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Spectral Errors for UV Radiation Measurements with Apogee SU-100 UV Sensors
Radiation Source (Error Calculated Relative to Sun, Clear Sky)
Error [%]
Sun (Clear Sky)
0.0
Sun (Cloudy Sky)
< 0.5
Reflected from Grass Canopy
< 0.5
Reflected from Deciduous Canopy
< 0.5
Reflected from Conifer Canopy
< 0.5
Reflected from Agricultural Soil
< 0.5
Reflected from Forest Soil
< 0.5
Reflected from Desert Soil
< 0.5
Reflected from Water
< 0.5
Reflected from Ice
< 0.5
Reflected from Snow
< 0.5
Cool White Fluorescent (T5)
9.0
Metal Halide
2.8
High Pressure Sodium
-1.7
Incandescent
-3.3
Mercury Arc
17.8