• 关键词：艾比湖  季节性水质  水质变化  精河  博尔塔拉河

• 基金项目：国家自然科学基金（No.41361045）；新疆本地优秀青年培养专项（No.U1503302）

• 朱世丹
• 1. 新疆大学资源与环境科学学院, 智慧城市与环境建模普通高校重点实验室, 乌鲁木齐 830046;2. 新疆大学绿洲生态教育部重点实验室, 乌鲁木齐 830046

• 张飞
• 1. 新疆大学资源与环境科学学院, 智慧城市与环境建模普通高校重点实验室, 乌鲁木齐 830046;2. 新疆大学绿洲生态教育部重点实验室, 乌鲁木齐 830046

• 张海威
• 1. 新疆大学资源与环境科学学院, 智慧城市与环境建模普通高校重点实验室, 乌鲁木齐 830046;2. 新疆大学绿洲生态教育部重点实验室, 乌鲁木齐 830046

• 摘要：基于2016年5月和10月两次野外水质数据，综合应用空间分析和多元统计方法，系统分析了艾比湖流域河水水质的季节性特征及空间分布格局.结果表明：流域大部分地表水的SO₄^2-、Cl^-和HCO₃^-浓度并无显著差异，水化学类型处于水化学类型易变的区域.但结合Piper图可以初步判断艾比湖周边的水化学类型为SO₄^2--Na⁺型，精河及博尔塔拉河为HCO₃^--SO₄^2--Ca²⁺-Na⁺型，奎屯河为SO₄^2--Cl^--Na⁺型.流域水化学组成整体的自然起源主要受自身蒸发-结晶作用与以碳酸盐岩为主的风化溶解作用的共同影响，大气降水的输入作用十分微弱.10月河流部分地区受农业、工业等人类活动影响，说明人为因素对流域内的水化学组成产生影响.结果研究可以为艾比湖流域水环境管理提供科学依据.

• Abstract：Based on the two field data sampling and collection of water quality in May 2016 and October 2016. Multivariate statistical analysis was used to study the seasonal characteristics and spatial distribution pattern of river water quality in Ebinur Lake Basin. The results indicated that the concentrations of SO₄^2-, Cl^- and HCO₃^- in most surface waters are not significantly different, and the hydrochemical type is in the region of variable hydrochemical type. But combined with Piper map can initially determine that SO₄^2- and Na⁺ were around Ebinur Lake area, Jinghe and Bortala rivers were high on HCO₃^--SO₄^2--Ca²⁺-Na⁺, and the Kuitun river has high SO₄^2--Cl^--Na⁺. The origin of the water chemical composition is mainly affected by the geologic bedrock and surface materials, and surrounding environment. In October, some river water quality were affected by agriculture, industrial, and human activities. The results of this study could provide some useful information for water quality management in Ebinur Lake Basin.

• Key words：Ebinur Lake  seasonal water quality  spatial variation of water quality  Jing He  Bortala River

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