Data Summary: Lac Saint-Jean (Lake Saint-John)
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| Lake Name |
Lac Saint-Jean (Lake Saint-John) |
Photo : M. Ouelett |
| Site Name |
NAM-10 |
| State |
Quebec |
| Country |
Canada |
| Latitude |
48:4N |
| Longitude |
72:6W |
| Altitude [m] |
99.6 |
| Surface area [m2] |
1,053,000,000 |
Volume [m3] |
11,900,000,000 |
| Maximum depth [m] |
63.1 |
Water level control |
Regulated |
| Normal range of annual water level fluctuation[m] |
5.5 |
Length of shoreline [m] |
- |
| Residence time [yr] |
0.25 |
Catchment area [m2] |
71,947,000,000 |
| Hours of bright Sunshine [hr yr-1] |
1,669 |
Solar radiation [MJ m-2 day-1] |
- |
| Freezing period |
Dec-May |
Mixing type |
Dimictic |
| Annual fish catch [t yr-1] |
22,500 |
| Total N loading [t yr-1] |
6,341.6925 |
Total P loading [t yr-1] |
415.0926 |
| Population |
103,308 |
Population density of catchment area [person km-2] |
18.1 |
WATER USAGE
| Domestic water usage [m3 sec-1] |
- |
Irigation water usage [m3 sec-1] |
0 |
| Industrial water usage [m3 sec-1] |
- |
Power generation usage [m3 sec-1] |
- |
LAND USE
| Natural landscape [%] |
90.7 |
Agricultural land [%] |
1.4 |
Others [%] |
7.9 |
| Siltation |
Serious |
Toxic Contamination |
Not serious |
| Eutrophication |
Serious |
Acidification |
None |
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