Data Summary: Nagase-damu-ko (Nagase Reservoir)
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| Site Name |
ASI-06 |
Photo : T.Nishijima |
| Lake Name |
Nagase-damu-ko (Nagase Reservoir) |
| State |
Kochi Prefecture |
| Country |
Japan |
| Latitude |
33:4N |
| Longitude |
133:5E |
| Altitude [m] |
196 |
| Surface area [m2] |
2,000,000 |
Volume [m3] |
58,800,000 |
| Maximum depth [m] |
67 |
Mean depth [m] |
28.2 |
| Water level control |
Regulated |
Normal range of annual water level fluctuation [m] |
26 |
| Length of shoreline [m] |
- |
Residence time [yr] |
0.056 |
| Catchment area [m2] |
295,000,000 |
Hours of bright Sunshine [hr yr-1] |
- |
| Solar radiation [MJ m-2 day-1] |
- |
Freezing period |
None |
| Mixing type |
- |
Annual fish catch [t yr-1] |
- |
| Total N loading [t yr-1] |
102.3095 |
Total P loading [t yr-1] |
7.7015 |
| Population |
5,000 |
Population density of catchment area [person km-2] |
16.9 |
WATER USAGE
| Domestic water usage [m3 sec-1] |
- |
Irigation water usage [m3 sec-1] |
- |
| Industrial water usage [m3 sec-1] |
- |
Power generation usage [m3 sec-1] |
30 |
LAND USE
| Natural landscape [%] |
98.6 |
Agricultural land [%] |
1.4 |
Others [%] |
- |
| Siltation |
None |
Toxic Contamination |
None |
| Eutrophication |
Serious |
Acidification |
None |
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