SONG Yang,CHI Baoming,GU Hongbiao,et al.Study on Groundwater Cycle in Donggong River Basin Using Data of Hydrochemistry, D and 18O[J].Research of Soil and Water Conservation,2015,22(02):90-95,100.
基于水化学及D、18O的柳江盆地东宫河流域地下水循环特征解析
- Title:
- Study on Groundwater Cycle in Donggong River Basin Using Data of Hydrochemistry, D and 18O
- 分类号:
- P641.3
- 摘要:
- 运用水化学成分和环境同位素作为水循环研究的示踪剂，揭示柳江盆地东宫河流域地下水循环特征。通过现场调查，设计和布置水样的采样点，采集和测试大气降水、地表水及地下水样品，对比不同时期水样的水化学特征，结合氢氧同位素组成，最终确定不同类型地下水的补给、径流及排泄条件。研究表明：最具供水意义的地下水主要来自东宫河流域厚层的府君山组灰岩裂隙含水层，岩溶水自北向南流，与柳江盆地区域岩溶水流动方向一致。接受北部山区大气降水入渗补给，丰水期经由第四系弱透水层在东部落村以泉水形式排泄，在盆地北缘至东部落以西河段以地下径流的形式向东宫河排泄。基岩裂隙水次之，其分布具有强烈的非均质各向异性的特点，与盆地西北部山区的馒毛组泥页岩相比，盆地东北部花岗岩山区的裂隙水，水质好，补给水头最高，补给源稳定、补给路径较短，在李庄及其附近存在自流区。研究成果为当地的水资源开发与利用提供了科学依据。
- Abstract:
- By using environmental isotopes and hydrochemical components as tracers to survey water cycling, this paper revealed the groundwater cycling characteristics in Liujiang Donggong River Basin. Based on the field survey, designing and assigning the location of sampling points, collecting and testing atmospheric precipitation, surface water and groundwater samples, comparing different period chemical characteristics of water samples, combining hydrogen and oxygen isotopic composition, the conditions of recharge, runoff and discharge in different kinds of groundwater were determined. Results showed that groundwater originating from Fujunshan group limestone aquifer with thick layer in the Cambrian system was the most significance of water supply in Donggong River Basin; karst water flow direction was from north to south, which was in line with the regional karst water flow of Liujiang Basin. It received precipitation infiltration recharge from the northern mountains. In the wet period the discharge mainly included two forms： one was the spring discharge through Quaternary aquitard in Dongbuluo village, the other was in the form of groundwater runoff discharge to Donggong River in the northern margin of the basin to the west of Dongbuluo village. The bedrock fissure water followed, and its distribution had the strong inhomogeneous anisotropic characteristics. Compared to the Man-Mao group shale in the northwestern mountains of basin, the water quality in granite fissure from the northeastern mountains of basin was good, and had the highest recharge head, stable recharge source, and shorter recharge route. Meanwhile, artesian zone existed in Lizhuang and its vicinity. The research results can provide the scientific basis for the development and utilization of local water resources.
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备注/Memo
收稿日期:2014-04-23;改回日期:2014-11-14。
基金项目:中国地震局教师科研基金（20130103）；河北省教育厅高等学校科学研究计划项目（科技类青年基金）（QN20132004）
作者简介:宋洋(1982-),女,吉林敦化人,讲师,博士,主要从事水文地质、防灾减灾工程与防护工程研究。E-mail:songy0433@126.com
通讯作者:迟宝明(1957-),男,辽宁瓦房店人,教授,主要从事水文地质、防灾减灾工程与防护工程研究。E-mail:chibaoming@126.com