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Article

Detecting the Quantitative Hydrological Response to Changes in Climate and Human Activities at Temporal and Spatial Scales in a Typical Gully Region of the Loess Plateau, China

1
School of Water and Environment, Chang’an University, Xi’an 710064, China
2
Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region, Chang’an University, Ministry of Education, Xi’an 710064, China
3
College of Geological Engineering and Geomatics, Chang’an University, Xi’an 710064, China
4
State Key Laboratory Base of Eco-Hydraulic in Arid Area, Xi’an University of Technology, Xi’an 710048, China
*
Author to whom correspondence should be addressed.
Academic Editor: Ian Prosser
Water 2022, 14(2), 257; https://doi.org/10.3390/w14020257
Received: 30 November 2021 / Revised: 8 January 2022 / Accepted: 13 January 2022 / Published: 16 January 2022
This study examined the Chabagou River watershed in the gully region of the Loess Plateau in China’s Shaanxi Province, and was based on measured precipitation and runoff data in the basin over a 52-year period (1959–2010), land-use types, normalized difference vegetation index (NDVI), and other data. Statistical models and distributed hydrological models were used to explore the influences of climate change and human activity on the hydrological response and on the temporal and spatial evolution of the basin. It was found that precipitation and runoff in the gully region presented a downward trend during the 52-year period. Since the 1970s, the hydrological response to human activities has become the main source of regional hydrological evolution. Evapotranspiration from the large silt dam in the study area has increased. The depth of soil water decreased at first, then it increased by amount that exceeded the evaporation increase observed in the second and third change periods. The water and soil conservation measures had a beneficial effect on the ecology of the watershed. These results provide a reference for water resource management and soil and water conservation in the study area. View Full-Text
Keywords: Loess Plateau; hydrological response; silt dam; hydrological response Loess Plateau; hydrological response; silt dam; hydrological response
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MDPI and ACS Style

Guo, P.; Lyu, J.; Yuan, W.; Zhou, X.; Mo, S.; Mu, D.; Luo, P. Detecting the Quantitative Hydrological Response to Changes in Climate and Human Activities at Temporal and Spatial Scales in a Typical Gully Region of the Loess Plateau, China. Water 2022, 14, 257. https://doi.org/10.3390/w14020257

AMA Style

Guo P, Lyu J, Yuan W, Zhou X, Mo S, Mu D, Luo P. Detecting the Quantitative Hydrological Response to Changes in Climate and Human Activities at Temporal and Spatial Scales in a Typical Gully Region of the Loess Plateau, China. Water. 2022; 14(2):257. https://doi.org/10.3390/w14020257

Chicago/Turabian Style

Guo, Peng, Jiqiang Lyu, Weining Yuan, Xiawan Zhou, Shuhong Mo, Dengrui Mu, and Pingping Luo. 2022. "Detecting the Quantitative Hydrological Response to Changes in Climate and Human Activities at Temporal and Spatial Scales in a Typical Gully Region of the Loess Plateau, China" Water 14, no. 2: 257. https://doi.org/10.3390/w14020257

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