The wind-blown dust emissions frequently occur in the open storage yards of steel-making
companies. Tracking the dust source and monitoring their dispersion are rather difficult. This type of
open-air storage yards poses many environmental hazards. The 3-D scanning lidar system is effective in
environmental monitoring (e.g., dust) with high temporal and spatial resolution, which is lacking in
traditional ground-based measurement. The objective of this paper is to make an attempt for the flux
estimation of dust concentration by using lidar system. Further, we investigate the dynamical process of
dust and their relationship with local air quality monitoring data.
The results show that the material storage erosion by wind (~ 3.6 m/s) could cause dust to elevate
up to 20m height above the material storage, and produces the flux of dust around 674 mg/s. The flux
of dust is proportional to the dust mass concentration (PM10) measured by commercial ambient
particular monitors.
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