Next Article in Journal
Evaluating the Impact of Wastewater Effluent on Microbial Communities in the Panke, an Urban River
Next Article in Special Issue
Assessment of Hydrologic Alteration Metrics for Detecting Urbanization Impacts
Previous Article in Journal
The Legal Geographies of Water Claims: Seawater Desalination in Mining Regions in Chile
Previous Article in Special Issue
Unraveling the Role of Human Activities and Climate Variability in Water Level Changes in the Taihu Plain Using Artificial Neural Network
Open AccessArticle

The Impacts of Climate Variation and Land Use Changes on Streamflow in the Yihe River, China

College of Environment and Planning, Henan University, Kaifeng 475004, China
Key Laboratory of Geospatial Technology for the Middle and Lower Yellow River Regions, Ministry of Education, Kaifeng 475004, China
Authors to whom correspondence should be addressed.
Water 2019, 11(5), 887;
Received: 31 March 2019 / Revised: 17 April 2019 / Accepted: 22 April 2019 / Published: 27 April 2019
(This article belongs to the Special Issue Hydrological Impacts of Climate Change and Land Use/Land Cover Change)
Climate variation and land use changes have been widely recognized as two major factors that impact hydrological processes. However, it is difficult to distinguish their contributions to changes in streamflow. Quantifying their contributions to alteration of streamflow is especially important for the sustainable management of water resources. In this study, the changes in streamflow for the period of 1960–2008 at two stations (Dongwan and Luhun) were analyzed in the Yihe watershed in China based on hydrological data series and climate parameters. Using a non-parametric Mann–Kendall (MK) and Pettitt’s test, as well as Budyko analysis, we first examined the trends of hydroclimatic variables and the breakpoint of annual streamflow over the past 50 years. Subsequently, we evaluated the contributions of annual precipitation (P), potential evapotranspiration (PET), and land use condition (represented by w), respectively, to streamflow variation. We observed a decreasing trend for P, as well as increasing trends for PET and w. Annual streamflow showed a significant downward trend with an abrupt change occurring in 1985 during the period of 1960–2008. Accordingly, we divided the studied period into two sub-periods: period I (1960–1985) and period II (1986–2008). The sensitivity of the streamflow to the different environmental factors concerned in this study differed. Streamflow was more sensitive to P than to PET and w. The decrease in P was the greatest contributor to the decline in streamflow, which accounted for 50.01% for Dongwan and 55.36% for Luhun, followed by PET, which accounted for 24.25% for Dongwan and 24.45% for Luhun, and land use change was responsible for 25.25% for Dongwan and 20.19% for Luhun. Although land use change plays a smaller role in streamflow reduction, land use optimization and adjustment still have great significance for future water resource management, since climate variation is difficult to control; however, the pattern optimization of land use can be achieved subjectively. View Full-Text
Keywords: climate variability; land use change; streamflow; contribution evaluation; Yihe watershed climate variability; land use change; streamflow; contribution evaluation; Yihe watershed
Show Figures

Figure 1

MDPI and ACS Style

Xu, S.; Qin, M.; Ding, S.; Zhao, Q.; Liu, H.; Li, C.; Yang, X.; Li, Y.; Yang, J.; Ji, X. The Impacts of Climate Variation and Land Use Changes on Streamflow in the Yihe River, China. Water 2019, 11, 887.

Show more citation formats Show less citations formats
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Access Map by Country/Region

Back to TopTop