Effects of Groundwater Pumping on Ground Surface Temperature: A Regional Modeling Study in the North China Plain

Yang，Chen1,2,3; Li，Hong Yi3; Fang，Yilin4; Cui，Chixiao5; Wang，Tianye6,7; Zheng，Chunmiao1,2; Leung，L. Ruby4; Maxwell，Reed M.8; Zhang，You Kuan1,2; Yang，Xiaofan9,10

2020-05-16

10.1029/2019JD031764

JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES   影响因子和分区

2169-897X

2169-8996

Overexploitation of groundwater (GW) in the North China Plain (NCP) since the 1960s has many environmental consequences. However, mechanistic understanding of this perturbation remains limited, particularly at the regional scale. In this study, the coupled ParFlow.CLM model representing subsurface and land surface processes and their interactions was applied in the NCP at high spatiotemporal resolutions. The model was validated using the water and energy fluxes reported in previous studies and from the JRA-55 reanalysis. Numerical experiments were designed to examine the impacts of GW pumping and irrigation on the ground surface temperature (GST). Results show significant effects of GW pumping on GST in the NCP. Generally, the subsurface acts as a buffer to temporal variations in heat fluxes at the land surface, but long-term pumping can gradually weaken this buffer, leading to increases in the spatiotemporal variability of GST, as exemplified by hotter summers and colder winters. Considering that changes of water table depth (WTD) can significantly affect land surface heat fluxes when WTD ranges roughly between 0.01 and 10 m, the 0.5-m/yr increase of WTD simulated by the model due to pumping can continue to increase the regional averaged WTD and hence, perturb GST for about 20 years after GW pumping began in the NCP, before WTD exceeds 10 m. The variations of GST are expected to increase faster initially and gradually slow down due to the nonlinear behaviors of GST with WTD. The findings from this study in the NCP may also have implications for other regions with GW depletion.

ground surface temperature groundwater pumping integrated hydrologic modeling ParFlow.CLM the North China Plain

SCI

英语

第一 ; 通讯

Strategic Priority Research Program of Chinese Academy of Sciences[XDA20100104] ; National Natural Science Foundation of China[41807198] ; Department of Energy[DE-AC05-76RL01830]

Meteorology & Atmospheric Sciences

Meteorology & Atmospheric Sciences

WOS:000536605500026

AMER GEOPHYSICAL UNION

GEOSCIENCES

2-s2.0-85084454846

Scopus

1.Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution Control,School of Environmental Science and Engineering,Southern University of Science and Technology,Shenzhen,China
2.State Environmental Protection Key Laboratory of Integrated Surface Water-Groundwater Pollution Control,School of Environmental Science and Engineering,Southern University of Science and Technology,Shenzhen,China
3.Cullen College of Engineering,University of Houston,Houston,United States
4.Pacific Northwest National Laboratory,Richland,United States
5.Taihu Lake Laboratory Ecosystem Research Station,State Key Laboratory of Lake Science and Environment,Nanjing Institute of Geography and Limnology,Chinese Academy of Sciences,Nanjing,China
6.Key Laboratory of Water Cycle and Related Land Surface Processes,Institute of Geographic Sciences and Natural Resources Research,Chinese Academy of Sciences,Beijing,China
7.Key Laboratory of Water Cycle and Related Land Surface Processes,University of Chinese Academy of Sciences,Beijing,China
8.Department of Geology and Geological Engineering,Colorado School of Mines,Golden,United States
9.State Key Laboratory of Earth Surface Processes and Resource Ecology,Faculty of Geographical Science,Beijing Normal University,Beijing,China
10.Beijing Computational Science Research Center,Beijing,China

Yang，Chen,Li，Hong Yi,Fang，Yilin,et al. Effects of Groundwater Pumping on Ground Surface Temperature: A Regional Modeling Study in the North China Plain[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2020,125(9).

Yang，Chen.,Li，Hong Yi.,Fang，Yilin.,Cui，Chixiao.,Wang，Tianye.,...&Yang，Xiaofan.(2020).Effects of Groundwater Pumping on Ground Surface Temperature: A Regional Modeling Study in the North China Plain.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,125(9).

Yang，Chen,et al."Effects of Groundwater Pumping on Ground Surface Temperature: A Regional Modeling Study in the North China Plain".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 125.9(2020).