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Drone mobile monitoring station
Utilizing drone and portable sensor device to perform atmospheric measurement at 3D, providing data for environmental protection and academic research, or to dynamically capture the dispersion of pollutants from emission sources, and to provide important technical support for strengthening environmental supervision and law enforcement, industry data collection and emergency management.
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Method: Hexagonal drone (model number: ZY-V6D) to take onboard the Cambri Aero-series atmospheric monitoring device, for vertical profile measurements of NO, NO2, CO, O3, PM2.5 and PM10.
PM concentrations showed a decreasing trend with altitude, which is likely due to the accumulation of pollutants due to the formation of the stable nocturnal boundary layer (NBL).
Differences exist between the vertical profiles obtained during the two flights (figures shown above), where:
PM2.5 and PM10 concentrations tend to decline more rapidly within 0 - 300 m during the second flight; and
Higher PM2.5 and PM10 concentrations were found in the second flight, possibly because the NBL became more stable as it went deeper into the night.
We have also been comparing the vertical profile data obtained from the drone (LHS pane) and from the vertical measurement network on the 625 m Shanghai Tower (box plots in the RHS pane). The two profiles generally agree, where the concentratins of CO and PM both shown to be decreasing while that of O3 increasing, both with altitude. The latter is common and well-known to be due to NO titration as well as surface dry deposition.
