Data Summary: Ogawara-ko (Lake Ogawara)
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| Site Name |
ASI-40 |
Photo : A. Kurata |
| Lake Name |
Ogawara-ko (Lake Ogawara) |
| State |
Aomori Prefecture |
| Country |
Japan |
| Latitude |
40:5N |
| Longitude |
141:2E |
| Altitude [m] |
0 |
| Surface area [m2] |
62300000 |
Volume [m3] |
714000000 |
| Maximum depth [m] |
25 |
Mean depth [m] |
11.2 |
| Water level control |
Unregulated |
Normal range of annual water level fluctuation [m] |
0.7 |
| Length of shoreline [m] |
67400 |
Residence time [yr] |
0.8 |
| Catchment area [m2] |
800000000 |
Hours of bright Sunshine [hr yr-1] |
1950 |
| Solar radiation [MJ m-2 day-1] |
12 |
Freezing period |
Dec-Mar |
| Mixing type |
Dimictic |
Annual fish catch [t yr-1] |
1952 |
| Total N loading [t yr-1] |
2853.9 |
Total P loading [t yr-1] |
485.8 |
| Population |
78396 |
Population density of catchment area [person km-2] |
98 |
WATER USAGE
| Domestic water usage [m3 sec-1] |
0 |
Irigation water usage [m3 sec-1] |
9 |
| Industrial water usage [m3 sec-1] |
0 |
Power generation usage [m3 sec-1] |
0 |
LAND USE
| Natural landscape [%] |
47.9 |
Agricultural land [%] |
20.9 |
Others [%] |
31.2 |
| Siltation |
None |
Toxic Contamination |
None |
| Eutrophication |
- |
Acidification |
None |
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