測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
26002 |
鷹生川 |
L-23(鷹生ダム貯水池) |
|
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 |
1147 |
1119 |
1133 |
1123 |
1215 |
1125 |
1138 |
1103 |
1125 |
1142 |
1220 |
1236 |
1200 |
1139 |
1148 |
1147 |
1240 |
1135 |
1153 |
1120 |
1135 |
1149 |
1237 |
1245 |
1210 |
1147 |
1210 |
1153 |
1250 |
1150 |
1210 |
1128 |
1150 |
1155 |
1248 |
1255 |
気温 (℃) |
7.8 |
18.2 |
28.0 |
17.6 |
23.7 |
22.2 |
17.8 |
13.1 |
6.9 |
0.2 |
2.4 |
6.2 |
7.8 |
18.2 |
28.0 |
17.6 |
23.7 |
22.2 |
17.8 |
13.1 |
6.9 |
0.2 |
2.4 |
6.2 |
7.8 |
18.2 |
28.0 |
17.6 |
23.7 |
22.2 |
17.8 |
13.1 |
6.9 |
0.2 |
2.4 |
6.2 |
水温 (℃) |
7.9 |
14.0 |
20.3 |
15.4 |
23.8 |
20.0 |
15.4 |
10.8 |
5.9 |
2.1 |
2.7 |
3.0 |
5.4 |
8.0 |
8.0 |
7.3 |
9.7 |
12.5 |
9.8 |
10.4 |
5.6 |
2.4 |
3.0 |
3.1 |
4.7 |
5.9 |
6.8 |
5.6 |
7.6 |
7.1 |
6.4 |
6.3 |
5.4 |
2.9 |
3.3 |
3.3 |
全水深 (m) |
33.2 |
33.3 |
33.2 |
33.9 |
33.0 |
36.5 |
35.3 |
33.0 |
32.5 |
30.0 |
29.6 |
29.3 |
33.2 |
33.3 |
33.2 |
33.9 |
33.0 |
36.5 |
35.3 |
33.0 |
32.5 |
30.0 |
29.6 |
29.3 |
33.2 |
33.3 |
33.2 |
33.9 |
33.0 |
36.5 |
35.3 |
33.0 |
32.5 |
30.0 |
29.6 |
29.3 |
pH |
7.6 |
7.6 |
7.7 |
7.3 |
7.6 |
7.1 |
7.4 |
7.2 |
7.4 |
7.3 |
7.3 |
7.2 |
7.5 |
7.1 |
7.1 |
6.9 |
6.7 |
6.6 |
6.7 |
7.1 |
7.4 |
7.2 |
7.1 |
7.1 |
7.2 |
7.1 |
6.9 |
6.9 |
6.7 |
6.7 |
6.8 |
6.0 |
7.4 |
7.2 |
7.0 |
6.9 |
DO (mg/l) |
12 |
10 |
9.6 |
9.7 |
8.6 |
8.1 |
9.3 |
9.9 |
10 |
12 |
12 |
13 |
12 |
10 |
10 |
8.9 |
7.0 |
5.5 |
4.7 |
9.4 |
10 |
12 |
12 |
12 |
11 |
10 |
9.0 |
7.4 |
6.5 |
4.9 |
4.2 |
2.5 |
10 |
12 |
11 |
9.8 |
BOD (mg/l) |
0.7 |
0.7 |
0.8 |
0.9 |
0.8 |
0.9 |
0.6 |
0.9 |
1.5 |
1.2 |
0.6 |
1.1 |
< 0.5 |
< 0.5 |
< 0.5 |
1.0 |
0.9 |
1.1 |
< 0.5 |
0.8 |
0.8 |
1.3 |
0.7 |
0.6 |
< 0.5 |
1.2 |
2.2 |
1.3 |
1.2 |
0.6 |
0.5 |
0.5 |
1.0 |
1.1 |
0.7 |
< 0.5 |
COD (mg/l) |
1.5 |
1.6 |
2.0 |
2.8 |
1.9 |
2.4 |
2.8 |
2.9 |
3.3 |
2.5 |
1.5 |
2.0 |
1.2 |
1.3 |
1.4 |
1.5 |
1.4 |
11 |
9.0 |
3.2 |
2.7 |
2.0 |
1.8 |
2.4 |
1.2 |
1.5 |
1.4 |
1.5 |
5.0 |
3.4 |
9.0 |
3.4 |
2.7 |
2.2 |
2.3 |
2.3 |
SS (mg/l) |
2 |
2 |
1 |
2 |
< 1 |
8 |
1 |
2 |
3 |
< 1 |
2 |
1 |
< 1 |
1 |
< 1 |
3 |
< 1 |
70 |
19 |
3 |
2 |
1 |
1 |
1 |
2 |
7 |
< 1 |
3 |
4 |
11 |
14 |
4 |
3 |
1 |
2 |
2 |
大腸菌群数 (MPN/100ml) |
8 |
17 |
49 |
490 |
330 |
1100 |
330 |
240 |
79 |
11 |
8 |
2 |
2 |
4 |
13 |
170 |
240 |
3300 |
330 |
330 |
79 |
22 |
8 |
2 |
4 |
2 |
13 |
79 |
110 |
490 |
490 |
330 |
70 |
22 |
17 |
4 |
全窒素 (mg/l) |
0.40 |
0.46 |
0.39 |
0.47 |
0.39 |
0.62 |
0.42 |
0.36 |
0.43 |
0.39 |
0.36 |
0.40 |
0.38 |
0.40 |
0.40 |
0.45 |
0.46 |
1.0 |
0.71 |
0.38 |
0.42 |
0.40 |
0.40 |
0.39 |
0.39 |
0.47 |
0.44 |
0.51 |
0.55 |
0.64 |
0.70 |
0.52 |
0.45 |
0.40 |
0.46 |
0.49 |
全燐 (mg/l) |
0.007 |
0.009 |
0.008 |
0.016 |
0.013 |
0.030 |
0.008 |
0.009 |
0.010 |
0.007 |
0.003 |
0.005 |
0.008 |
0.006 |
0.005 |
0.006 |
0.006 |
0.14 |
0.059 |
0.011 |
0.010 |
0.007 |
0.005 |
0.006 |
0.021 |
0.009 |
0.006 |
0.007 |
0.008 |
0.032 |
0.051 |
0.023 |
0.012 |
0.009 |
0.008 |
0.007 |
クロロフィル-a (ug/l) |
2 |
1 |
1 |
2 |
1 |
2 |
1 |
1 |
1 |
< 1 |
< 1 |
< 1 |
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プランクトン(優占種) |
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Rhizosolen |
Cryptophyc |
Cryptomona |
Dinobryon |
黄金色藻網 |
Teraspora |
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