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OPTICAL PROPERTIES OF SAHARAN DUST OVER THESSALONIKI, GREECE

机译：撒哈拉尘埃在塞萨洛尼基，希腊的光学特性

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Coordinated measurements during a number of Saha-ran dust transport events were performed at several stations of the European Aerosol Research Lidar NETwork (EARLINET). During the period 2001-2002, 12 cases were captured at Thessaloniki, Greece (40.5°N, 22.9°E) with a 355nm Raman lidar system. Backward trajectories and model calculations from the DREAM model confirmed the existence of Sahara dust in all cases examined. Within the dust plumes that were indicated by the model, the lidar ratios ranged from 25 to 80 sr and the backscatter related Angstrom exponent (color index) ranged from -1 to 3. A significant anti-correlation was found between the lidar ratio and the color index during the Saharan dust events occurring over Thessaloniki. Model calculations partly explain this anticorrelation, while in certain cases mixing with boundary layer aerosols makes the separation of dust in the lidar measurements difficult.
机译：在欧洲气溶胶研究激光雷达网络（Earlinet）的几个站点进行了多个萨哈 - 跑尘传输事件的协调测量。在2001 - 2002年期间，12例在塞萨洛尼基，希腊（40.5°N，22.9°E）上捕获了355米拉曼激光雷达系统。梦想模型的落后轨迹和模型计算证实了所有案例所检查的撒哈拉尘埃。在由模型指示的灰尘内，范围范围为25至80 sR和后散射相关的埃斯特罗姆指数（颜色指数）的激光乐节比从-1到3中进行了显着的反相关在塞萨洛尼基发生的撒哈拉尘埃事件中的颜色指数。模型计算部分解释了这种反作忍属，而在某些情况下，与边界层气溶胶混合，使灰尘在潮汐测量中的分离困难。

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