| 葛州坝,唐乃亥径流量的时变特征分析 |
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| 引用本文： | 马柱国.葛州坝,唐乃亥径流量的时变特征分析[J].高原气象,1995,14(1):19-27. |
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| 作者姓名： | 马柱国 |
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| 作者单位： | 中国科学院兰州高原大气物理研究所 |
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| 基金项目： | 中国科学院KY－85－10项目资助 |
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| 摘 要： | 本文利用葛州坝、唐乃亥的月平均径流量资料分析了长江、黄河的径流量时变特征。结果表明：葛州坝和唐乃亥的径流量存在明显的丰、枯交替的周期性变化，但葛州坝，唐乃亥的周期性变化有所不同。唐乃亥径流量存在７．４年和１８．５年的显著周期，而葛州坝径流量存在１５．１４年和７．０７年的显著周期；唐乃亥径流量的持续（距平符号不变）时间较葛州坝流量的持续时间长，而葛州坝径流量月变率比唐乃亥的月变率小；葛州坝的多年月平
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| 关 键 词： | 周期 径流量 时间变化 葛州坝 |
THE CHARACTERISTICS OF THE TEMPORAL VARIATION OFFLOW-OFF ATTANGNAIHAI AND GE ZHOUBA |
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| Ma Zhuguo.THE CHARACTERISTICS OF THE TEMPORAL VARIATION OFFLOW-OFF ATTANGNAIHAI AND GE ZHOUBA[J].Plateau Meteorology,1995,14(1):19-27. |
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| Authors: | Ma Zhuguo |
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| Abstract: | Based on monthly mean flow-off data at Tang Naihai and Ge Zhouba . the characteristics of the temporal variations of flow off are analysed. The results indi- cate that there are periodic variations of high flow and low flow, and there are different characteristics in different places. At Tang Naihai , there are the dominant periods of 7.4 and 18.5 years, and there are the dominant periods of 15. 14 and 7.07 years at Ge Zhouba. The duration of flow-off departure (the signs of departure are same) at Tang Naibai is longer than that at Ge Zhouba, the monthly variability of the flow-off atTang Naibai is larger than that at Ge Zhouba.The monthly variations of multi-years mean flow-off are a single peak characteristic at Ge Zhouba, but at Tang Naihai, the monthly variations of multi-years mean Dow-off are double peaks, the double peak characteristic at Tang Naihai is related to the movement of the West Pacific Subtropical High. At last, the relationship between the flow-off at Tang Naihai and the departure of sod temperature of the area are also analysed , it is found that high flow years corre- spond to high Soil temperature, and low now years correspond to low soil temperature. |
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| Keywords: | Period Flow-off Temporal variation |
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