灌排洗盐条件下吉林西部灌区地下水水质演变特征分析  

Characterization of Groundwater Quality Evolution in Western Jilin Irrigation Area Under Irrigation and Drainage Salt Washing Conditions

作　　者：陈彩蝶 王宇[1,2] 卞建民 吕川[3] 汪彦辰 王世界[4] CHEN Caidie;WANG Yu;BIAN Jianmin;LYU Chuan;WANG Yanchen;WANG Shijie(Key Laboratory of Groundwater Resources and Environment,Ministry of Education,Jilin University,Changchun 130021,China;College of New Energy and Environment Institute,Jilin University,Changchun 130021,China;Jilin Provincial Institute of Environmental Science,Changchun 130012,China;Liaoning Shenyang Hydrological Bureau,Shenyang 110043,China)

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,吉林长春130021 [2]吉林大学新能源与环境学院,吉林长春130021 [3]吉林省环境科学研究院,吉林长春130012 [4]辽宁省沈阳水文局,辽宁沈阳110043

出　　处：《人民黄河》2025年第4期112-119,共8页Yellow River

基　　金：国家重点研发计划项目(2022YFD1500500);吉林省环境保护科研项目(吉环科字第2023-15号)。

摘　　要：为了明晰吉林西部盐渍灌区地下水水质演变特征和地下水化学组分来源,选取2012—2014年和2019—2020年地下水水质监测数据,综合采用数理统计、图解法、熵权贝叶斯、因子分析、绝对因子得分-多元线性回归(APCS-MLR)模型,开展吉林西部灌区地下水化学特征、水质评价和水化学组分溯源解析研究。结果表明:灌区及周边地下水Fe、F、Mn、三氮化合物严重超标;水化学类型主要为HCO^(-)_(3)-Na^(+)-Ca^(2+)型的弱碱性水,受岩石溶滤和蒸发结晶作用影响,长期灌排洗盐使灌区及周边盐碱化现象得到改善;研究期内灌区及周边潜水Ⅳ、Ⅴ类水占比共增加5.3个百分点,承压水中Ⅳ、Ⅴ类水占比共减少4.0个百分点;溶滤-次生富集作用对地下水水质的影响最大,使水中可溶性离子、TDS、总硬度等组分浓度上升;盐碱地开发水田灌区导致区域农业活动对地下水化学组分的影响加大。In order to clarify the groundwater quality evolution characteristics and the sources of groundwater chemical components in the saline irrigation area in western Jilin,the groundwater quality monitoring data from 2012-2014 and 2019-2020 were selected,and mathematical statistics,graphical method,entropy-weighted Bayesian,factor analysis,and Absolute Factor Score-Multiple Linear Regression(APCS-MLR)model were used to carry out the research on groundwater chemical characteristics,water quality evaluation and hydrochemical components traceability analysis in western Jilin irrigation area.The results show that:Fe,F,Mn and tri-nitrogen compounds in the irrigation area and its surrounding areas are seriously exceeded.The water chemistry type is mainly weak alkaline water of the HCO^(-)_(3)-Na^(+)-Ca^(2+)type,affected by the dissolution and filtration of rocks and evaporation-crystallization,and the long-term irrigation and drainage salt-washing improves salinization of the irrigation area and its surrounding areas.During the research period,the salinization of the irrigation area and its surrounding areas divingⅣ,Ⅴwater proportion increased by a total of 5.3 percentage points,Ⅳ,Ⅴwater proportion in the pressurized water decreased by a total of 4.0 percentage points.Dissolved filtration-secondary enrichment effect on groundwater quality is the most significant,so that the concentration of soluble ions in the water,TDS,total hardness and other components of the water increased.Saline and alkaline development of paddy field irrigation area leads to increased regional agricultural activities on the impact of the chemical components of groundwater.

关 键 词：盐渍灌区 APCS-MLR模型 水化学特征 水质评价 溯源解析 吉林西部 

分 类 号：X523[环境科学与工程—环境工程] X824