山东国土资源2024，Vol.40Issue(7)：15-24,10.DOI:10.12128/j.issn.1672-6979.2024.07.003
济南泉域长孝岩溶水单元水化学特征及硝酸盐污染分布
Hydrochemical Characteristics and Nitrate Pollution Distribution of Changxiao Karst Water System in Ji'nan Spring Field
摘要
Abstract
The contradiction between supply and demand of water resources and spring protection is increas-ingly prominent in Ji'nan city.Realizing a balance between spring water protection and sustainable utiliza-tion of water resources is very urgent.Changxiao karst water system is one of the important groundwater sources in Ji'nan city.In this study,chemical composition of groundwater in Changxiao karst water system has been analyzed by pipa three line diagram method,Gibbs diagram method,saturation index method and ion proportion method.The characteristics of groundwater ions in Changxiao karst water system have been studied.It is showed that the groundwater in the study area is mainly controlled by rock weathering.The groundwater types are relatively rich,and main type is HCO3-Ca.The groundwater in the study area has been polluted to a certain extent,and the nitrate ion in some areas exceeds the groundwater quality stand-ard.The groundwater with excessive nitrate is mainly distributed in densely populated areas or areas with thin Quaternary strata.It can provide a basis for further scientific development and utilization of karst wa-ter resources in Ji'nan city.关键词
长孝岩溶水单元/岩溶地下水/水化学特征/硝酸盐污染/济南市Key words
Changxiao karst water system/karst groundwater/hydrochemical characteristics/nitrate/Ji'nan city分类
天文与地球科学引用本文复制引用
盛琛,康玉潇,张哲,闵阳阳,王明国,黄报辉,熊贵耀..济南泉域长孝岩溶水单元水化学特征及硝酸盐污染分布[J].山东国土资源,2024,40(7):15-24,10.基金项目
国家自然科学青年基金(42102076),山东省自然科学青年基金(ZR2021QD037),山东省地热能调查评价与勘查项目鲁勘字[2024]74号联合资助 （42102076）
