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首页> 外文会议>International Conference on Remote Sensing, Environment and Transportation Engineering >Runoff characteristic in flood and dry seasons based on wavelet analysis in the source regions of Yangtze and Yellow River
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Runoff characteristic in flood and dry seasons based on wavelet analysis in the source regions of Yangtze and Yellow River

机译：基于小波分析的旱区洪水和干季径流特征在长江和黄河源区

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By decomposing and reconstructing the runoff information from 1965 to 2007 of the hydrologic stations of Tuotuo River, Zhimenda in the source region of Yangtze and Jimai, Tangnaihai in the source region of Yellow River with db3 wavelet, runoff of different hydrologic stations shows to be declining in the seasons of spring flood, summer flood and dry ones except for those in Tuotuo River. The declining flood/dry seasons series was summer > spring > dry; while runoff of Tuotuo River was always increasing in different stages from 1965 to 2007 with higher increase rate in summer flood seasons than that in spring one. Complex Morlet wavelet was selected to detect runoff periodicity of the four hydrologic stations mentioned above. Totally the periodicity was 11–12 years in the source region of Yellow River, while 4–6 years in spring flood seasons and 13–14 years in summer flood seasons in the source region of Yangtze River. The major periodicity in spring, summer and dry seasons was distinctive greatly in different basins.
机译：通过分解和重建1965年至2007年Tuotuo River的水文学站的径流信息，在长江源区的Zimenda，Tangnaihai在黄河源区与DB3小波源区，不同的水文站的径流显示出下降在春季洪水，夏季洪水和干燥的季节，除了沱沱河的洪水和干燥。洪水/干季节系列衰退是夏天＆＃x003e; Spring＆＃x003e;干燥;虽然Tuotuo河的径流总是在1965年到2007年的不同阶段增加，但夏季洪水季节的速度较高，而不是春季的阶段。选择复杂的Morlet小波以检测上述四种水文站的径流周期性。周期性是黄河源区11-12岁，而长江源区春季洪水季节和13-14岁的春季洪水季节和13-14岁。春季，夏季和干燥季节的主要周期在不同的盆地中具有很大意义。

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