干旱区生态环境知识资源中心(Arid): 焉耆盆地开都河北岸潜水水化学演化规律

Arid

	焉耆盆地开都河北岸潜水水化学演化规律
其他题名	Hydrochemical Evolution of Phreatic Water in the Northern Area of Kaidu River in Yanqi Basin
	彭李晖; 刘延锋; 杨霄翼
来源期刊	地质科技情报
ISSN	1000-7849
出版年	2013
卷号	32 期号:6 页码:123-129
中文摘要	地下水化学演化特征研究对受人类干扰严重、生态系统脆弱的干旱地区地下水资源开发具有重要意义。以焉耆盆地开都河北岸灌区作为研究对象,利用该地区不同时期292组潜水水化学数据,在沉积环境分区基础上研究该地区潜水水化学的时空演化规律,探讨其原因。结果表明,研究区潜水水化学在时间和空间上存在明显的演化特征,即随着时间的推移,研究区潜水向淡化方向演化,低矿化度的HCO_3与HCO_3-SO_4型水分布范围增加;空间上,各时期潜水水化学组分从开都河上游到下游变化程度逐渐增大。研究区水化学时空演化特征的形成与其干旱气候密不可分,但半世纪以来人类引水灌溉、农渠排水和地下水开采是导致潜水水化学演化的主要驱动力。
英文摘要	Study on the evolution characteristics of groundwater hydrochemistry has great significance for groundwater resources development,especially in the arid areas with fragile ecosystems and disturbed severely by human activities.In this paper,292groups of phreatic water chemistry data from different time were collected in the northern irrigation district of Kaidu River in Yanqi Basin.The spatial and temporal characteristics of hydrochemical evolution of the phreatic water were analyzed to explore the driving force of hydrochemical evolution.The results indicated that the geochemical characteristics of the phreatic water in the study area are vary in both temporal and spatial scale.The phreatic water in the study area has been desalting gradually with time.The distribution area of groundwater with the type of HCO_3 and HCO_3-SO_4 and with low TDS has been increasing.The concentrations of chemical compositions of the phreatic water is gradually increasing at different degree from upstream to downstream of Kaidu River.The spatial and temporal hydrochemical evolution of the phreatic water in study area is closely related to arid climate. However,irrigation,drainage and groundwater resources exploitation are the main driving forces caused hydrochemical evolution of phreatic water.
中文关键词	地下水 ; 灌区 ; 时空演化 ; 焉耆盆地
英文关键词	groundwater irrigation district spatial-temporal evolution Yanqi Basin
类型	Article
语种	中文
国家	中国
收录类别	CSCD
WOS类目	Mineralogy
WOS研究方向	Mineralogy
CSCD记录号	CSCD:5005496
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/229396
作者单位	彭李晖, (武汉)中国地质大学环境学院, 武汉, 湖北 430074, 中国.; 刘延锋, (武汉)中国地质大学环境学院, 武汉, 湖北 430074, 中国.; 杨霄翼, (武汉)中国地质大学环境学院, 武汉, 湖北 430074, 中国.
推荐引用方式 GB/T 7714	彭李晖,刘延锋,杨霄翼. 焉耆盆地开都河北岸潜水水化学演化规律[J],2013,32(6):123-129.
APA	彭李晖,刘延锋,&杨霄翼.(2013).焉耆盆地开都河北岸潜水水化学演化规律.地质科技情报,32(6),123-129.
MLA	彭李晖,et al."焉耆盆地开都河北岸潜水水化学演化规律".地质科技情报 32.6(2013):123-129.