測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 04701 |
雫石川下流 |
東北本線鉄橋 |
A |
測定結果
| 採取年月日 |
1993.04.15 |
1993.05.19 |
1993.06.02 |
1993.07.07 |
1993.08.10 |
1993.08.10 |
1993.08.10 |
1993.08.10 |
1993.09.02 |
1993.10.06 |
1993.11.10 |
1993.12.15 |
1994.01.12 |
1994.02.09 |
1994.03.02 |
| 採取時刻 |
1340 |
1350 |
1330 |
1410 |
0020 |
0620 |
1220 |
1820 |
1410 |
1315 |
1410 |
1320 |
1355 |
1330 |
1340 |
| 天候 |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
曇り |
雪 |
| 気温 (℃) |
18.3 |
18.3 |
22.2 |
25.1 |
16.0 |
16.1 |
22.8 |
17.2 |
27.4 |
17.8 |
10.0 |
1.6 |
3.9 |
4.3 |
5.3 |
| 水温 (℃) |
9.8 |
12.9 |
14.5 |
20.3 |
14.5 |
14.6 |
19.6 |
17.5 |
20.8 |
14.5 |
10.0 |
4.2 |
3.0 |
4.5 |
5.0 |
| 流量 (m3/s) |
37.10 |
71.70 |
42.10 |
10.00 |
17.60 |
13.20 |
16.30 |
19.60 |
15.60 |
20.30 |
34.30 |
37.10 |
21.10 |
11.00 |
47.40 |
| pH |
8.4 |
7.2 |
7.4 |
7.3 |
7.2 |
7.1 |
7.2 |
7.2 |
7.3 |
7.7 |
7.5 |
7.3 |
7.6 |
7.7 |
7.6 |
| DO (mg/l) |
13 |
10 |
10 |
9.1 |
8.6 |
8.5 |
9.3 |
8.7 |
9.2 |
11 |
11 |
13 |
14 |
14 |
14 |
| BOD (mg/l) |
1.3 |
1 |
1 |
0.8 |
0.5 |
0.5 |
0.6 |
0.6 |
0.5 |
0.8 |
0.9 |
1.1 |
0.7 |
1.5 |
0.8 |
| COD (mg/l) |
2.1 |
2.2 |
1.6 |
2.7 |
|
1.8 |
|
|
1.9 |
1.4 |
1.5 |
1 |
1.1 |
1.2 |
1.4 |
| SS (mg/l) |
5 |
11 |
3 |
7 |
5 |
2 |
5 |
9 |
3 |
1 |
3 |
2 |
1 |
3 |
4 |
| 大腸菌群数 (MPN/100ml) |
2.3E+02 |
2.4E+03 |
1.1E+03 |
3.3E+04 |
1.3E+04 |
3.3E+03 |
7.9E+03 |
7.9E+03 |
2.2E+04 |
2.8E+03 |
2.2E+02 |
4.9E+04 |
3.3E+04 |
4.9E+03 |
4.9E+03 |
| 全窒素 (mg/l) |
|
0.74 |
|
0.93 |
|
|
|
|
0.93 |
|
0.42 |
|
0.6 |
|
0.59 |
| 全燐 (mg/l) |
|
0.027 |
|
0.029 |
|
|
|
|
0.017 |
|
0.013 |
|
0.01 |
|
0.014 |