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Hydrological Processes in the Huaihe River Basin, China: Seasonal Variations, Causes and Implications

SUN Peng SUN Yuyan ZHANG Qiang YAO Rui

SUN Peng, SUN Yuyan, ZHANG Qiang, YAO Rui. Hydrological Processes in the Huaihe River Basin, China: Seasonal Variations, Causes and Implications[J]. 中国地理科学, 2018, 28(4): 636-653. doi: 10.1007/s11769-018-0969-z
引用本文: SUN Peng, SUN Yuyan, ZHANG Qiang, YAO Rui. Hydrological Processes in the Huaihe River Basin, China: Seasonal Variations, Causes and Implications[J]. 中国地理科学, 2018, 28(4): 636-653. doi: 10.1007/s11769-018-0969-z
SUN Peng, SUN Yuyan, ZHANG Qiang, YAO Rui. Hydrological Processes in the Huaihe River Basin, China: Seasonal Variations, Causes and Implications[J]. Chinese Geographical Science, 2018, 28(4): 636-653. doi: 10.1007/s11769-018-0969-z
Citation: SUN Peng, SUN Yuyan, ZHANG Qiang, YAO Rui. Hydrological Processes in the Huaihe River Basin, China: Seasonal Variations, Causes and Implications[J]. Chinese Geographical Science, 2018, 28(4): 636-653. doi: 10.1007/s11769-018-0969-z

Hydrological Processes in the Huaihe River Basin, China: Seasonal Variations, Causes and Implications

doi: 10.1007/s11769-018-0969-z
基金项目: Under the auspices of National Science Foundation of China (No. 41601023, 41771536), National Science Foundation for Distinguished Young Scholars of China (No. 51425903), State Key Laboratory of Earth Surface Processes and Resource Ecology (No. 2017-KF-04), Creative Research Groups of National Natural Science Foundation of China (No. 41621061), Open Research Fund of State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin (China Institute of Water Resources and Hydropower Research) (No. IWHR-SKL-201720)
详细信息
    通讯作者:

    ZHANG Qiang.E-mail:zhangq68@bnu.edu.cn

Hydrological Processes in the Huaihe River Basin, China: Seasonal Variations, Causes and Implications

Funds: Under the auspices of National Science Foundation of China (No. 41601023, 41771536), National Science Foundation for Distinguished Young Scholars of China (No. 51425903), State Key Laboratory of Earth Surface Processes and Resource Ecology (No. 2017-KF-04), Creative Research Groups of National Natural Science Foundation of China (No. 41621061), Open Research Fund of State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin (China Institute of Water Resources and Hydropower Research) (No. IWHR-SKL-201720)
More Information
    Corresponding author: ZHANG Qiang.E-mail:zhangq68@bnu.edu.cn
  • 摘要: Understanding streamflow changes in terms of trends and periodicities and relevant causes is the first step into scientific management of water resources in a changing environment. In this study, monthly streamflow variations were analyzed using Modified Mann-Kendall (MM-K) trend test and Continuous Wavelet Transform (CWT) methods at 9 hydrological stations in the Huaihe River Basin. It was found that:1) streamflow mainly occurs during May to September, accounting for 70.4% of the annual total streamflowamount with Cv values between 0.16-0.85 and extremum ratio values between 1.70-23.90; 2) decreased streamflow can be observed in the Huaihe River Basin and significant decreased streamflow can be detected during April and May, which should be the results of precipitation change and increased irrigation demand; 3) significant periods of 2-4 yr were detected during the 1960s, the 1980s and the 2000s. Different periods were found at stations concentrated within certain regions implying periods of streamflow were caused by different influencing factors for specific regions; 4) Pacific Decadal Oscillation (PDO) has the most significant impacts on monthly streamflow mainly during June. Besides, Southern Oscillation Index (SOI), North Atlantic Oscillation (NAO) and the Niño3.4 Sea Surface Temperature (Niño3.4) have impacts on monthly streamflow with three months lags, and was less significant in time lag of six months. Identification of critical climatic factors having impacts on streamflow changes can help to predict monthly streamflow changes using climatic factors as explanatory variables. These findings were well corroborated by results concerning impacts of El Nino-Southern Oscillation (ENSO) regimes on precipitation events across the Huaihe River Basin. The results of this study can provide theoretical background for basin-scale man-agement of water resources and agricultural irrigation.
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Hydrological Processes in the Huaihe River Basin, China: Seasonal Variations, Causes and Implications

doi: 10.1007/s11769-018-0969-z
    基金项目:  Under the auspices of National Science Foundation of China (No. 41601023, 41771536), National Science Foundation for Distinguished Young Scholars of China (No. 51425903), State Key Laboratory of Earth Surface Processes and Resource Ecology (No. 2017-KF-04), Creative Research Groups of National Natural Science Foundation of China (No. 41621061), Open Research Fund of State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin (China Institute of Water Resources and Hydropower Research) (No. IWHR-SKL-201720)
    通讯作者: ZHANG Qiang.E-mail:zhangq68@bnu.edu.cn

摘要: Understanding streamflow changes in terms of trends and periodicities and relevant causes is the first step into scientific management of water resources in a changing environment. In this study, monthly streamflow variations were analyzed using Modified Mann-Kendall (MM-K) trend test and Continuous Wavelet Transform (CWT) methods at 9 hydrological stations in the Huaihe River Basin. It was found that:1) streamflow mainly occurs during May to September, accounting for 70.4% of the annual total streamflowamount with Cv values between 0.16-0.85 and extremum ratio values between 1.70-23.90; 2) decreased streamflow can be observed in the Huaihe River Basin and significant decreased streamflow can be detected during April and May, which should be the results of precipitation change and increased irrigation demand; 3) significant periods of 2-4 yr were detected during the 1960s, the 1980s and the 2000s. Different periods were found at stations concentrated within certain regions implying periods of streamflow were caused by different influencing factors for specific regions; 4) Pacific Decadal Oscillation (PDO) has the most significant impacts on monthly streamflow mainly during June. Besides, Southern Oscillation Index (SOI), North Atlantic Oscillation (NAO) and the Niño3.4 Sea Surface Temperature (Niño3.4) have impacts on monthly streamflow with three months lags, and was less significant in time lag of six months. Identification of critical climatic factors having impacts on streamflow changes can help to predict monthly streamflow changes using climatic factors as explanatory variables. These findings were well corroborated by results concerning impacts of El Nino-Southern Oscillation (ENSO) regimes on precipitation events across the Huaihe River Basin. The results of this study can provide theoretical background for basin-scale man-agement of water resources and agricultural irrigation.

English Abstract

SUN Peng, SUN Yuyan, ZHANG Qiang, YAO Rui. Hydrological Processes in the Huaihe River Basin, China: Seasonal Variations, Causes and Implications[J]. 中国地理科学, 2018, 28(4): 636-653. doi: 10.1007/s11769-018-0969-z
引用本文: SUN Peng, SUN Yuyan, ZHANG Qiang, YAO Rui. Hydrological Processes in the Huaihe River Basin, China: Seasonal Variations, Causes and Implications[J]. 中国地理科学, 2018, 28(4): 636-653. doi: 10.1007/s11769-018-0969-z
SUN Peng, SUN Yuyan, ZHANG Qiang, YAO Rui. Hydrological Processes in the Huaihe River Basin, China: Seasonal Variations, Causes and Implications[J]. Chinese Geographical Science, 2018, 28(4): 636-653. doi: 10.1007/s11769-018-0969-z
Citation: SUN Peng, SUN Yuyan, ZHANG Qiang, YAO Rui. Hydrological Processes in the Huaihe River Basin, China: Seasonal Variations, Causes and Implications[J]. Chinese Geographical Science, 2018, 28(4): 636-653. doi: 10.1007/s11769-018-0969-z
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