Detection of saharan mineral dust aerosol transport over brazilian northeast through a depolarization lidar

Fecha

2018-01-01

Autores

Guedes A.G.
Landulfo E.
Montilla-Rosero E.
Lopes F.J.S.
Hoelzemann J.J.
Fernandez J.H.
Silva M.P.A.
Santos R.S.S.
Guerrero-Rascado J.L.
Alados-Arboledas L.

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EDP Sciences

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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 90° 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. © The Authors, published by EDP Sciences, 2018.

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