Data Summary: Chuzenji-ko (Lake Chuzenji)
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| Site Name |
ASI-05 |
Photo : A. Kurata |
| Lake Name |
Chuzenji-ko (Lake Chuzenji) |
| State |
Tochigi Prefecture |
| Country |
Japan |
| Latitude |
36:4N |
| Longitude |
139:2E |
| Altitude [m] |
1,269 |
| Surface area [m2] |
12,000,000 |
Volume [m3] |
1,200,000,000 |
| Maximum depth [m] |
163 |
Mean depth [m] |
94.6 |
| Water level control |
Regulated |
Normal range of annual water level fluctuation [m] |
2 |
| Length of shoreline [m] |
24,000 |
Residence time [yr] |
6.1 |
| Catchment area [m2] |
121,000,000 |
Hours of bright Sunshine [hr yr-1] |
2,058 |
| Solar radiation [MJ m-2 day-1] |
- |
Freezing period |
None |
| Mixing type |
Monomictic |
Annual fish catch [t yr-1] |
25 |
| Total N loading [t yr-1] |
77.033 |
Total P loading [t yr-1] |
7.287 |
| Population |
1,366 |
Population density of catchment area [person km-2] |
11.3 |
WATER USAGE
| Domestic water usage [m3 sec-1] |
0.027 |
Irigation water usage [m3 sec-1] |
- |
| Industrial water usage [m3 sec-1] |
- |
Power generation usage [m3 sec-1] |
1.32 |
LAND USE
| Natural landscape [%] |
99.1 |
Agricultural land [%] |
0.3 |
Others [%] |
0.6 |
| Siltation |
None |
Toxic Contamination |
- |
| Eutrophication |
Serious |
Acidification |
- |
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