測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 22105 |
来内川 |
L-24 |
|
測定結果
| 採取年月日 |
2011.07.13 |
2011.08.24 |
2011.09.14 |
2011.10.26 |
2011.11.30 |
2011.12.14 |
2011.07.13 |
2011.08.24 |
2011.09.14 |
2011.10.26 |
2011.11.30 |
2011.12.14 |
2012.01.11 |
2012.02.22 |
2012.03.06 |
2012.01.11 |
2012.02.22 |
2012.03.06 |
| 採取時刻 |
1158 |
1405 |
1020 |
1140 |
1208 |
1018 |
1220 |
1417 |
1045 |
1147 |
1220 |
1033 |
1142 |
1020 |
1253 |
1148 |
1030 |
1311 |
| 天候 |
晴れ |
曇り |
雨 |
晴れ |
曇り |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
曇り |
曇り |
晴れ |
曇り |
| 気温 (℃) |
9.7 |
12.2 |
0.5 |
2.6 |
8.3 |
4.4 |
29.8 |
25.4 |
23.0 |
11.1 |
6.0 |
4.8 |
-0.2 |
-3.0 |
7.3 |
-0.2 |
-2.0 |
7.3 |
| 水温 (℃) |
17.8 |
18.1 |
18.0 |
10.8 |
7.7 |
3.4 |
15.1 |
14.9 |
15.2 |
10.5 |
6.8 |
3.9 |
1.1 |
0.5 |
1.0 |
2.4 |
2.4 |
3.6 |
| 採取水深 (m) |
0 |
0 |
0 |
0 |
0 |
0 |
4.9 |
5.4 |
5.8 |
5.3 |
5.2 |
5.4 |
0 |
0 |
0 |
5.4 |
5.1 |
5.2 |
| 全水深 (m) |
5.5 |
6.0 |
6.5 |
5.9 |
5.8 |
6.1 |
5.5 |
6.0 |
6.5 |
5.9 |
5.8 |
6.1 |
6.0 |
5.7 |
5.8 |
6.0 |
5.7 |
5.8 |
| pH |
7.2 |
7.5 |
7.2 |
7.3 |
7.3 |
7.3 |
6.9 |
6.7 |
7.2 |
7.2 |
7.3 |
7.3 |
7.1 |
7.1 |
7.2 |
7.0 |
7.1 |
6.8 |
| DO (mg/l) |
9.4 |
11 |
9.4 |
10 |
11 |
12 |
6.1 |
2.7 |
9.3 |
10 |
11 |
12 |
13 |
13 |
13 |
10 |
9.1 |
4.9 |
| BOD (mg/l) |
2.0 |
1.9 |
1.1 |
1.7 |
1.2 |
1.5 |
1.1 |
2.6 |
0.8 |
0.8 |
1.1 |
1.2 |
< 0.5 |
< 0.5 |
1.3 |
0.9 |
0.6 |
1.2 |
| COD (mg/l) |
7.0 |
2.7 |
2.2 |
2.1 |
1.4 |
1.4 |
3.5 |
3.9 |
2.3 |
2.0 |
1.2 |
1.4 |
1.2 |
1.0 |
1.9 |
1.0 |
1.5 |
1.5 |
| SS (mg/l) |
15 |
4 |
2 |
1 |
1 |
< 1 |
2 |
5 |
2 |
2 |
< 1 |
< 1 |
< 1 |
< 1 |
3 |
< 1 |
1 |
2 |
| 大腸菌群数 (MPN/100ml) |
2.4E+04 |
1.1E+04 |
7.0E+03 |
1.7E+03 |
1.3E+03 |
3.3E+02 |
2.2E+03 |
2.8E+03 |
4.9E+03 |
7.9E+02 |
1.3E+03 |
1.7E+02 |
2.2E+02 |
1.1E+02 |
2.4E+02 |
4.9E+02 |
4.9E+01 |
7.9E+01 |
| 全窒素 (mg/l) |
1.0 |
0.49 |
0.46 |
0.41 |
0.39 |
0.41 |
0.68 |
0.86 |
0.60 |
0.47 |
0.39 |
0.42 |
0.35 |
0.35 |
0.45 |
0.41 |
0.57 |
0.62 |
| 全燐 (mg/l) |
0.085 |
0.029 |
0.020 |
0.016 |
0.012 |
0.013 |
0.029 |
0.054 |
0.023 |
0.017 |
0.011 |
0.014 |
0.009 |
0.010 |
0.022 |
0.013 |
0.014 |
0.017 |
| クロロフィル-a (ug/l) |
2 |
12 |
< 1 |
< 1 |
< 1 |
< 1 |
3 |
31 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
1 |
1 |
| プランクトン(優占種) |
Chlamidomo |
Cryptophyc |
Melosira s |
Navicula s |
|
|
|
|
|
|
|
|
|
|
|
|
|
|