Note relating to SIRTA data to maintain the integrity of the SIRTA data base and to ensure its perenniality:
          
            - 
              SIRTA data are accessible freely and free of cost, for public research and teaching applications.
            
- 
              SIRTA data should only be distributed through SIRTA ftp and web access. SIRTA data not available online
              can be distributed
              by SIRTA instrument PIs.
            
- 
              Distribution of SIRTA data by third parties is prohibited.
            
- 
              The users of SIRTA data must verify that the data they are using is intended for publication; refer to
              the advice of instrument
              PIs.
            
- 
              The source of SIRTA data used in the framework of a publication must be mentioned in an explicit way in
              the acknowledgment
              section by a sentence of the type:
              « The authors would like to acknowledge SIRTA for providing the lidar data used in this study
                »
              .
            
- 
              When mentioning or describing the SIRTA observatory in a publication, use the following reference:
              (Haeffelin et al., 2005)
              1
            
- 
              For the use of SIRTA data requiring a specific interpretation work and discussions essential to the
              exploitation of the data,
              it is required that relevant instrument PIs be proposed co-authorship in related publications.
            
- 
              The use of data, in synergy with SIRTA data, originating from another organization (e.g. Meteo-France,
              AERONET, etc...) requires
              specific mention of that source of data.
            
1Haeffelin, M., L. Barthès, O. Bock, C. Boitel, S. Bony, D. Bouniol, H. Chepfer, M. Chiriaco,
          J. Cuesta, J. Delanoë, P. Drobinski, J-L. Dufresne, C. Flamant, M. Grall, A. Hodzic, F. Hourdin,
          F. Lapouge, Y. Lemaître, A. Mathieu, Y. Morille, C. Naud, V. Noël, B. O'Hirok, J. Pelon, C. Pietras,
          A. Protat, B. Romand, G. Scialom, R. Vautard, 2005: SIRTA, a ground-based atmospheric observatory
          for cloud and aerosol research." Annales Geophysicae, 23, pp 253-275.