Backward trajectory, Cluster analysis, Concentration Weighted Trajectory, Potential sources identification, Regional transport, Synergistic effect
Spatiotemporal heterogeneity, Bivariate spatial autocorrelation, Geographical detector model, Spatial distribution direction, Refined mitigation strategy
Atmospheric pollutant, Cheng-Yu Economic Circle, Spatial heterogeneity, Multi-meteorological parameters, Potential sources identification, Synergic control