Data Summary: Lake Superior
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| Lake Name |
Lake Superior |
Photo : A. Kurata |
| Site Name |
NAM-04 |
| State |
Michigan, Wisconsin and Minnesota, U.S.A.; and Ontario, Canada
|
| Country |
Canada and U.S.A. |
| Latitude |
47:3N |
| Longitude |
88:2W |
| Altitude [m] |
183 |
| Surface area [m2] |
82,367,000,000 |
Volume [m3] |
1.22E+13 |
| Maximum depth [m] |
406 |
Water level control |
Regulated |
| Normal range of annual water level fluctuation[m] |
0.3 |
Length of shoreline [m] |
4,768,000 |
| Residence time [yr] |
191 |
Catchment area [m2] |
12.4838 |
| Hours of bright Sunshine [hr yr-1] |
2,104 |
Solar radiation [MJ m-2 day-1] |
31.22 |
| Freezing period |
Nov-Apr |
Mixing type |
Dimictic |
| Annual fish catch [t yr-1] |
4,184 |
| Total N loading [t yr-1] |
- |
Total P loading [t yr-1] |
- |
| Population |
533,500 |
Population density of catchment area [person km-2] |
4.3 |
WATER USAGE
| Domestic water usage [m3 sec-1] |
1.736111111 |
Irigation water usage [m3 sec-1] |
0.100694444 |
| Industrial water usage [m3 sec-1] |
12.5 |
Power generation usage [m3 sec-1] |
24.42129629 |
LAND USE
| Natural landscape [%] |
99 |
Agricultural land [%] |
1 |
Others [%] |
1 |
| Siltation |
Not serious |
Toxic Contamination |
Not serious |
| Eutrophication |
Not serious |
Acidification |
- |
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