Figure 6: A figure reported in [80] shows an example demonstrating the capability of CALIOP to track dust long-range transport. A dust event that originated in the Sahara desert on 17 August 2007 and was transported to the Gulf of Mexico. Red lines represent back trajectories indicating the transport track of the dust event. Vertical images are 532 nm attenuated backscatter coefficients measured by CALIOP when passing over the dust transport track. The letter ‘‘D’’ designates the dust layer and ‘‘S’’ represents smoke layers from biomass burning in Africa (17–19 August) and South America (22 August).