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Multiple Time Scale Analysis of River Runoff Using Wavelet Transform for Dagujia River Basin, Yantai, China

LIU Delin LIU Xianzhao LI Bicheng ZHAO Shiwei LI Xiguo

LIU Delin, LIU Xianzhao, LI Bicheng, ZHAO Shiwei, LI Xiguo. Multiple Time Scale Analysis of River Runoff Using Wavelet Transform for Dagujia River Basin, Yantai, China[J]. 中国地理科学, 2009, 19(2): 158-167. doi: 10.1007/s11769-009-0158-1
引用本文: LIU Delin, LIU Xianzhao, LI Bicheng, ZHAO Shiwei, LI Xiguo. Multiple Time Scale Analysis of River Runoff Using Wavelet Transform for Dagujia River Basin, Yantai, China[J]. 中国地理科学, 2009, 19(2): 158-167. doi: 10.1007/s11769-009-0158-1
LIU Delin, LIU Xianzhao, LI Bicheng, ZHAO Shiwei, LI Xiguo. Multiple Time Scale Analysis of River Runoff Using Wavelet Transform for Dagujia River Basin, Yantai, China[J]. Chinese Geographical Science, 2009, 19(2): 158-167. doi: 10.1007/s11769-009-0158-1
Citation: LIU Delin, LIU Xianzhao, LI Bicheng, ZHAO Shiwei, LI Xiguo. Multiple Time Scale Analysis of River Runoff Using Wavelet Transform for Dagujia River Basin, Yantai, China[J]. Chinese Geographical Science, 2009, 19(2): 158-167. doi: 10.1007/s11769-009-0158-1

Multiple Time Scale Analysis of River Runoff Using Wavelet Transform for Dagujia River Basin, Yantai, China

doi: 10.1007/s11769-009-0158-1
基金项目: Under the auspices of National Key Science and Technology Support Program of China (No. 2006BCA01A07-2);National Natural Science Foundation of China (No. 40101005);Science Foundation of Shandong Province, China (No. Q02E03)
详细信息
    通讯作者:

    LI Bicheng.E-mail:bcli@ms.iswc.ac.cn

Multiple Time Scale Analysis of River Runoff Using Wavelet Transform for Dagujia River Basin, Yantai, China

Funds: Under the auspices of National Key Science and Technology Support Program of China (No. 2006BCA01A07-2);National Natural Science Foundation of China (No. 40101005);Science Foundation of Shandong Province, China (No. Q02E03)
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  • 被引次数: 0
出版历程
  • 收稿日期:  2008-08-05
  • 修回日期:  2009-02-20
  • 刊出日期:  2009-06-20

Multiple Time Scale Analysis of River Runoff Using Wavelet Transform for Dagujia River Basin, Yantai, China

doi: 10.1007/s11769-009-0158-1
    基金项目:  Under the auspices of National Key Science and Technology Support Program of China (No. 2006BCA01A07-2);National Natural Science Foundation of China (No. 40101005);Science Foundation of Shandong Province, China (No. Q02E03)
    通讯作者: LI Bicheng.E-mail:bcli@ms.iswc.ac.cn

摘要: Based on monthly river runoff and meteorological data, a method of Morlet wavelet transform was used to analyze the multiple time scale characteristics of river runoff in the Dagujia River Basin, Yantai City, Shandong Province. The results showed that the total annual river runoff in the Dagujia River Basin decreased significantly from 1966 to 2004, and the rate of decrease was 48×106m3/10yr, which was higher than the mean value of most rivers in China. Multiple time scale characteristics existed, which accounted for different aspects of the changes in annual river runoff, and the major periods of the runoff time series were identified as about 28 years, 14 years and 4 years with decreasing levels of fluctuation. The river runoff evolution process was controlled by changes in precipitation to a certain extent, but it was also greatly influenced by human activities. Also, for different time periods and scales, the impacts of climate changes and human activities on annual river runoff evolution occurred at the same time. Changes in the annual river runoff were mainly associated with climate change before the 1980s and with human activities after 1981.

English Abstract

LIU Delin, LIU Xianzhao, LI Bicheng, ZHAO Shiwei, LI Xiguo. Multiple Time Scale Analysis of River Runoff Using Wavelet Transform for Dagujia River Basin, Yantai, China[J]. 中国地理科学, 2009, 19(2): 158-167. doi: 10.1007/s11769-009-0158-1
引用本文: LIU Delin, LIU Xianzhao, LI Bicheng, ZHAO Shiwei, LI Xiguo. Multiple Time Scale Analysis of River Runoff Using Wavelet Transform for Dagujia River Basin, Yantai, China[J]. 中国地理科学, 2009, 19(2): 158-167. doi: 10.1007/s11769-009-0158-1
LIU Delin, LIU Xianzhao, LI Bicheng, ZHAO Shiwei, LI Xiguo. Multiple Time Scale Analysis of River Runoff Using Wavelet Transform for Dagujia River Basin, Yantai, China[J]. Chinese Geographical Science, 2009, 19(2): 158-167. doi: 10.1007/s11769-009-0158-1
Citation: LIU Delin, LIU Xianzhao, LI Bicheng, ZHAO Shiwei, LI Xiguo. Multiple Time Scale Analysis of River Runoff Using Wavelet Transform for Dagujia River Basin, Yantai, China[J]. Chinese Geographical Science, 2009, 19(2): 158-167. doi: 10.1007/s11769-009-0158-1
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