Data Summary: Lake Malaren
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| Site Name |
EUR-13 |
Photo: A. Kurata |
| Lake Name |
Lake Malaren |
| State |
Vastmanlands lan, Sodermanlands lan, Uppsala lan and Stockholms
l |
| Country |
Sweden |
| Latitude |
59:3N |
| Longitude |
17:1E |
| Altitude [m] |
0.3 |
| Surface area [m2] |
1,140,000,000 |
Volume [m3] |
13,600,000,000 |
| Maximum depth [m] |
61 |
Mean depth [m] |
11.9 |
| Water level control |
Regulated |
Normal range of annual water level fluctuation [m] |
0.5 |
| Length of shoreline [m] |
1,410,000 |
Residence time [yr] |
2.2 |
| Catchment area [m2] |
21,460,000,000 |
Hours of bright Sunshine [hr yr-1] |
1,900 |
| Solar radiation [MJ m-2 day-1] |
8.9 |
Freezing period |
119 days |
| Mixing type |
Dimictic |
Annual fish catch [t yr-1] |
370 |
| Total N loading [t yr-1] |
13,400 |
Total P loading [t yr-1] |
590 |
| Population |
1,086,400 |
Population density of catchment area [person km-2] |
50.6 |
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] |
- |
LAND USE
| Natural landscape [%] |
64.5 |
Agricultural land [%] |
25.4 |
Others [%] |
10.1 |
| Siltation |
Not serious |
Toxic Contamination |
Not serious |
| Eutrophication |
Serious |
Acidification |
None |
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