| 伊犁河谷西部平原多级次地下水循环模式 |
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| 作者姓名： | 王骞迎 张艺武 苏小四 杨峰田 任婉立 赵振宏 |
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| 作者单位： | ( 1. 吉林大学 水资源与环境研究所, 长春 130021; 2. 吉林大学 建设工程学院, 长春 130021; 3. 吉林大学 新能源与环境学院, 长春 130021; 4. 中国地质调查局西安地质调查中心, 西安 710054) |
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| 基金项目： | 中国地质调查局地质调查项目( 121201011000150021) |
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| 摘 要： | 分析伊犁河谷西部平原区地质条件与水文地质条件,结合2017、2018年研究区内采集的220组地表水及地下水样品的水化学、D、~(18)O、~3 H及CFCs等指标测试结果,以伊犁河南北岸2个典型剖面为重点,分析了区域地下水环境同位素和水化学的空间分布特征。伊犁河谷西部平原区地下水主要接受山区降水补给,地形地貌和含水层岩性变化是控制区内地下水循环最主要的影响因素,区内地下水循环表现为多级次的循环演化特点,以伊犁河为界,伊犁河谷西部平原区南北两侧地下水水流系统可划分为局部、中间和区域等3个级次的地下水流系统。不同级次的地下水水流系统在循环范围和深度上存在一定差异。
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| 关 键 词： | 地下水 环境同位素 CFCs 循环模式 伊犁河谷 |
Study on multi-level groundwater cycle pattern in the western plain of Yili River Valley |
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| Authors: | WANG Qianying ZH ANG Yiwu SU Xiaosi YANG Fengtian REN Wanli ZH AO Zhenho ng |
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| Affiliation: | ( 1. Institute of Water Resources and Environment , Jilin University , Changchun 130021, China; 2. Construction Engineering College, Jilin University , Changchun 130021, China; 3. New Energy and Environment College, Jilin University , Changchun 130021, China; 4. Xi''an Center of China Geological Survey , Xi''an 710054, China) |
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| Abstract: | The spatial distribution characteristics of environmental isotopes and hydrochemistry in the regional groundwater were analyzed based on the analysis of geological and hydrogeological conditions, combined with the results of hydrochemistry , D, 18 O, 3 H, 14 C and CFCs of 220 sets of surface water and groundwater samples collected in 2017 and 2018 at the western plain of the Yili River and two typical sections in the north and south banks of Yili River Valley. Groundwater in the western plain of Yili River Valley was mainly supplied by precipitation from mountain areas. The change of to pography , geomorphology and aquifer structure was the most important factor to control groundwater circulation. The groundwater circulation showed multi-level cyclic evolut ion char acteristics. The groundwater flow systems on the north and south sides of the western plain of Yili River Valley can be divided into local, intermediate and regional groundwater flow systems. There are some differences in the circulation range and depth of different groundwater flow systems |
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| Keywords: | groundwater environmental isotope CFCs circulation model Yili River Valley |
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