reads a sequence of annual files in the format of Europe-fluxdata 2016
     
    
    fLoadEuroFlux16(siteName, dirName = "", additionalColumnNames = character(0))
 
     
    
    Arguments
    
- siteName
 
scalar string: the name of the site, i.e. start of the filename before _<year>_
 
  - dirName
 
scalar string: the directory where the files reside
 
  - additionalColumnNames
 
character vector: column names to read in addition to c("Month", "Day", "Hour", "NEE_st", "qf_NEE_st", "ustar", "Ta", 'Rg')
 
 
    
    Details
    The filenames should correspond to the pattern <sitename>_<YYYY>_. * .txt
And hold columns c("Month", "Day", "Hour", "NEE_st", "qf_NEE_st", "ustar", "Ta", 'Rg').
By default only those columns are read and reported only
c("DateTime", "NEE", "Ustar", "Tair", "Rg", "qf_NEE_st" (Note the renaming).
NEE is set to NA for all values with "qf_NEE_st != 0.
Values  of -9999.0 are replaced by NA
     
    
    Author
    TW
Department for Biogeochemical Integration at MPI-BGC, Jena, Germany <REddyProc-help@bgc-jena.mpg.de> [cph], Thomas Wutzler <twutz@bgc-jena.mpg.de> [aut, cre], Markus Reichstein <mreichstein@bgc-jena.mpg.de> [aut], Antje Maria Moffat <antje.moffat@bgc.mpg.de> [aut, trl], Olaf Menzer <omenzer@bgc-jena.mpg.de> [ctb], Mirco Migliavacca <mmiglia@bgc-jena.mpg.de> [aut], Kerstin Sickel <ksickel@bgc-jena.mpg.de> [ctb, trl], Ladislav <U+0160>igut <sigut.l@czechglobe.cz> [ctb]