STSM.csv
Year: Year
Month: Month of year
DOY: Day of year
Date: Date
ST: Soil temperature (℃)
SM: Soil moisture (%)


Fine_root_scanner.csv
ImageID: Image indeces
	First 2 letters: stand indeces (H1: cypress stand, K2: oak stand)
	Third letter: scanner number within a stand
	Last letters: culmn indeces within a scanner
Date: Date of image acquisition
Date(-1): Date of previous image acquisition
S: Standing root area (mm^2 cm^-2) at 'Date'
P: Production area of roots between 'Date(-1)' and 'Date' (mm^2 cm^-2 d^-1)