Data Summary: Sagami-ko (Sagami Reservoir)
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| Site Name |
ASI-18 |
Photo : A. Kurata |
| Lake Name |
Sagami-ko (Sagami Reservoir) |
| State |
Kanagawa Prefecture |
| Country |
Japan |
| Latitude |
35:4N |
| Longitude |
139:1E |
| Altitude [m] |
167 |
| Surface area [m2] |
3,260,000 |
Volume [m3] |
63,200,000 |
| Maximum depth [m] |
32 |
Mean depth [m] |
19 |
| Water level control |
Regulated |
Normal range of annual water level fluctuation [m] |
7.5 |
| Length of shoreline [m] |
34,400 |
Residence time [yr] |
0.05 |
| Catchment area [m2] |
1,064,000,000 |
Hours of bright Sunshine [hr yr-1] |
2,235.7 |
| Solar radiation [MJ m-2 day-1] |
- |
Freezing period |
None |
| Mixing type |
Monomictic |
Annual fish catch [t yr-1] |
0 |
| Total N loading [t yr-1] |
- |
Total P loading [t yr-1] |
- |
| Population |
200300 |
Population density of catchment area [person km-2] |
188.3 |
WATER USAGE
| Domestic water usage [m3 sec-1] |
10.34 |
Irigation water usage [m3 sec-1] |
4.16 |
| Industrial water usage [m3 sec-1] |
2.15 |
Power generation usage [m3 sec-1] |
85 |
LAND USE
| Natural landscape [%] |
87.5 |
Agricultural land [%] |
4.6 |
Others [%] |
7.9 |
| Siltation |
None |
Toxic Contamination |
None |
| Eutrophication |
Serious |
Acidification |
None |
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