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    Artigo IPEN-doc 24738
    Detection of saharan mineral dust aerosol transport over brazilian northeast through a depolarization lidar
    2018 - GUEDES, ANDERSON G.; LANDULFO, EDUARDO; MONTILLA-ROSERO, ELENA; LOPES, FABIO J.S.; HOELZEMANN, JUDITH J.; FERNANDEZ, JOSE H.; SILVA, MARCOS P.A.; SANTOS, RENATA S.S.; GUERRERO-RASCADO, JUAN L.; ALADOS-ARBOLEDAS, LUCAS
    In this study we present results of linear volume depolarization ratio profiles obtained by a depolarization lidar in operation in Natal, Brazil. The DUSTER system has 4 channels, namely: 1064, 532 s/p and 355 nm. This system is calibrated with a half-wave plate using the Δ90° methodology. The data obtained from this system is correlated with AERONET sunphotometer data, and, when available, CALIPSO satellite data. In addition a trajectory model (HYSPLIT) is used to calculate backward trajectories to assess the origin of the dust polluted air parcels. The objective is to create a transport database of Saharan dust.