• Journal of Natural Resources
  • Vol. 35, Issue 7, 1744 (2020)
Li-yu WU1, Xuan ZHANG1、2、*, Chong LI1, and Fang-hua HAO1、2
Author Affiliations
  • 1College of Water Sciences, Beijing Normal University, Beijing 100875, China
  • 2Green Development Institute, Beijing Normal University, Beijing 100875, China
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    DOI: 10.31497/zrzyxb.202007 Cite this Article
    Li-yu WU, Xuan ZHANG, Chong LI, Fang-hua HAO. Impacts of climate change and human activities on runoff variations in Yixun River Basin[J]. Journal of Natural Resources, 2020, 35(7): 1744 Copy Citation Text show less
    Geographical location and stations distribution of the Yixun River Basin
    Fig. 1. Geographical location and stations distribution of the Yixun River Basin
    Basic data of the Yixun River Basin
    Fig. 2. Basic data of the Yixun River Basin
    Results of M-K trend test values for precipitation, temperature and runoff in the Yixun River Basin
    Fig. 3. Results of M-K trend test values for precipitation, temperature and runoff in the Yixun River Basin
    Results of M-K mutation test for meteorological and hydrological data of the Yixun River Basin
    Fig. 4. Results of M-K mutation test for meteorological and hydrological data of the Yixun River Basin
    Annual runoff depth of the study area outlet station (Hanjiaying station)
    Fig. 5. Annual runoff depth of the study area outlet station (Hanjiaying station)
    Comparison of observed runoff and simulated runoff in the Yixun River Basin
    Fig. 6. Comparison of observed runoff and simulated runoff in the Yixun River Basin
    Annual average runoff depth variation of the impact periods in the Yixun River Basin
    Fig. 7. Annual average runoff depth variation of the impact periods in the Yixun River Basin
    参数单位描述取值范围率定结果
    b饱和容量曲线参数0.001~1.00.088
    Ds非线性基流发生时占Dsmax的比例0.001~1.00.16
    Dsmaxmm基流日最大出流0.1~50.03.54
    Ws非线性基流发生时占最大含水量的比例0.2~1.00.89
    C下渗曲线指数2.02.00
    d1m第一层土壤厚度0.10.10
    d2m第二层土壤厚度0.1~3.01.25
    d3m第三层土壤厚度0.1~3.01.65
    Table 1. Parameters of VIC model
    影响期R0/mmR1/mmR/mmΔR/mmΔRclimate/mmΔRhuman/mmηclimate/%ηhuman/%
    47.3726.3032.64-21.07-14.73-6.34(-)69.9(-)30.1
    47.3752.4448.925.071.553.52(+)30.5(+)69.5
    47.3717.7439.62-29.63-7.75-21.88(-)26.2(-)73.8
    Table 2. Multi-year average runoff depth and contribution rate of the impact periods at Hanjiaying station
    第一土壤层第二土壤层第三土壤层总计
    基准期27.63364.51136.20528.34
    影响 ① 期27.55359.65115.35502.55
    影响 ② 期27.96366.42133.43527.81
    影响 ③ 期27.77364.67128.78521.22
    Table 3. Multi-year average soil water content of the impact periods in the Yixun River Basin (mm)
    Li-yu WU, Xuan ZHANG, Chong LI, Fang-hua HAO. Impacts of climate change and human activities on runoff variations in Yixun River Basin[J]. Journal of Natural Resources, 2020, 35(7): 1744
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