降水阈值(mm) | 采样前样本数 | 采样后样本数 |
无降水 | 1,292,440 | 339,646 |
0.1 | 372,259 | 275,024 |
1 | 210,402 | 210,402 |
5 | 80,289 | 80,289 |
10 | 36,165 | 36,165 |
15 | 17,153 | 17,153 |
20 | 9650 | 9650 |
30 | 4035 | 4035 |
40 | 1881 | 1881 |
50 | 957 | 957 |
60 | 533 | 533 |
70 | 311 | 311 |
80 | 170 | 170 |
90 | 89 | 89 |
100 | 37 | 37 |