Table 1.
The distribution probability of the FAW backward trajectory endpoints in different regions of Sichuan Province from April to June.
| Regions | Source Areas | |||||
|---|---|---|---|---|---|---|
| April | May | June | ||||
| Main Source Areas | Other Source Areas | Main Source Areas | Other Source Areas | Main Source Areas | Other Source Areas | |
| southwestern Sichuan | Yunnan (59.60%) Myanmar (40.40%) |
— | Yunnan (77.20%) Myanmar (22.80%) | — | Yunnan (97.60%) | Myanmar (2.40%) |
| southern Sichuan | Guizhou (51.41%) Yunnan (36.06%) |
Myanmar (8.44%) Guangxi (4.09%) |
Yunnan (62.07%) Guizhou (24.83%) Myanmar (13.10%) | — | central Sichuan (32.39%) Guizhou (20.45%) Yunnan (16.80%) Chongqing (15.38%) |
eastern Sichuan (8.10%) Guangxi (3.44%) Vietnam (3.44%) |
| western Sichuan | southwestern Sichuan (97.74%) | Yunnan (2.26%) | southwestern Sichuan (72.40%) Yunnan (20.89%) |
Myanmar (4.99%) southern Sichuan (1.05%) Guizhou (0.66%) |
central Sichuan (53.33%) Chongqing (24.91%) eastern Sichuan (21.75%) |
— |
| central Sichuan | Guizhou (77.78%)Yunnan (22.22%) | — | the border of northern Guizhou and Chongqing (100%) | — | Chongqing (49.45%) eastern Sichuan (23.19%) Guizhou (19.01%) |
southern Sichuan (5.93%) Guangxi (1.54%) Yunnan (0.88%) |
| eastern Sichuan | Guizhou (76.60%) Yunnan (17.02%) |
southwestern Sichuan (6.38%) | Guizhou (49.05%) Hunan (31.33%) Yunnan (15.82%) |
Guangxi (2.53%) Vietnam (1.27%) |
— | — |
| northern Sichuan | — | — | — | — | eastern Sichuan (41.30%) central Sichuan (33.00%) Chongqing (19.43%) |
Guizhou (6.07%) Guangxi (0.20%) |