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Light Sensor Information

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Solar Radiation

Instrument Type: LI-Cor LI200SZ Pyranometer Sensor

Installed: 8 January 2015

Description: Silicon photodiode sensor calibrated to measure total radiation received from the sun; cosine-corrected to make the sensor insensitive to the direction of the radiation within the forward hemisphere.

LI-Cor Sensors
2015

Location: Weather box, 2 m above ground, 40 m from coastal bluff
Latitude 38° 19' 01.52" N
Longitude 123° 04' 18.41" W

Specifications:
Sensitivity: 90 A/1000 W/m2
Accuracy: 5%
Response Time: 10 s

Acquisition Settings:
15 second running average
Mean value logged every 5 seconds
Data stored at 10 second intervals

Photosynthetically Active Radiation

Instrument Type: LI-COR LI190SZ Quantum Sensor

Installed: 8 January 2015

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

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

Solar Radiation

Instrument Type: LI-COR LI-200SA Pyranometer Sensor

Installed: 5 February 2001

Description: Silicon photodiode sensor calibrated to measure total radiation received from the sun; cosine-corrected to make the sensor insensitive to the direction of the radiation within the forward hemisphere.

light sensors
Sensors ca. 2001

Location: Weather box, 2 m above ground, 40 m from coastal bluff
Latitude 38° 19' 01.52" N
Longitude 123° 04' 18.41" W

Specifications:
Sensitivity: 90 A/1000 W/m2
Accuracy: 5%
Response Time: 10 s

Acquisition Settings:
15 second running average
Mean value logged every 5 seconds
Data stored at 10 second intervals

Photosynthetically Active Radiation

Instrument Type: LI-COR LI-190SA Quantum Sensor

Installed: 5 February 2001

Description: Silicon photodiode sensor filtered and calibrated to measure wavelengths of radiation effective in photosynthesis.

light sensorsLocation: Weather box, 2 m above ground, 40 m from coastal bluff
Latitude 38° 19' 01.52" N
Longitude 123° 04' 18.41" W

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