測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 01952 |
北上川（４） |
藤橋 |
A |
測定結果
| 採取年月日 |
1992.04.16 |
1992.05.06 |
1992.06.03 |
1992.07.29 |
1992.08.04 |
1992.08.04 |
1992.08.04 |
1992.08.05 |
1992.09.02 |
1992.10.07 |
1992.11.04 |
1992.12.02 |
1993.01.06 |
1993.02.03 |
1993.03.03 |
| 採取時刻 |
1155 |
1240 |
1205 |
1235 |
1155 |
1755 |
2355 |
0555 |
1305 |
1215 |
1305 |
1330 |
1425 |
1315 |
1235 |
| 天候 |
雨 |
2 |
2 |
4 |
4 |
2 |
2 |
4 |
4 |
4 |
2 |
4 |
4 |
4 |
4 |
| 気温 (℃) |
6.6 |
16.4 |
26.0 |
30.2 |
19.4 |
18.2 |
15.4 |
16.7 |
28.2 |
16.5 |
15.6 |
6.7 |
4.4 |
6.5 |
5.8 |
| 水温 (℃) |
6.5 |
11.2 |
17.5 |
22.9 |
19.8 |
19.8 |
18.0 |
17.8 |
24.1 |
13.9 |
10.3 |
5.5 |
2.0 |
2.5 |
3.4 |
| pH |
7.1 |
7.1 |
7.5 |
7.6 |
7.6 |
7.8 |
7.5 |
7.5 |
7.9 |
7.9 |
7.4 |
7.6 |
7.5 |
7.8 |
7.5 |
| DO (mg/l) |
11 |
11 |
10 |
8.5 |
9.6 |
9.8 |
8.5 |
8.1 |
9 |
11 |
11 |
13 |
14 |
14 |
13 |
| BOD (mg/l) |
1.7 |
1.3 |
1.5 |
1 |
0.9 |
1 |
1.2 |
1.1 |
1.4 |
1.4 |
1.1 |
1 |
1 |
1.6 |
0.9 |
| COD (mg/l) |
2.2 |
3 |
2.3 |
2.8 |
2.8 |
|
|
|
2.8 |
2.3 |
2.5 |
2.1 |
2 |
2.3 |
2.5 |
| SS (mg/l) |
13 |
19 |
5 |
9 |
4 |
3 |
6 |
6 |
3 |
2 |
8 |
3 |
3 |
5 |
10 |
| 大腸菌群数 (MPN/100ml) |
1.30E+04 |
3.30E+03 |
1.70E+03 |
2.40E+03 |
2.40E+03 |
1.30E+03 |
1.40E+04 |
4.90E+04 |
1.30E+04 |
3.30E+03 |
1.30E+03 |
3.30E+04 |
1.30E+04 |
2.40E+03 |
7.90E+04 |
| 全窒素 (mg/l) |
|
1.01 |
|
1.29 |
|
|
|
|
0.92 |
|
0.82 |
|
1.12 |
|
1.32 |
| 全燐 (mg/l) |
|
0.019 |
|
0.077 |
|
|
|
|
0.061 |
|
0.045 |
|
0.042 |
|
0.06 |
| 鉄(溶解性) (mg/l) |
|
6.2 |
|
1.7 |
|
|
|
|
1.3 |
|
2 |
|
2 |
|
3.6 |