View source: R/Analyse.ASPH.blank.R
| analyse.ASPH.blank | R Documentation |
Analyse A-sphere blank (Pure Water) data
analyse.ASPH.blank(filen, Twater = 13.2, Tref = 19)
filen |
is the ASPH file name of the pure water measurement |
Twater |
is the pure water temperature during the calibration experiment on the field |
Tref |
is the pure water temperature reported by Hobilabs during the ASPH calibration. |
The user will be prompted to select the files and to click on a plot to select a portion of the file (start and end) where the "a" values were stable and minimum. The program will average and smooth the spectral a values for the selected portion and stored them in a RData file (i.e. ASPH.blank list).
The RData file could be used in the data processing for ASPH blank correction
in correct.merge.IOP.profile. The path of the file need to be
included in the cal.info.dat (see correct.merge.IOP.profile).
NOTE: In September 2015, Hobi Service issued a new method to perform a pure water calibration using RadSoft. This method allows the user to change the calibration files directly.
It returns a list with mean, smooth, sd
Simon Belanger
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