吉林市城区地下水化学时空变化特征分析  

Temporal and Spatial Variation Characteristics of Groundwater Chemistry in Jilin City

作　　者：王雅男[1] 肖长来[1] 赵琳琳[1] 梁秀娟[1] 邱淑伟[1] 

机构地区：[1]吉林大学地下水资源与环境教育部重点实验室,长春130021

出　　处：《节水灌溉》2014年第7期38-41,共4页Water Saving Irrigation

基　　金：吉林省重点科技攻关项目(20100452);教育部高等学校博士点基金项目(200801830044);国家自然科学基金项目(41072171)

摘　　要：根据吉林市城区多年地下水监测点的水质数据,采用数学统计法,离子比例系数法以及Piper图解法,对该地区地下水化学特征进行时间、空间分析。结果表明,研究区的水化学类型沿地下水流方向从Cl·HCO3-Ca·Na·Mg、SO4·HCO3-Ca·Mg型水向HCO3·Cl-Ca·Na型水变化,较为明显的是研究区TDS值呈现由东南向西北方向逐渐增大趋势,符合当地的水文地质条件。研究区溶滤作用、蒸发浓缩作用以及离子交换作用是该区水化学类型形成的主要因素,高矿化度地区主要分布在吉林市的江北一带,其原因与人类开采地下水以及工业污染有关。According to the water quality data of groundwater monitoring points in Jilin City, this paper uses the mathematical statistical method, the ion ratio factor analysis method and the Piper graphical method to analyze the change of groundwater chemical characteristics. The results show that in the study area, the groundwater chemistry types changes from the Cl·HCO3-Ca·Na·Mg、SO4·HCO3-Ca·Mg to HCO3·Cl-Ca·Na. More obvious is that in the study area, the degree of mineralization increases gradu- ally from the southeast to the northwest, which is corresponded to the local hydro-geological conditions. In the study area, leaching effect, evaporation and concentration effect, and ion exchange effect are the main factors for the formation of water chemistry type. The high salinity area mainly distributes in the north of the river area of Jilin City, the reason is associated with the human exploitation of groundwater and industrial pollution.

关 键 词：吉林市 水化学类型 矿化度 时空变化 

分 类 号：X523[环境科学与工程—环境工程]