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环鄱阳湖地区地下水pH特征及其控制因素研究

薛洋 廖福 王广才

现代地质2024,Vol.38Issue(2):419-426,8.
现代地质2024,Vol.38Issue(2):419-426,8.DOI:10.19657/j.geoscience.1000-8527.2023.055

环鄱阳湖地区地下水pH特征及其控制因素研究

Study on the pH of Groundwater and Its Controlling Factors in the Poyang Lake Area,Jiangxi

薛洋 1廖福 2王广才2

作者信息

  • 1. 中国水务投资集团有限公司,北京 100053||中国地质大学(北京)水资源与环境学院,北京 100083||地下水循环与环境演化教育部重点实验室,北京 100083
  • 2. 中国地质大学(北京)水资源与环境学院,北京 100083||地下水循环与环境演化教育部重点实验室,北京 100083
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摘要

Abstract

The pH value is an essential hydrogeochemical parameter affecting the chemical species in the groundwater.The groundwater in the Poyang Lake area is of great importance to the ecosystem of lake and wet-land,and is the vital water resource for industrial and agricultural utilizations,however,only there are few stu-dies on the pH of the groundwater in the Poyang Lake aera.Through the investigation of the values of pH,and components of NO3,Cl,HCO3,SO4,Ca,Mg,Na,and K in the collected 56 groundwater samples,we studied the distribution and its controlling factors of the groundwater pH in the Poyang Lake area during both dry and wet seasons using multivariate statistics analysis and spatial analysis.It shows that the groundwater in the Poyang Lake area is slightly acid.The pH of groundwater ranges from 4.75 to 8.41 with an average of 6.43 during the dry season,while ranging from 4.76 to 7.43(average value 6.05)during the wet season.Groundw-ater pH in the Poyang Lake area presents spatial difference and varies with the hydrogeochemical types.This study infers that the potential effects on the pH of groundwater in the Poyang Lake area are acid rain,soil types,and presence of carbonate rocks.The results in this study will benefit the management of groundwater resources and groundwater pollution prevention in the Poyang Lake area.

关键词

鄱阳湖/地下水/pH/NO3/控制因素

Key words

Poyang Lake/groundwater/pH/nitrate/controlling factor

分类

天文与地球科学

引用本文复制引用

薛洋,廖福,王广才..环鄱阳湖地区地下水pH特征及其控制因素研究[J].现代地质,2024,38(2):419-426,8.

基金项目

国家自然科学基金重点项目(42030705) (42030705)

国家自然科学基金青年项目(42202272). (42202272)

现代地质

OA北大核心CSTPCD

1000-8527

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