时段(年) | 符号 | 降水量(mm) | 径流量(亿m3) | 输沙量(亿t) | 径流系数(万m3/mm) | 产沙系数(万t/mm) | 含沙量(kg/m3) |
1956~1969 | A | 335.4 | 39 | 9.38 | 1162.8 | 279.7 | 240.5 |
1970~1979 | B | 302.1 | 26.3 | 6.91 | 870.6 | 228.7 | 262.7 |
1980~1989 | C | 263.2 | 16.4 | 3.11 | 623.1 | 118.2 | 189.6 |
1990~1999 | D | 265.1 | 22.3 | 3.89 | 841.2 | 146.7 | 174.4 |
2000~2010 | E | 292.5 | 16.8 | 1.27 | 574.4 | 43.4 | 75.6 |
1956~1999 | F | 295.4 | 27.3 | 6.14 | 924.2 | 207.9 | 224.9 |
1956~2010 | G | 294.82 | 25.2 | 5.166 | 854. 8 | 175.2 | 195.0 |
| B/A | 0.901 | 0.674 | 0.737 | 0.749 | 0.818 | 1.092 |
| C/A | 0.785 | 0.421 | 0.332 | 0.536 | 0.423 | 0.788 |
| D/A | 0.790 | 0.572 | 0.415 | 0.723 | 0.525 | 0.725 |
| E/A | 0.872 | 0.431 | 0.135 | 0.494 | 0.155 | 0.314 |
| E/B | 0.968 | 0.639 | 0.184 | 0.660 | 0.190 | 0.288 |
| E/C | 1.111 | 1.024 | 0.408 | 0.922 | 0.367 | 0.399 |
| E/D | 1.103 | 0.753 | 0.326 | 0.683 | 0.296 | 0.433 |
| E/F | 0.990 | 0.615 | 0.207 | 0.621 | 0.209 | 0.336 |