.7) |
(84.2) |
(74.4) |
(58.7) |
(61.9) |
(58.5) |
(67.7) |
(77.5) |
(80.9) |
|
(79.2) |
(64.1) |
(81.6) |
(83.1) |
(49.2) |
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|
|
|
| |
35 |
94 |
97 |
36 |
90 |
12 |
35 |
86 |
134 |
|
119 |
45 |
26 |
9 |
5 |
|
|
| B |
岩国市立東中学校 |
67.5 |
70.6 |
68.5 |
- |
欠測 |
- |
59.7 |
62.9 |
63.0 |
68.4 |
58.0 |
55.9 |
- |
- |
- |
|
|
| (岩国市三笠町) |
(53.9) |
(57.4) |
(56.0) |
- |
|
- |
(45.6) |
(49.5) |
(48.9) |
(57.1) |
(44.5) |
(41.1) |
- |
- |
- |
|
|
| |
16 |
44 |
26 |
0 |
|
0 |
6 |
11 |
10 |
14 |
8 |
2 |
0 |
0 |
0 |
|
|
| C |
民家 |
56.9 |
61.0 |
53.9 |
欠測 |
- |
43.7 |
50.3 |
49.8 |
- |
44.7 |
- |
- |
- |
- |
- |
|
|
| (岩国市楠町) |
(44.2) |
(46.8) |
(37.2) |
|
- |
(26.7) |
(36.7) |
(34.5) |
- |
(33.7) |
- |
- |
- |
- |
- |
|
|
| |
4 |
8 |
5 |
|
0 |
1 |
2 |
1 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
|
|
| D |
民家 |
61.8 |
61.3 |
57.7 |
- |
- |
- |
49.0 |
51.5 |
- |
欠測 |
- |
- |
- |
- |
- |
|
|
| (岩国市門前町) |
(49.6) |
(46.9) |
(40.0) |
- |
- |
- |
(35.9) |
(36.6) |
- |
|
- |
- |
- |
- |
- |
|
|
| |
7 |
9 |
5 |
0 |
0 |
0 |
2 |
3 |
0 |
|
0 |
0 |
0 |
0 |
0 |
|
|
| E |
千鳥ヶ丘 |
66.0 |
73.2 |
64.9 |
欠測 |
- |
- |
52.7 |
56.5 |
56.5 |
65.2 |
54.4 |
- |
- |
- |
- |
|
|
| (岩国市由宇町千鳥ヶ丘) |
(51.0) |
(57.0) |
(49.5) |
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- |
- |
(41.8) |
(43.4) |
(44.4) |
(49.2) |
(37.4) |
- |
- |
- |
- |
|
|
| |
7 |
54 |
15 |
|
0 |
0 |
3 |
3 |
3 |
11 |
2 |
0 |
0 |
0 |
0 |
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| F |
阿多田島 |
68.9 |
72.0 |
61.0 |
- |
49.7 |
- |
49.4 |
64.7 |
欠測 |
68.3 |
54.9 |
44.9 |
79.6 |
- |
- |
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| (大竹市阿多田) |
(53.9) |
(58.0) |
(47.0) |
- |
(37.1) |
- |
(38.6) |
(51.2) |
|
(54.3) |
(51.0) |
(33.7) |
(67.3) |
- |
- |
|
|
| |
9 |
26 |
7 |
0 |
1 |
0 |
2 |
12 |
|
10 |
5 |
1 |
2 |
0 |
0 |
|
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| G |
民家 |
64.9 |
76.5 |
69.0 |
欠測 |
- |
- |
55.6 |
60.4 |
60.5 |
67.1 |
54.1 |
- |
- |
- |
- |
|
|
| (岩国市由宇町) |
(53.3) |
(61.6) |
(54.1) |
|
- |
- |
(43.0) |
(44.9) |
(50.2) |
(52.2) |
(41.4) |
- |
- |
- |
- |
|
|
| |
6 |
53 |
16 |
|
0 |
0 |
2 |
3 |
3 |
10 |
1 |
0 |
0 |
0 |
0 |
|
|
| H |
サントピア大竹 |
48.5 |
50.8 |
56.8 |
- |
- |
- |
55.6 |
64.3 |
欠測 |
- |
- |
- |
49.1 |
- |
- |
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| (大竹市西栄) |
(33.5) |
(34.4) |
(43.7) |
- |
- |
- |
(43.6) |
(48.2) |
|
- |
- |
- |
(31.7) |
- |
- |
|
|
| |
2 |
1 |
4 |
0 |
0 |
0 |
1 |
1 |
|
0 |
0 |
0 |
1 |
0 |
0 |
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|
| I |
町立三蒲小学校 |
65.3 |
欠測 |
68.1 |
51.8 |
47.4 |
- |
- |
44.6 |
65.5 |
70.8 |
65.9 |
- |
45.5 |
44.2 |
49.4 |
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|
| (大島郡周防大島町) |
(53.3) |
|
(54.2) |
(38.8) |
(33.0) |
- |
- |
(31.5) |
(55.3) |
(60.0) |
(52.6) |
- |
31.8 |
(29.8) |
(38.3) |
|
|
| |
5 |
|
12 |
3 |
1 |
0 |
0 |
1 |
4 |
13 |
1 |
0 |
1 |
1 |
1 |
|
|
| J |
町営瀬田四丁目集会所 |
46.7 |
57.0 |
53.7 |
49.7 |
- |
- |
47.2 |
58.8 |
欠測 |
- |
- |
- |
- |
- |
55.2 |
|
|
| (玖珂郡和木町) |
(34.5) |
(43.5) |
(42.1) |
(32.6) |
- |
- |
(36.0) |
(44.3) |
|
- |
- |
- |
- |
- |
(37.6) |
|
|
| |
1 |
7 |
4 |
1 |
0 |
0 |
1 |
2 |
|
0 |
0 |
0 |
0 |
0 |
2 |
|
|
| K |
町立浮島小学校 |
- |
70.5 |
欠測 |
- |
- |
- |
53.7 |
- |
48.4 |
57.6 |
- |
- |
43.6 |
- |
52.1 |
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|
| (大島郡周防大島町) |
- |
(57.2) |
|
- |
- |
- |
(40.7) |
- |
(35.8) |
(46.2) |
- |
- |
(33.0) |
- |
(35.5) |
|
|
| |
0 |
22 |
|
0 |
0 |
0 |
1 |
0 |
1 |
3 |
0 |
0 |
1 |
0 |
3 |
|
|
| L |
装束供用会館 |
58.9 |
61.4 |
56.0 |
- |
欠測 |
- |
50.8 |
61.0 |
51.2 |
59.0 |
44.3 |
44.2 |
- |
57.8 |
- |
|
|
| (岩国市装束町) |
(44.7) |
(48.1) |
(43.1) |
- |
|
- |
(39.8) |
(45.5) |
(36.6) |
(43.3) |
(32.6) |
(26.2) |
- |
(42.2) |
- |
|
|
| |
7 |
22 |
8 |
0 |
|
0 |
1 |
5 |
3 |
9 |
1 |
1 |
0 |
1 |
0 |
|
|
| M |
民家 |
60.1 |
50.6 |
59.7 |
欠測 |
- |
- |
58.1 |
51.6 |
54.8 |
57.0 |
52.2 |
49.0 |
- |
56.4 |
- |
|
|
| (岩国市青木町) |
(44.4) |
(34.9) |
(44.9) |
|
- |
- |
(40.4) |
(35.6) |
(40.1) |
(43.9) |
(37.0) |
(34.9) |
- |
(38.2) |
- |
|
|
| |
7 |
3 |
17 |
|
0 |
0 |
3 |
4 |
5 |
8 |
4 |
2 |
0 |
2 |
0 |
|
|
| N |
江田島市役所沖美支所 |
- |
- |
53.7 |
72.5 |
- |
- |
- |
- |
46.0 |
- |
欠測 |
- |
- |
- |
- |
|
|
| (江田島市沖美町) |
- |
- |
(39.8) |
(53.9) |
- |
- |
- |
- |
(32.2) |
- |
|
- |
- |
- |
- |
|
|
| |
0 |
0 |
3 |
4 |
0 |
0 |
0 |
0 |
1 |
0 |
|
0 |
0 |
0 |
0 |
|
|
| O |
廿日市市宮島 |
- |
57.1 |
- |
54.3 |
- |
- |
- |
48.8 |
51.8 |
49.4 |
欠測 |
49.7 |
- |
- |
- |
|
|
| (廿日市市宮島町) |
- |
(44.6) |
- |
(37.4) |
- |
- |
- |
(36.5) |
(38.2) |
(34.9) |
|
(35.3) |
- |
- |
- |
|
|
| |
0 |
1 |
0 |
1 |
0 |
0 |
0 |
1 |
1 |
2 |
|
1 |
0 |
0 |
0 |
|
|
| P |
八坂公園 |
53.3 |
51.7 |
51.5 |
- |
欠測 |
- |
48.1 |
56.4 |
- |
49.2 |
47.2 |
- |
56.7 |
- |
59.0 |
|
|
| (廿日市市八坂) |
(40.2) |
(39.8) |
(40.3) |
- |
|
- |
(37.9) |
(43.6) |
- |
(38.2) |
(34.2) |
- |
(37.8) |
- |
(42.4) |
|
|
| |
2 |
2 |
2 |
0 |
|
0 |
2 |
4 |
0 |
1 |
1 |
0 |
2 |
0 |
1 |
|
|
| Q |
一文字終末処理場 |
67.2 |
66.1 |
61.5 |
- |
欠測 |
- |
52.6 |
63.9 |
64.7 |
64.1 |
56.1 |
- |
- |
65.8 |
- |
|
|
| (岩国市新港町) |
(54.4) |
(53.7) |
(48.0) |
- |
|
- |
(38.0) |
(50.2) |
(50.8) |
(49.7) |
(42.6) |
- |
- |
(54.8) |
- |
|
|
| |
12 |
16 |
16 |
0 |
|
0 |
2 |
9 |
4 |
5 |
3 |
0 |
0 |
1 |
0 |
|
|
| R |
町立久賀小学校 |
- |
69.2 |
欠測 |
- |
- |
- |
- |
45.5 |
58.9 |
49.0 |
45.3 |
- |
- |
- |
55.3 |
|
|
| (大島郡周防大島町) |
- |
(55.8) |
|
- |
- |
- |
- |
(35.4) |
(44.8) |
(35.0) |
(32.4) |
- |
- |
- |
(37.8) |
|
|
| |
0 |
10 |
|
0 |
0 |
0 |
0 |
1 |
2 |
2 |
1 |
0 |
0 |
0 |
4 |
|
|
| S |
宮岬集会所 |
56.5 |
欠測 |
57.7 |
- |
- |
46.1 |
- |
- |
52.5 |
56.4 |
- |
- |
- |
- |
- |
|
|
| (柳井市神代) |
(39.6) |
|
(45.8) |
- |
- |
(28.4) |
- |
- |
(40.7) |
(42.5) |
- |
- |
- |
- |
- |
|
|
| |
2 |
|
7 |
0 |
0 |
1 |
0 |
0 |
2 |
8 |
0 |
0 |
0 |
0 |
0 |
|
|
|
|
|
|
|
測定地点(場所) |
16日 |
17日 |
18日 |
19日 |
20日 |
21日 |
22日 |
23日 |
24日 |
25日 |
26日 |
27日 |
28日 |
29日 |
30日 |
31日 |
|
| (火) |
(水) |
(木) |
(金) |
(土) |
(日) |
(月) |
(火) |
(水) |
(木) |
(金) |
(土) |
(日) |
(月) |
(火) |
(水) |
|
| @ |
岩国基地新滑走路南側 |
82.2 |
87.7 |
86.6 |
81.0 |
66.8 |
65.6 |
72.5 |
88.0 |
83.8 |
81.4 |
83.8 |
67.8 |
65.0 |
71.7 |
70.6 |
69.2 |
|
| |
(71.4) |
(74.2) |
(71.1) |
(63.2) |
(53.0) |
(52.3) |
(58.0) |
(70.0) |
(67.7) |
(65.9) |
(68.1) |
(53.5) |
(50.1) |
57.3 |
56.8 |
54.2 |
|
| |
31 |
61 |
89 |
70 |
10 |
8 |
48 |
58 |
71 |
60 |
78 |
19 |
8 |
45 |
83 |
20 |
|
| A |
岩国基地新滑走路北側 |
93.7 |
83.5 |
93.3 |
93.8 |
77.3 |
77.4 |
76.1 |
81.1 |
82.4 |
78.3 |
79.7 |
70.3 |
68.7 |
73.4 |
72.6 |
76.7 |
|
| |
(73.5) |
(67.8) |
(77.5) |
(75.8) |
(61.1) |
(59.9) |
(60.8) |
(64.5) |
(65.0) |
(61.9) |
(63.4) |
(54.1) |
(53.7) |
(58.8) |
(58.1) |
(63.3) |
|
| |
39 |
109 |
109 |
78 |
8 |
13 |
68 |
87 |
76 |
91 |
90 |
22 |
3 |
45 |
60 |
47 |
|
| B |
岩国市立東中学校 |
48.8 |
- |
61.8 |
60.8 |
- |
44.7 |
- |
- |
53.1 |
- |
55.1 |
- |
- |
- |
- |
- |
|
| (岩国市三笠町) |
(36.2) |
- |
(48.9) |
(45.9) |
- |
(31.8) |
- |
- |
(38.9) |
- |
(43.7) |
- |
- |
- |
- |
- |
|
| |
1 |
0 |
7 |
6 |
0 |
1 |
0 |
0 |
2 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
|
| C |
民家 |
- |
- |
51.6 |
51.4 |
- |
- |
- |
- |
- |
- |
43.9 |
- |
- |
- |
- |
- |
|
| (岩国市楠町) |
- |
- |
(37.7) |
(37.8) |
- |
- |
- |
- |
- |
- |
(28.9) |
- |
- |
- |
- |
- |
|
| |
0 |
0 |
3 |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
|
| D |
民家 |
- |
55.9 |
49.3 |
54.6 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
|
| (岩国市門前町) |
- |
40.3 |
34.5 |
42.4 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
|
| |
0 |
1 |
2 |
6 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
| E |
千鳥ヶ丘 |
- |
- |
57.7 |
55.0 |
- |
- |
- |
45.7 |
56.9 |
- |
60.8 |
- |
- |
- |
43.2 |
- |
|
| (岩国市由宇町千鳥ヶ丘) |
- |
- |
46.4 |
43.5 |
- |
- |
- |
34.7 |
47.5 |
- |
(44.8) |
- |
- |
- |
(32.6) |
- |
|
| |
0 |
0 |
4 |
4 |
0 |
0 |
0 |
1 |
1 |
0 |
1 |
0 |
0 |
0 |
1 |
0 |
|
|
| F |
阿多田島 |
58.6 |
57.4 |
53.4 |
50.6 |
- |
- |
- |
52.0 |
66.8 |
56.0 |
- |
- |
- |
- |
- |
- |
|
| (大竹市阿多田) |
(42.1) |
(44.4) |
(40.0) |
(38.5) |
- |
- |
- |
(39.0) |
(53.1) |
(41.4) |
- |
- |
- |
- |
- |
- |
|
| |
3 |
1 |
3 |
2 |
0 |
0 |
0 |
1 |
1 |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
|
| G |
民家 |
- |
48.0 |
60.2 |
60.1 |
- |
- |
- |
49.0 |
- |
- |
63.6 |
- |
- |
- |
- |
- |
|
| (岩国市由宇町) |
- |
(36.1) |
(48.4) |
(46.3) |
- |
- |
- |
(37.4) |
- |
- |
(51.4) |
- |
- |
- |
- |
- |
|
| |
0 |
1 |
5 |
3 |
0 |
0 |
0 |
1 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
|
| H |
サントピア大竹 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
|
| (大竹市西栄) |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
|
| |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
| I |
町立三蒲小学校 |
- |
- |
59.1 |
61.7 |
- |
- |
46.2 |
44.1 |
60.7 |
- |
63.1 |
- |
- |
- |
44.0 |
49.7 |
|
| (大島郡周防大島町) |
- |
- |
(48.5) |
(50.0) |
- |
- |
(33.4) |
(28.7) |
(47.0) |
- |
(51.3) |
- |
- |
- |
(31.8) |
(37.2) |
|
| |
0 |
0 |
3 |
5 |
0 |
0 |
1 |
1 |
1 |
0 |
2 |
0 |
0 |
0 |
1 |
1 |
|
| J |
町営瀬田四丁目集会所 |
- |
48.6 |
- |
- |
54.7 |
- |
- |
- |
49.5 |
- |
50.9 |
51.8 |
49.7 |
- |
- |
- |
|
| (玖珂郡和木町) |
- |
(29.6) |
- |
- |
(37.5) |
- |
- |
- |
(34.0) |
- |
(31.8) |
(36.3) |
(33.5) |
- |
- |
- |
|
| |
0 |
1 |
0 |
0 |
3 |
0 |
0 |
0 |
1 |
0 |
1 |
1 |
1 |
0 |
0 |
0 |
|
| K |
町立浮島小学校 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
44.8 |
- |
- |
43.2 |
- |
- |
|
|
| (大島郡周防大島町) |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
(34.2) |
- |
- |
(31.3) |
- |
- |
|
|
|
| |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
1 |
0 |
0 |
|
| L |
装束供用会館 |
46.0 |
- |
54.1 |
46.3 |
- |
- |
57.2 |
48.9 |
49.1 |
- |
- |
- |
- |
- |
59.4 |
57.1 |
|
| (岩国市装束町) |
(32.2) |
- |
(37.9) |
(33.9) |
- |
- |
(41.9) |
(35.6) |
(34.0) |
- |
- |
- |
- |
- |
(54.4) |
(48.6) |
|
| |
1 |
0 |
1 |
2 |
0 |
0 |
6 |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
4 |
3 |
|
| M |
民家 |
- |
56.7 |
55.9 |
54.8 |
- |
- |
- |
50.4 |
- |
53.3 |
55.3 |
53.7 |
66.7 |
- |
- |
47.0 |
|
| (岩国市青木町) |
- |
(39.1) |
(40.9) |
(43.2) |
- |
- |
- |
(34.6) |
- |
(46.1) |
(54.8) |
(47.3) |
(48.7) |
- |
- |
(34.8) |
|
| |
0 |
1 |
4 |
5 |
0 |
0 |
0 |
2 |
0 |
1 |
6 |
1 |
3 |
0 |
0 |
1 |
|
| N |
江田島市役所沖美支所 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
|
| (江田島市沖美町) |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
|
| |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
| O |
廿日市市宮島 |
- |
- |
44.5 |
- |
- |
- |
- |
- |
62.2 |
- |
- |
- |
- |
- |
- |
- |
|
| (廿日市市宮島町) |
- |
- |
(32.1) |
- |
- |
- |
- |
- |
(47.9) |
- |
- |
- |
- |
- |
- |
- |
|
| |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
| P |
八坂公園 |
- |
- |
47.4 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
43.5 |
- |
|
| (廿日市市八坂) |
- |
- |
(34.3) |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
(33.4) |
- |
|
| |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
|
| Q |
一文字終末処理場 |
56.9 |
47.7 |
60.3 |
58.7 |
- |
- |
- |
55.7 |
55.2 |
- |
49.6 |
- |
- |
- |
- |
- |
|
| (岩国市新港町) |
(41.3) |
(32.7) |
(49.4) |
(45.9) |
- |
- |
- |
(40.4) |
(41.9) |
- |
(37.7) |
- |
- |
- |
- |
- |
|
| |
2 |
2 |
5 |
4 |
0 |
0 |
0 |
1 |
1 |
0 |
2 |
0 |
0 |
0 |
0 |
0 |
|
| R |
町立久賀小学校 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
|
| (大島郡周防大島町) |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
|
| |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
| S |
宮岬集会所 |
- |
- |
48.2 |
57.1 |
- |
- |
- |
- |
- |
- |
44.2 |
- |
- |
- |
- |
- |
|
| (柳井市神代) |
- |
- |
(37.1) |
(41.6) |
- |
- |
- |
- |
- |
- |
(36.5) |
- |
- |
- |
- |
- |
|
| |
0 |
0 |
2 |
4 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
|
|
※7/2〜7/5、7/9〜7/11は各測定装置保守点検のため欠測。 |
|
|
【測定位置図】はこちら |
|
お問い合わせ先 |
中国四国防衛局 企画部 防音対策課 |
|
|
082−223−7211 |
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|
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WECPNLとは:「Weighted Equivalent Continuous Perceived Noise Level」(加重等価継続感覚騒音基準)の略で、 |
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音響の強度(dB(A):デシベル)、ひん度、継続時間、発生時間帯などの諸要素により、多数の航空機から受 |
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ける騒音の総量(総暴露量)を1日の平均として総合的に評価する基準で、ICAO(国際民間航空機構)で提案 |
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された航空機騒音の「うるささ」を表す単位です。 |
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Ldenとは :時間帯補正等価騒音レベルのこと。エネルギー積分により騒音の総暴露量を評価できる等価騒音レベルのひと |
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つで、夕方や夜間の騒音に重み付けをして評価するものです。 |
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