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Parameter: par_d_day

Dataset: 
daily_PAR
Parameter: 
PAR downwelled per day
Master parameters information
Short Name:
 par_d_day
Short Description:
 PAR downwelled per day
Official Name:
 par_d_day
No Data Value:
Description:
 

downwelled Photosynthetically Available Radiation, 400-700 nm wave length, measured with cosine sensor response (EsPAR), units = uE/cm^2/day (per day, depending on source may be less then 24 hours or may refer to day light hours only), using a Biospherical Instruments GUV500 system

Dataset-parameters information
Supplied Name: 
par_d_day
Supplied Units: 
uE/cm<sup>2</sup>/day
Conversion Necessary: 
no
Description: 

cosine irradiance (EsPAR), integrated over time period defined by the parameter length_day.
In this case units are reported as per day