Please contact Dr. Patrick Sheridan patrick.sheridan@noaa.gov for detailed information about these files.

Data format is described at: https://www.esrl.noaa.gov/gmd/aero/data/datafmt.html#hge
the last column is described at:  https://www.esrl.noaa.gov/gmd/aero/data/datafmt.html#hgeS


These data have been used in the following papers:
Andrews, E., Ogren, J.A., Kinne, S., et al., "Is there a bias in AERONET retrievals of aerosol light absorption at low AOD conditions?," Atmos. Chem. Phys. Disc., 10.5194/acp-2016-818, in review, 2016.

Sheridan, P.J., Andrews, E., Ogren, J.A., et al., "Vertical profiles of aerosol optical properties over central Illinois and comparison with surface and satellite measurements," Atmos. Chem. Phys., 12, 11695-11721, 2012.

Skeie, R. B., Berntsen, T., Myhre, G., et al., "Black carbon in the atmosphere and snow, from pre-industrial times until present," Atmos. Chem. Phys., 11, 6809-6836, doi:10.5194/acp-11-6809-2011, 2011.