Impacts of land use/land cover patterns on groundwater quality in the Guanzhong Basin of northwest China

被引：25
|
作者：
Xu, Fei [1 ,2 ]
Li, Peiyue [1 ,2 ]
Chen, Wenqian [1 ,2 ]
He, Song [1 ,2 ]
Li, Fan [1 ,2 ]
Mu, Dawei [1 ,2 ]
Elumalai, Vetrimurugan [3 ]
机构：
[1] Changan Univ, Sch Water & Environm, Xian, Shaanxi, Peoples R China
[2] Changan Univ, Minist Educ, Key Lab Subsurface Hydrol & Ecol Effects Arid Reg, Xian, Shaanxi, Peoples R China
[3] Univ Zululand, Dept Hydrol, Kwa Dlangezwa, South Africa
来源：
GEOCARTO INTERNATIONAL | 2022年 / 37卷 / 27期
基金：
中国国家自然科学基金;
关键词：
Land use/land cover; Spearman correlation; LULC prediction; Water quality change; Guanzhong Plain; WATER; CITY;
D O I：
10.1080/10106049.2022.2115153
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Land use/land cover (LULC) significantly affects groundwater quality. This study analyzed the spatial distribution characteristics of groundwater hydrochemical parameters in the Guanzhong Basin and assessed the relationships between the groundwater parameters and LULC using statistical models and a curved streamline searchlight-shaped model (CS-SLM). The results showed that higher groundwater parameter concentrations were observed in the north of the plain than in the south. Forest and water bodies showed a positive effect on most hydrochemical parameters (Na+, Cl-, SO42-, F-, Cr6+), while bare land and cropland revealed a negative effect on them. In addition, the Patch-generating Land Use Simulation (PLUS) model was used to predict the LULC patterns for 2030 and to qualitatively analyze the potential changes in groundwater quality associated with LULC changes. The simulation results highlighted a significant decrease in forest areas in the southern part of Guanzhong Plain by 2030, resulting in potential groundwater quality deterioration.
引用
收藏
页码：16769 / 16785
页数：17
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