Profiling of fine and coarse particle mass: case studies of Saharan dust and Eyjafjallajokull/Grimsvotn volcanic plumes

被引:115
作者
Ansmann, A. [1 ]
Seifert, P. [1 ]
Tesche, M. [2 ]
Wandinger, U. [1 ]
机构
[1] Leibniz Inst Tropospher Res, Leipzig, Germany
[2] Stockholm Univ, Dept Appl Environm Sci, S-10691 Stockholm, Sweden
关键词
RAMAN LIDAR OBSERVATIONS; AEROSOL OPTICAL-PROPERTIES; TO-BACKSCATTER RATIO; NORTH-AFRICAN DUST; AIRBORNE MEASUREMENTS; BOUNDARY-LAYER; CAPE-VERDE; SAMUM; 2006; MICROPHYSICAL PROPERTIES; TROPOSPHERIC AEROSOL;
D O I
10.5194/acp-12-9399-2012
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The polarization lidar photometer networking (POLIPHON) method introduced to separate coarse-mode and fine-mode particle properties of Eyjafjallajokull volcanic aerosols in 2010 is extended to cover Saharan dust events as well. Furthermore, new volcanic dust observations performed after the Grimsvotn volcanic eruptions in 2011 are presented. The retrieval of particle mass concentrations requires mass-specific extinction coefficients. Therefore, a review of recently published mass-specific extinction coefficients for Saharan dust and volcanic dust is given. Case studies of four different scenarios corroborate the applicability of the profiling technique: (a) Saharan dust outbreak to central Europe, (b) Saharan dust plume mixed with biomass-burning smoke over Cape Verde, and volcanic aerosol layers originating from (c) the Eyjafjallajokull eruptions in 2010 and (d) the Grimsvotn eruptions in 2011. Strong differences in the vertical aerosol layering, aerosol mixing, and optical properties are observed for the different volcanic events.
引用
收藏
页码:9399 / 9415
页数:17
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