2017
DOI: 10.1002/hyp.11098
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Identifying separate impacts of climate and land use/cover change on hydrological processes in upper stream of Heihe River, Northwest China

Abstract: Climate change and land use/cover change (LUCC) are two factors that produce major impacts on hydrological processes. Understanding and quantifying their respective influence is of great importance for water resources management and socioeconomic activities as well as policy and planning for sustainable development. In this study, the Soil and Water Assessment Tool (SWAT) was calibrated and validated in upper stream of the Heihe River in Northwest China. The reliability of the SWAT model was corroborated in te… Show more

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Cited by 145 publications
(103 citation statements)
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“…We concluded that the climate change and land cover change both contributed to the increase of the streamflow, whereas climate change was the main factor, consistent with the conclusions of several previous studies [17,36,53]. Because of the changes to climate and land cover, the rainfall-runoff relationship has varied, which has also been demonstrated in previous studies [1,31].…”
Section: Discussionsupporting
confidence: 91%
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“…We concluded that the climate change and land cover change both contributed to the increase of the streamflow, whereas climate change was the main factor, consistent with the conclusions of several previous studies [17,36,53]. Because of the changes to climate and land cover, the rainfall-runoff relationship has varied, which has also been demonstrated in previous studies [1,31].…”
Section: Discussionsupporting
confidence: 91%
“…Overall the streamflow increasing due to climate change by 14.08% of total streamflow over the last 50 years, in agreement with the results of Wu et al [53] and Zhang et al [17]. The latest study also confirmed that the climate dominate the streamflow effects more significantly in the upper stream of the Heihe River rather than land cover change [36]. Figure 10 shows decadal changes of monthly precipitation, average temperature, and streamflow compared to values from the 1960s.…”
Section: Quantifying Climate Change Contribution To Streamflowsupporting
confidence: 85%
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“…where Δ represents the total change of a given hydrological element; hydrological elements can serve as statistic mean values over annual, seasonal, or monthly time scales [21].…”
Section: Framework For Separating the Effects Of Climate Change And Lmentioning
confidence: 99%
“…Separation of the individual influence of the two factors on hydrological processes thus warrants the need for inputting the applicable status of two factors from the baseline period to the entire period. Yang et al [21] recommended that a combined statistical and modeling method could be used to resolve this bias and further identified the climate and land cover change impacts on the hydrological processes in the Heihe River. In that study, the results were more reasonable and offered greater accuracy than the traditional OFAT and other statistical methods.…”
Section: Introductionmentioning
confidence: 99%