Data Summary: Nojiri-ko (Lake Nojiri)
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| Site Name |
ASI-43 |
Photo : A. Kurata |
| Lake Name |
Nojiri-ko (Lake Nojiri) |
| State |
Nagano Prefecture |
| Country |
Japan |
| Latitude |
36:5N |
| Longitude |
138:1E |
| Altitude [m] |
654 |
| Surface area [m2] |
4,556,000 |
Volume [m3] |
95,676,000 |
| Maximum depth [m] |
38.5 |
Mean depth [m] |
21 |
| Water level control |
Regulated |
Normal range of annual water level fluctuation [m] |
6.4 |
| Length of shoreline [m] |
13,600 |
Residence time [yr] |
2 |
| Catchment area [m2] |
8,240,000 |
Hours of bright Sunshine [hr yr-1] |
2,112 |
| Solar radiation [MJ m-2 day-1] |
- |
Freezing period |
Jan-Mar |
| Mixing type |
Dimictic |
Annual fish catch [t yr-1] |
6.8 |
| Total N loading [t yr-1] |
- |
Total P loading [t yr-1] |
- |
| Population |
3,576 |
Population density of catchment area [person km-2] |
17.8 |
WATER USAGE
| Domestic water usage [m3 sec-1] |
0.11 |
Irigation water usage [m3 sec-1] |
1.07 |
| Industrial water usage [m3 sec-1] |
- |
Power generation usage [m3 sec-1] |
2.85 |
LAND USE
| Natural landscape [%] |
91.8 |
Agricultural land [%] |
2.3 |
Others [%] |
5.9 |
| Siltation |
- |
Toxic Contamination |
- |
| Eutrophication |
Serious |
Acidification |
- |
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