Data Summary: Laguna de Bay (Lake Bay)
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| Site Name |
ASI-13 |
Photo : K. Oya |
| Lake Name |
Laguna de Bay (Lake Bay) |
| State |
Rizal and Laguna Provinces, Luzon |
| Country |
Philippines |
| Latitude |
14:0N |
| Longitude |
121:1E |
| Altitude [m] |
1.8 |
| Surface area [m2] |
900,000,000 |
Volume [m3] |
3,200,000,000 |
| Maximum depth [m] |
7.3 |
Mean depth [m] |
2.8 |
| Water level control |
Regulated |
Normal range of annual water level fluctuation [m] |
- |
| Length of shoreline [m] |
220,000 |
Residence time [yr] |
- |
| Catchment area [m2] |
3,820,000,000 |
Hours of bright Sunshine [hr yr-1] |
2,103 |
| Solar radiation [MJ m-2 day-1] |
22.5 |
Freezing period |
None |
| Mixing type |
Polymictic |
Annual fish catch [t yr-1] |
120,000 |
| Total N loading [t yr-1] |
3,942 |
Total P loading [t yr-1] |
942 |
| Population |
2,381,300 |
Population density of catchment area [person km-2] |
712.7 |
WATER USAGE
| Domestic water usage [m3 sec-1] |
- |
Irigation water usage [m3 sec-1] |
- |
| Industrial water usage [m3 sec-1] |
8.91 |
Power generation usage [m3 sec-1] |
46.3 |
LAND USE
| Natural landscape [%] |
41 |
Agricultural land [%] |
52 |
Others [%] |
6.5 |
| Siltation |
- |
Toxic Contamination |
- |
| Eutrophication |
Serious |
Acidification |
Not Serious |
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