Acta Geographica Sinica ›› 2021, Vol. 76 ›› Issue (1): 101-113.doi: 10.11821/dlxb202101008
• Water Cycle and Related Land Surface Processes • Previous Articles Next Articles
CHAI Yuanfang1,2(), DENG Jinyun1, YANG Yunping2,3(
), SUN Zhaohua1, LI Yitian1, ZHU Lingling2,4
Received:
2019-07-29
Revised:
2020-12-05
Online:
2021-01-25
Published:
2021-03-25
Contact:
YANG Yunping
E-mail:yuanfangchai@163.com;yangsan520_521@163.com
Supported by:
CHAI Yuanfang, DENG Jinyun, YANG Yunping, SUN Zhaohua, LI Yitian, ZHU Lingling. Evolution characteristics and driving factors of the water level at the same discharge in the Jingjiang reach of Yangtze River[J].Acta Geographica Sinica, 2021, 76(1): 101-113.
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Tab. 3
Ratio of the widened cross sections in the Yichang-Chenglingji reach
统计时段 | 河槽特征 | △B > 0 m | △B > 20 m | △B > 50 m |
---|---|---|---|---|
2003—2009年 | 枯水河槽 | 68.8 | 41.6 | 28.9 |
平滩河槽 | 71.7 | 27.2 | 16.2 | |
洪水河槽 | 74.6 | 22.0 | 6.36 | |
2009—2016年 | 枯水河槽 | 70.5 | 46.8 | 31.8 |
平滩河槽 | 57.8 | 25.4 | 17.3 | |
洪水河槽 | 38.7 | 14.5 | 6.94 | |
2003—2016年 | 枯水河槽 | 71.7 | 57.8 | 43.9 |
平滩河槽 | 60.1 | 34.1 | 23.1 | |
洪水河槽 | 55.5 | 16.8 | 6.94 |
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