Table 1.
Research model and interpretation of geographical significance.
Fig 1.
Hot and cold spots of the cholera epidemic in the Jiangnan area from 1820 to 1821 (Copyright hold by the authors).
Table 2.
Distribution of hot and cold spots of the cholera epidemic at the county level in the Jiangnan area from 1820 to 1821.
Fig 2.
Geographical distribution of the cholera epidemic in the Jiangnan area from 1820 to 1821 (Copyright hold by the authors).
Fig 3.
Epidemic intensity of the cholera epidemic in the Jiangnan area from 1820 to 1821.
Table 3.
Spatial coupling relationship between epidemic county quantity and natural environment division.
Table 4.
Q-statistics of influencing factors.
Table 5.
Interaction between influencing factors.