Hello, on this zip file you have : All files are in ASCII format, comments are given at the begining of each file: 1. LAI2000: LAI and gap fraction value for each measurements by taking into account bare soil occurrences; 2. Rawdata: LAI2000 files for each field or transect; 3. Atmospheric data: SunPhotoAlpilles2001.dat = aerosol optical thickness in 7 wavebands and water vapor content measured with automatic sun photometer. These data are provided by the AERONET; BF2Alpilles2001.dat = PAR diffuse and global radiation measured with BF2 instrument; AtmoAlpilles2001.dat = sea level pressure, water and ozone atmospheric contents. These data are provided by Météo-France: ARPEGE model for water and pressure, TOVS/NOAA for ozone (J-L Roujean, L. Franchisteguy, Météo-France, Toulouse).