Impacts of climate change and human activities on runoff variations in Yixun River Basin

Li-yu WU; Xuan ZHANG; Chong LI; Fang-hua HAO

doi:10.31497/zrzyxb.202007

Journal of Natural Resources, Volume. 35, Issue 7, 1744(2020)

Impacts of climate change and human activities on runoff variations in Yixun River Basin

Li-yu WU1... Xuan ZHANG1,2,*, Chong LI1, and Fang-hua HAO12 |Show fewer author(s)

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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Figures & Tables(10)

Fig. 1. Geographical location and stations distribution of the Yixun River Basin

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Fig. 2. Basic data of the Yixun River Basin

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Fig. 3. Results of M-K trend test values for precipitation, temperature and runoff in the Yixun River Basin

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Fig. 4. Results of M-K mutation test for meteorological and hydrological data of the Yixun River Basin

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Fig. 5. Annual runoff depth of the study area outlet station (Hanjiaying station)

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Fig. 6. Comparison of observed runoff and simulated runoff in the Yixun River Basin

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Fig. 7. Annual average runoff depth variation of the impact periods in the Yixun River Basin

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Table 1. Parameters of VIC model

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Table 1. Parameters of VIC model

参数	单位	描述	取值范围	率定结果
b	—	饱和容量曲线参数	0.001~1.0	0.088
Ds	—	非线性基流发生时占Ds_max的比例	0.001~1.0	0.16
Ds_max	mm	基流日最大出流	0.1~50.0	3.54
Ws	—	非线性基流发生时占最大含水量的比例	0.2~1.0	0.89
C	—	下渗曲线指数	2.0	2.00
d₁	m	第一层土壤厚度	0.1	0.10
d₂	m	第二层土壤厚度	0.1~3.0	1.25
d₃	m	第三层土壤厚度	0.1~3.0	1.65

Table 2. Multi-year average runoff depth and contribution rate of the impact periods at Hanjiaying station

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Table 2. Multi-year average runoff depth and contribution rate of the impact periods at Hanjiaying station

影响期	R₀/mm	R₁/mm	R/mm	ΔR/mm	ΔR_climate/mm	ΔR_human/mm	η_climate/%	η_human/%
①	47.37	26.30	32.64	-21.07	-14.73	-6.34	（-）69.9	（-）30.1
②	47.37	52.44	48.92	5.07	1.55	3.52	（+）30.5	（+）69.5
③	47.37	17.74	39.62	-29.63	-7.75	-21.88	（-）26.2	（-）73.8

Table 3. Multi-year average soil water content of the impact periods in the Yixun River Basin (mm)
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Table 3. Multi-year average soil water content of the impact periods in the Yixun River Basin (mm)
第一土壤层第二土壤层第三土壤层总计
基准期 27.63 364.51 136.20 528.34
影响 ① 期 27.55 359.65 115.35 502.55
影响 ② 期 27.96 366.42 133.43 527.81
影响 ③ 期 27.77 364.67 128.78 521.22

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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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Paper Information

Received: May. 24, 2019

Accepted: --

Published Online: Jan. 6, 2021

The Author Email: ZHANG Xuan (xuan@bnu.edu.cn)

DOI:10.31497/zrzyxb.202007

Topics

Resource Economy

Research Articles

Table 1. Parameters of VIC model

Table 1. Parameters of VIC model

Table 2. Multi-year average runoff depth and contribution rate of the impact periods at Hanjiaying station

Table 2. Multi-year average runoff depth and contribution rate of the impact periods at Hanjiaying station

Table 3. Multi-year average soil water content of the impact periods in the Yixun River Basin (mm)

Table 3. Multi-year average soil water content of the impact periods in the Yixun River Basin (mm)

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