Determination of the Influence of Fuel Switching Regulation on the Sulfur Dioxide Content of Air in a Port Area Using DID Model

Figure 1

(a) Location of the measurement station. (b) Satellite view of the monitoring environment, with the location of the two survey stations shown in red (map source: lbs.amap.com). (c) Equipment installed at a suspension bridge on the dock.

(a)

(b)

(c)