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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