Format of Annual MMSF Data Summary Files ROW 1: Site identifier ROW 2: Year identifier ROW 3: Column names. All data refer to the 46 m level, unless stated otherwise ROW 4: data units or explanation (e.g., "umol m^-2 s^-1": micro-mol per meter squared per second) ROW 5: data class: class 2 = measured data within global physical limit values (gaps = #N/A) class 3 = measured data within plausibility limits; u* limit for FCO2 (gaps = #N/A) class 4 = analysis data based on class 3, with gaps filled by models or ensemble averages. (for details ask hschmid@indiana.edu) ROW 6... : data Some corrected data can be found under Ryan's folder.