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Photosynthetically Active Radiation
Instrument Type: LI-COR LI-190SA Quantum Sensor
Description: Silicon photodiode sensor filtered and calibrated to measure wavelengths
of radiation effective in photosynthesis
Location: Weather box, 2 m above ground, 40 m from coastal bluff
Latitude 38° 19' 01.52" N
Longitude 123° 04' 18.41" W
Installed: 5 February 2001
Specifications:
Sensitivity: 8 A/1000 mols/s/m2
Accuracy: 5% Response Time: 10 s
Acquisition Settings-
Instantaneous:
15 second running average
Mean value logged every 5 seconds
Data stored at 10 second intervals
Integrated:
15 second running average
Integrated value calculated and logged hourly
Min/Max values and times logged hourly
Sensor Calibration and Quality Assurance Procedures
Real time atmospheric sensor data
Historical atmospheric sensor data query
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