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Abstract
Spatial Mapping of air contaminant concentrations on a two-dimensional plane in outdoor air using remote sensing FTIR was conducted in this study. The quasi-time-stationary experiment was carried out after chloroform and methanol dispersed 200 min later freely. The Path-Integrated Concentrations (PIC) in different optical path directions were obtained simultaneously. The kriged maps as well as the two-dimensional contour maps from PIC data of chloroform and methanol were plotted and compared. There was a consistency between the concentration peak positions in the two graphs. Although the concentrations were low as a whole, the kriged map of chloroform had a sharper peak than that of the methanol. It can be concluded from the experiment that mapping contaminant concentrations could help understand the peak locations of industrial emissions and provide improved estimates of pollutant flow and distribution. This study had the guiding significance in environmental monitoring and protection.
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Acknowledgment
This project (No. 20175008) was supported by National Natural Science Foundation of China.