Data Summary: Lake Ba Be
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| Site Name |
ASI-64 |
Photo : Mai Dinh Yen |
| Lake Name |
Lake Ba Be |
| State |
Ba Be District, Cao Bang Province |
| Country |
Viet Nam |
| Latitude |
22:2N |
| Longitude |
105:4E |
| Altitude [m] |
145 |
| Surface area [m2] |
4,500,000 |
Volume [m3] |
90,000,000 |
| Maximum depth [m] |
29 |
Mean depth [m] |
18 |
| Water level control |
- |
Normal range of annual water level fluctuation [m] |
2.8 |
| Length of shoreline [m] |
22,000 |
Residence time [yr] |
- |
| Catchment area [m2] |
454,000,000 |
Hours of bright Sunshine [hr yr-1] |
- |
| Solar radiation [MJ m-2 day-1] |
- |
Freezing period |
None |
| Mixing type |
Polymictic |
Annual fish catch [t yr-1] |
10 |
| Total N loading [t yr-1] |
- |
Total P loading [t yr-1] |
- |
| Population |
16,000 |
Population density of catchment area [person km-2] |
35 |
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 [%] |
85.4 |
Agricultural land [%] |
10 |
Others [%] |
4.6 |
| Siltation |
Serious |
Toxic Contamination |
- |
| Eutrophication |
Serious |
Acidification |
- |
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