Comparison of the rise of water level in the typical catchments, Three Gorges Reservoir area
文献类型: 外文期刊
第一作者: Liao Xiao-yong
作者: Liao Xiao-yong;Xia Zhong-mei;He Jing
作者机构:
关键词: Water level;Precipitation;Runoff;Spearman-correlation coefficients;Three Gorge Reservoir
期刊名称:JOURNAL OF MOUNTAIN SCIENCE ( 影响因子:2.071; 五年影响因子:2.113 )
ISSN: 1672-6316
年卷期: 2016 年 13 卷 4 期
页码:
收录情况: SCI
摘要: Water level is an important index for studying hydrologic processes. Water level rise processes were studied in three catchments (catchment I, II, III in Chen Jiagou watershed in the Three Gorge Reservoir Area) with different areas to provide useful information to inform data extension from a gauged-catchment to an ungauged catchment. The results showed that there are seasonal changes in the dominant driving mode of the rise of the water level. The rise of the water level in March is likely mainly driven by the mode of stored-full runoff, and in September or October, it is mainly driven by Horton-flow. The correlation coefficients of all indexes were significant among the three catchments, suggesting that these catchments have similarities and that water level data extension is likely to be completed successfully between the large catchment (III-Catchment) and the small catchment (I-Catchment). It was confirmed that there is good similarity between the 0.6 km2 and 6 km2 catchments, and the data correlation is good between the catchments with the area differences in the Three Gorges Reservoir Area. In addition, the rise processes of the water level in the catchments were not only different under the same rain conditions, but this difference could also change with the rain condition.
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