title: Evidence of a tropospheric aerosol backscatter background mode.
abstract: Climatologies of aerosol backscatter profiles, derived from airborne a nd ground-basedC 02 lidarr eturns,i ndicate a high frequency of occurrence for a narrow range of low backscatter values within the troposphere-a background mode.
authors.forename: J
authors.initials: J
authors.lastname: Rothermel
authors.forename: D A
authors.initials: DA
authors.lastname: Bowdle
authors.forename: J M
authors.initials: JM
authors.lastname: Vaughan
authors.forename: M J
authors.initials: MJ
authors.lastname: Post