測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
24502 |
綾里川 |
L‐20 |
|
測定結果
採取年月日 |
2007.04.18 |
2007.05.16 |
2007.06.13 |
2007.07.18 |
2007.08.22 |
2007.09.12 |
2007.10.17 |
2007.11.14 |
2007.12.12 |
2008.01.16 |
2008.02.06 |
2008.03.03 |
2007.04.18 |
2007.05.16 |
2007.06.13 |
2007.07.18 |
2007.08.22 |
2007.09.12 |
2007.10.17 |
2007.11.14 |
2007.12.12 |
2008.01.16 |
2008.02.06 |
2008.03.03 |
2007.04.18 |
2007.05.16 |
2007.06.13 |
2007.07.18 |
2007.08.22 |
2007.09.12 |
2007.10.17 |
2007.11.14 |
2007.12.12 |
2008.01.16 |
2008.02.06 |
2008.03.03 |
採取時刻 |
1124 |
1105 |
1103 |
1115 |
1110 |
1113 |
1127 |
1120 |
1112 |
1108 |
1100 |
1110 |
1130 |
1106 |
1120 |
1121 |
1117 |
1124 |
1131 |
1128 |
1119 |
1116 |
1108 |
1119 |
1145 |
1125 |
1121 |
1131 |
1125 |
1136 |
1140 |
1134 |
1128 |
1124 |
1115 |
1135 |
気温 (℃) |
11 |
21 |
31.5 |
19.5 |
23.5 |
17.5 |
18.2 |
15.4 |
7.5 |
1.5 |
2.3 |
4.5 |
11 |
21 |
31.5 |
19.5 |
23.5 |
17.5 |
18.2 |
14.2 |
7.5 |
1.5 |
2.3 |
4.5 |
11 |
21 |
31.5 |
19.5 |
23.5 |
17.5 |
18.2 |
14.6 |
7.5 |
1.5 |
2.3 |
4.5 |
水温 (℃) |
7.2 |
11.5 |
17.7 |
16 |
23.3 |
20.6 |
18 |
13.9 |
8.1 |
4 |
1.8 |
2.6 |
7 |
11.5 |
15.8 |
15 |
19.7 |
20.5 |
17.3 |
13.3 |
8 |
3.8 |
2.4 |
2.7 |
6 |
6.5 |
13.1 |
10.9 |
14.6 |
16.7 |
17.2 |
13.7 |
7.9 |
3.9 |
2.5 |
2.8 |
採取水深 (m) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
11 |
11 |
11 |
12 |
10 |
11 |
10 |
10 |
10 |
10 |
10 |
8 |
22 |
22 |
21 |
23 |
20 |
21 |
20 |
19 |
20 |
20 |
18 |
16 |
全水深 (m) |
23 |
23.5 |
22 |
24 |
21 |
22.5 |
21 |
20 |
21 |
21 |
19.5 |
17 |
23 |
23.5 |
22 |
24 |
21 |
22.5 |
21 |
20 |
21 |
21 |
19.5 |
17 |
23 |
23.5 |
22 |
24 |
21 |
22.5 |
21 |
20 |
21 |
21 |
19.5 |
17 |
pH |
7.6 |
8.8 |
7.6 |
8 |
8.8 |
7.1 |
7.4 |
7.4 |
7.5 |
7.6 |
7.5 |
7.4 |
7.6 |
8.3 |
7.4 |
7.3 |
7.3 |
7.1 |
7.4 |
7.4 |
7.4 |
7.6 |
7.5 |
7.4 |
7.2 |
7.1 |
7.2 |
7.2 |
6.3 |
6.8 |
7.3 |
7.4 |
7.5 |
7.6 |
7.4 |
7.4 |
DO (mg/l) |
12 |
12 |
10 |
11 |
11 |
7.5 |
8.9 |
9.3 |
11 |
12 |
13 |
12 |
13 |
12 |
10 |
9.8 |
9 |
7.7 |
8.6 |
9.3 |
11 |
13 |
13 |
12 |
12 |
10 |
8.9 |
8.2 |
1.9 |
2.2 |
8.7 |
9.3 |
10 |
13 |
13 |
12 |
BOD (mg/l) |
2 |
1.4 |
1.3 |
1.2 |
6.1 |
1.5 |
1.2 |
0.6 |
1.7 |
1.3 |
1.4 |
0.7 |
1.4 |
1.4 |
0.9 |
1.1 |
0.6 |
0.5 |
0.7 |
0.9 |
1.1 |
1.1 |
1.6 |
1.1 |
0.9 |
0.9 |
< 0.5 |
1.1 |
1.7 |
1.8 |
0.9 |
0.6 |
1.2 |
1.1 |
2 |
0.9 |
COD (mg/l) |
1.8 |
2.6 |
1.6 |
2.6 |
5.4 |
2.7 |
2.4 |
1.8 |
2.1 |
2.5 |
2.6 |
1.8 |
2 |
2.4 |
1.6 |
1.5 |
1.5 |
2 |
2.2 |
2.2 |
2.3 |
2.4 |
3 |
2.2 |
1.6 |
1.8 |
1.4 |
2.2 |
2.6 |
2.6 |
2.4 |
2 |
2.4 |
2.4 |
2.8 |
2.5 |
SS (mg/l) |
3 |
5 |
2 |
5 |
5 |
2 |
2 |
1 |
2 |
4 |
4 |
3 |
3 |
4 |
2 |
2 |
< 1 |
1 |
3 |
< 1 |
2 |
4 |
4 |
3 |
2 |
2 |
2 |
2 |
4 |
2 |
3 |
< 1 |
1 |
4 |
3 |
2 |
大腸菌群数 (MPN/100ml) |
13 |
8.0 |
13 |
240 |
490 |
490 |
240 |
330 |
33 |
49 |
2.0 |
2.0 |
33 |
13 |
8.0 |
130 |
33 |
790 |
240 |
170 |
33 |
33 |
13 |
4.0 |
17 |
13 |
4.0 |
49 |
17 |
490 |
330 |
240 |
27 |
33 |
2.0 |
2.0 |
全窒素 (mg/l) |
0.28 |
0.3 |
0.29 |
0.5 |
0.61 |
0.47 |
0.53 |
0.45 |
0.48 |
0.49 |
0.48 |
0.48 |
0.26 |
0.3 |
0.27 |
0.47 |
0.27 |
0.47 |
0.47 |
0.46 |
0.53 |
0.5 |
0.52 |
0.48 |
0.27 |
1.3 |
0.37 |
0.72 |
0.91 |
1.2 |
0.46 |
0.47 |
0.51 |
0.48 |
0.52 |
0.5 |
全燐 (mg/l) |
0.017 |
0.022 |
0.017 |
0.029 |
0.036 |
0.017 |
0.014 |
0.012 |
0.016 |
0.015 |
0.01 |
0.012 |
0.019 |
0.021 |
0.014 |
0.026 |
0.009 |
0.013 |
0.014 |
0.012 |
0.011 |
0.015 |
0.014 |
0.014 |
0.013 |
0.019 |
0.017 |
0.049 |
0.045 |
0.036 |
0.014 |
0.012 |
0.012 |
0.016 |
0.013 |
0.014 |
マンガン(溶解性) (mg/l) |
0.04 |
0.04 |
0.06 |
0.14 |
0.07 |
0.2 |
0.1 |
0.04 |
0.11 |
0.16 |
0.17 |
0.19 |
0.04 |
0.03 |
0.11 |
0.14 |
0.11 |
0.15 |
0.13 |
0.07 |
0.11 |
0.16 |
0.17 |
0.2 |
0.11 |
1.1 |
0.04 |
5 |
4.2 |
3.6 |
0.15 |
0.04 |
0.11 |
0.15 |
0.18 |
0.2 |
クロロフィル-a (ug/l) |
11 |
14 |
3 |
21 |
4 |
5 |
3 |
< 1 |
5 |
6 |
8 |
< 1 |
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トリハロメタン生成能 (mg/l) |
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0.029 |
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プランクトン(優占種) |
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Synedra sp |
Dinobryon |
ホシガタケ |
Eudorina s |
Peridinium |
ホシガタケ |
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