Table 1 The variance between different years and the base year calculated by the area method.
From: Prediction of water level at Huayuankou station based on rating curve
1000–2000 (m3/s) | 2000–4000 (m3/s) | |
|---|---|---|
2006 | 503.8 | 1177.75 |
2007 | 227.19 | 618.41 |
2008 | 263.35 | 936.75 |
2009 | 269.24 | 631.09 |
2010 | – | – |
2011 | 66.61 (−) | 78.61 (−) |
2012 | 370.10 (−) | 595.12 (−) |
2013 | 487.37 (−) | 807.15 (−) |
2014 | 285.42 (−) | 497.36 (−) |
2015 | 524.53 (−) | 705.55 (−) |
2016 | 622.90 (−) | – |
2017 | 771.48 (−) | – |
2018 | 594.49 (−) | 1338.93 (−) |
