年份 | 断面面积(m2) | 平均河底高程(m) | ||
水位93.50 m下 | 相对增大值 | 水位93.50 m下 | 冲刷深度 | |
1960 | 3234 |
| 87.74 |
|
1968 | 4735 | 46.4% | 85.06 | −2.68 |
1970 | 5194 | 60.6% | 84.33 | −3.41 |
1975 | 5338 | 65.1% | 84.07 | −3.67 |
1979 | 5295 | 63.7% | 84.15 | −3.59 |
1980 | 5465 | 69.0% | 83.84 | −3.90 |
1981 | 5505 | 70.2% | 83.88 | −3.86 |
1983 | 5430 | 67.9% | 83.97 | −3.77 |
2005 | 5554 | 71.7% | 83.64 | −4.10 |
2010 | 5490 | 69.8% | 83.79 | −3.95 |
2011 | 5739 | 77.5% | 82.92 | −4.82 |
2012 | 5646 | 74.6% | 83.02 | −4.72 |
2014 | 5793 | 79.1% | 83.84 | −3.90 |
2017 | 5410 | 67.3% | 83.22 | −4.52 |
2018 | 5450 | 68.5% | 82.42 | −5.32 |