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 |
2011.07.21 |
2011.08.17 |
2011.09.14 |
2011.10.12 |
2011.11.29 |
2011.12.14 |
2011.07.21 |
2011.08.17 |
2011.09.14 |
2011.10.12 |
2011.11.29 |
2011.12.14 |
2011.07.21 |
2011.08.17 |
2011.09.14 |
2011.10.12 |
2011.11.29 |
2011.12.14 |
2012.01.16 |
2012.02.02 |
2012.03.01 |
2012.01.16 |
2012.02.02 |
2012.03.01 |
2012.01.16 |
2012.02.02 |
2012.03.01 |
採取時刻 |
1126 |
1311 |
1142 |
1201 |
1120 |
1137 |
1100 |
1320 |
1155 |
1208 |
1129 |
1153 |
1157 |
1326 |
1207 |
1221 |
1143 |
1206 |
1100 |
1100 |
1050 |
1110 |
1110 |
1058 |
1120 |
1120 |
1105 |
天候 |
晴れ |
曇り |
雨 |
晴れ |
曇り |
晴れ |
晴れ |
曇り |
雨 |
晴れ |
曇り |
晴れ |
晴れ |
曇り |
雨 |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
気温 (℃) |
23.5 |
30.8 |
21.1 |
20.3 |
19.3 |
5.5 |
23.5 |
30.8 |
21.1 |
20.3 |
19.3 |
5.5 |
23.5 |
30.8 |
21.1 |
20.3 |
19.3 |
5.5 |
0.3 |
2.0 |
8.0 |
0.3 |
2.0 |
8.0 |
0.3 |
2.0 |
8.0 |
水温 (℃) |
22.8 |
26.4 |
22.0 |
14.2 |
9.3 |
4.9 |
11.0 |
9.8 |
11.4 |
12.7 |
8.4 |
5.0 |
7.6 |
7.4 |
6.5 |
7.6 |
6.5 |
4.7 |
1.1 |
1.3 |
2.3 |
1.8 |
2.2 |
2.8 |
2.3 |
2.6 |
3.0 |
採取水深 (m) |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
15.4 |
13.9 |
17.0 |
15.9 |
15.8 |
15.8 |
29.9 |
26.8 |
32.9 |
30.9 |
30.7 |
30.7 |
0 |
0 |
0 |
15.1 |
14.4 |
13.7 |
29.2 |
27.9 |
26.4 |
全水深 (m) |
30.9 |
27.8 |
33.9 |
31.9 |
31.7 |
31.7 |
30.9 |
27.8 |
33.9 |
31.9 |
31.7 |
31.7 |
30.9 |
27.8 |
33.9 |
31.9 |
31.7 |
31.7 |
30.2 |
28.9 |
27.4 |
30.2 |
28.9 |
27.4 |
30.2 |
28.9 |
27.4 |
pH |
7.4 |
8.4 |
8.5 |
7.2 |
7.1 |
7.2 |
6.8 |
6.8 |
6.6 |
6.9 |
7.0 |
7.1 |
6.8 |
6.7 |
6.7 |
6.5 |
6.6 |
7.1 |
7.3 |
7.4 |
7.2 |
7.2 |
7.3 |
7.0 |
7.1 |
7.1 |
6.8 |
DO (mg/l) |
8.9 |
9.6 |
10 |
10 |
10 |
11 |
7.6 |
6.3 |
4.0 |
8.1 |
10 |
11 |
6.7 |
4.3 |
2.0 |
1.3 |
1.8 |
11 |
13 |
13 |
13 |
12 |
12 |
12 |
12 |
11 |
9.2 |
BOD (mg/l) |
1.2 |
1.7 |
2.1 |
1.6 |
1.2 |
1.1 |
< 0.5 |
< 0.5 |
0.7 |
< 0.5 |
2.0 |
1.4 |
< 0.5 |
0.6 |
0.8 |
0.9 |
1.0 |
1.6 |
0.6 |
< 0.5 |
1.1 |
0.6 |
< 0.5 |
0.9 |
0.9 |
< 0.5 |
0.8 |
COD (mg/l) |
2.7 |
3.0 |
3.7 |
3.1 |
1.9 |
1.9 |
2.3 |
2.1 |
2.2 |
2.5 |
1.8 |
2.1 |
1.9 |
2.1 |
2.5 |
3.4 |
2.8 |
2.2 |
1.5 |
1.4 |
1.3 |
1.4 |
1.5 |
1.3 |
1.9 |
1.6 |
1.2 |
SS (mg/l) |
2 |
2 |
2 |
< 1 |
1 |
2 |
2 |
< 1 |
1 |
< 1 |
1 |
2 |
3 |
1 |
8 |
7 |
7 |
3 |
1 |
< 1 |
< 1 |
1 |
< 1 |
< 1 |
< 1 |
1 |
1 |
大腸菌群数 (MPN/100ml) |
7.9E+02 |
7.9E+02 |
4.9E+02 |
2.3E+02 |
7.9E+01 |
4.9E+01 |
3.3E+02 |
3.3E+02 |
3.3E+02 |
2.3E+02 |
7.9E+01 |
4.9E+01 |
1.3E+02 |
7.9E+01 |
3.3E+02 |
4.9E+02 |
1.1E+02 |
7.9E+01 |
7.0E+00 |
4.0E+00 |
4.0E+00 |
4.0E+00 |
2.0E+00 |
1.3E+01 |
4.0E+00 |
4.0E+00 |
< 1.8E+00 |
全窒素 (mg/l) |
0.43 |
0.38 |
0.58 |
0.57 |
0.53 |
0.48 |
0.51 |
0.51 |
0.63 |
0.48 |
0.46 |
0.51 |
0.52 |
0.64 |
0.86 |
1.1 |
1.1 |
0.51 |
0.31 |
0.34 |
0.37 |
0.28 |
0.35 |
0.39 |
0.32 |
0.38 |
0.51 |
全燐 (mg/l) |
0.008 |
0.014 |
0.017 |
0.008 |
0.004 |
0.009 |
0.005 |
0.007 |
0.009 |
0.008 |
0.004 |
0.011 |
0.006 |
0.012 |
0.026 |
0.035 |
0.022 |
0.011 |
0.005 |
0.003 |
0.004 |
0.005 |
0.003 |
0.005 |
0.006 |
0.004 |
0.007 |
クロロフィル-a (ug/l) |
2 |
1 |
14 |
4 |
< 1 |
1 |
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< 1 |
< 1 |
< 1 |
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プランクトン(優占種) |
Coenochlor |
黄金色藻網 |
Cryptophyc |
Cryptophyc |
Cryptophyc |
Cryptophyc |
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