项目 | 时段 | 松滋河 | 虎渡河 | 藕池河 | 松虎洪道 | 合计 | |||||
冲淤量 | 百分比 | 冲淤量 | 百分比 | 冲淤量 | 百分比 | 冲淤量 | 百分比 | 冲淤量 | 百分比 | ||
总冲淤量 | 1952~1995 | 16,745 | 29.4 | 7080 | 12.4 | 28,689 | 50.4 | 4424 | 7.8 | 56,938 | 100 |
1995~2003 | 348 | 7.4 | 1317 | 28.2 | 3106 | 66.4 | −95 | −2.0 | 4676 | 100 | |
1952~2003 | 17,093 | 27.7 | 8397 | 13.6 | 31,795 | 51.6 | 4329 | 7.0 | 61,614 | 100 | |
2003~2011 | −3521 | −46.8 | −1493 | −19.9 | −1769 | −23.5 | −737 | −9.8 | −7520 | 100 | |
1952~2011 | 13,572 | 25.1 | 6904 | 12.8 | 30,026 | 55.5 | 3592 | 6.6 | 54,094 | 100 | |
年均冲淤量 | 1952~1995 | 389.4 | 29.4 | 164.7 | 12.4 | 667.2 | 50.4 | 102.9 | 7.8 | 1324 | 100 |
1995~2003 | 43.5 | 7.4 | 164.6 | 28.2 | 388.3 | 66.4 | −11.9 | −2.0 | 584.5 | 100 | |
1952~2003 | 335 | 27.7 | 164.6 | 13.6 | 623.4 | 51.6 | 84.9 | 7.0 | 1208.1 | 99.9 | |
2003~2011 | −440 | −46.8 | −186.6 | −19.9 | −221.1 | −23.5 | −92.1 | −9.8 | −940 | 100 | |
1952~2011 | 230 | 25.1 | 117.0 | 12.8 | 508.9 | 55.5 | 60.9 | 6.6 | 916.8 | 100 | |
冲淤强度 (每km年均冲淤量) | 1952~1995 | 1.10 |
| 1.23 |
| 1.96 |
| 2.86 |
| 1.53 |
|
1995~2003 | 0.12 |
| 1.22 |
| 1.14 |
| −0.33 |
| 0.68 |
| |
1952~2003 | 0.95 |
| 1.23 |
| 1.83 |
| 2.36 |
| 1.40 |
| |
2003~2011 | −1.25 |
| −1.39 |
| −0.65 |
| −2.56 |
| −1.09 |
| |
1952~2011 | 0.65 |
| 0.87 |
| 1.49 |
| 1.69 |
| 1.06 |
|