Table 2 Description of variables and descriptive statistical analysis of indicators
Variable name | Minimum value | Maximum value | Average | Standard deviation | Number of observations |
|---|---|---|---|---|---|
Latitude | 114.92 | 121.33 | 118.24 | 1.48 | 720 |
Longitude | 30.09 | 40.39 | 34.53 | 2.49 | 720 |
Elevation | − 16 | 322 | 21.99 | 23.07 | 720 |
Drainage area | 4.16 | 509.70 | 190.11 | 97.09 | 720 |
Tributary slope | 0.33 | 41.81 | 3.34 | 3.85 | 720 |
Tributary aspect | 1.55 | 358.83 | 180.28 | 104.62 | 720 |
Main stream slope | 0.33 | 35.69 | 3.84 | 4.54 | 720 |
Main stream aspect | 0 | 358.73 | 175.76 | 105.58 | 720 |