1977年以来黄河临河段河岸冲淤变化及河道萎缩速率
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梅艳国, 王随继
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Variation of channel lateral erosion/accretion and channel shrinkage rate in the Linhe Reach of the Yellow River since 1977
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Yanguo MEI, Suiji WANG
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表1 1977-2014年黄河临河段河道平面形态参数 |
Tab. 1 Geometry parameters of the channel planforms in the Linhe reach of the Yellow River from 1977 to 2014 |
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年份 | 河道长度 (km) | 河道面积 (km2) | 河道平均宽度 (km) | 弯曲 系数 | 1977 | 204.82 | 469.11 | 2.29 | 1.07 | 1988 | 205.63 | 401.44 | 1.95 | 1.07 | 1989 | 202.23 | 462.03 | 2.28 | 1.05 | 1991 | 206.84 | 391.67 | 1.89 | 1.08 | 1992 | 204.39 | 411.88 | 2.02 | 1.07 | 1993 | 205.75 | 374.60 | 1.82 | 1.07 | 1995 | 204.30 | 396.42 | 1.94 | 1.06 | 2000 | 216.07 | 240.18 | 1.11 | 1.13 | 2001 | 219.04 | 222.40 | 1.02 | 1.14 | 2002 | 214.35 | 245.71 | 1.15 | 1.12 | 2003 | 219.92 | 217.39 | 0.99 | 1.15 | 2004 | 213.87 | 241.69 | 1.13 | 1.11 | 2005 | 220.88 | 227.83 | 1.03 | 1.15 | 2006 | 211.65 | 229.91 | 1.09 | 1.10 | 2007 | 208.87 | 245.14 | 1.17 | 1.09 | 2009 | 210.74 | 278.79 | 1.32 | 1.10 | 2010 | 209.70 | 248.01 | 1.18 | 1.09 | 2011 | 211.10 | 230.92 | 1.09 | 1.10 | 2013 | 212.71 | 266.21 | 1.25 | 1.11 | 2014 | 213.82 | 241.22 | 1.13 | 1.11 |
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