Data Summary

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Site Name EUR-22 Photo. 

Photo : Irish Tourist Board

Lake Name Lough Derg (Lake Derg)
State Galway, Glare and Tipperary
Country Ireland
Latitude 52:6N
Longitude 8:2W
Altitude [m] 33.5
 
Surface area [m2] 118,000,000 Volume [m3] 887,000,000
Maximum depth [m] 36 Mean depth [m] 7.6
Water level control Regulated Normal range of annual 
water level fluctuation [m]
0.3
Length of shoreline [m] 179,000 Residence time [yr] 0.15
Catchment area [m2] 10,280,000,000 Hours of bright Sunshine 
[hr yr-1]
1,284
Solar radiation [MJ m-2 day-1] 9.46 Freezing period None
Mixing type Monomictic Annual fish catch [t yr-1] 50
Total N loading [t yr-1] 6,245 Total P loading [t yr-1] 215
Population 280,000 Population density of 
catchment area [person km-2]
28
 
WATER USAGE 
Domestic water usage 
[m3 sec-1]
0.416666667 Irigation water usage 
[m3 sec-1]
-
Industrial water usage 
[m3 sec-1]
- Power generation usage 
[m3 sec-1]
0.00462963
 
LAND USE 
Natural landscape [%] 30 Agricultural land [%] 65 Others [%] 5
 
Siltation Not serious Toxic Contamination -
Eutrophication Serious Acidification None 
 

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