焉耆盆地绿洲区近50年地下水文时空变异及水盐演变 Spatio-Temporal Variation of Subsurface Hydrology and

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焉耆盆地绿洲区近50年地下水文时空变异及水盐演变

Spatio-Temporal Variation of Subsurface Hydrology and Groundwater and Salt Evolution of the Oasis Area of Yanqi Basin in 50 Years Recently

以地统计学理论和焉耆盆地绿洲区浅层地下水矿化度不同时期(1960年和2005年)的实测数据为基础,对取得的实测数据进行了半方差函数分析,结果表明:焉耆盆地绿洲区地下水矿化度和埋深在时间和空间上都存在明显的时空变异性.在空间尺度上,地下水矿化度在开都河中下游地区及其两岸灌区有增大的趋势;在时间尺度上,地下水随时间推移向盐化加重方向发展.近50年水盐动态表明焉耆盆地一直处于积盐过程,而绿洲区则处于脱盐过程,盐分都积累在博斯腾湖区,在1982年后转移至孔雀河流域.焉耆盆地地下水盐化态势表明,近年来地下水各项离子质量浓度都在积聚.绿洲区水土资源开发不仅改变了水盐分布,而且也深刻影响了地下水水体.

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作 者: 王水献 董新光 刘延峰 WANG Shui-xian DONG Xin-guang LIU Yan-feng  
作者单位:王水献,WANG Shui-xian(兰州大学资源环境学院,兰州,730000)水利论文(o,sl0M)V8Q}b
董新光,DONG Xin-guang(新疆农业大学,新疆乌鲁木齐,830052)
\4H9u.`&S1G \0刘延峰,LIU Yan-feng(中国地质大学环境学院,武汉,430074) 
刊 名:地质科技情报  ISTIC PKU
英文刊名:GEOLOGICAL SCIENCE AND TECHNOLOGY INFORMATION 
年,卷(期):2009 28(5) 
分类号:P641.74 
关键词:地统计学   水盐演变   时空变异   焉耆盆地  
机标关键词:焉耆盆地绿洲区下水文时空变异性演变Area地下水矿化度实测数据水土资源开发时间推移中下游地区统计学理论孔雀河流域地下水盐化质量浓度盐分脱盐过程时间尺度空间尺度函数分析 
基金项目:国家重点基础研究发展规划(973计划),水利部科技创新项目 
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