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- This paper computed the weight of influence factors by gray pertinence method and BP network, and assessed shallow groundwater resource vulnerability in the Hufu Plain in 1984 and 2000 by the integrated method. 摘要采用灰色关联度法和BP神经网络法计算各指标权重,然后用综合指数法分别对滹滏平原1984年和2000年地下水资源脆弱性进行了评价。
- Evaluation and utilization study of shallow groundwater resources on the north of Huai river of Anhui 安徽淮北地区浅层地下水资源评价与利用研究
- shallow groundwater resources 浅层地下水资源
- Therefore, the use of atrazine is of serious threats to shallow groundwater and surface water resources. 实验地区阿特拉津的降解参数服从正态分布;
- Xingtai City, the eastern plains there are more rich in groundwater resources. 邢台市东部平原蕴藏着较为丰富的地下水资源。
- The article take Sanjiang Plain district as an example and discusses the division of shallow groundwater system. 本文以三江平原地区为例,对浅层地下水系统的划分进行了探讨。
- From top to bottom into the shallow groundwater level, salt water, fresh water deep three. 地下水从上到下分为浅水层、咸水、深层淡水三种。
- A case study from Yinchuan basin shows a good result and the mean age of shallow groundwater in Yinchan basin is about 30 years. 该方法应用到银川平原取得良好的效果,研究表明银川平原浅层地下水的周转时间为30a。
- The shallow groundwater, with the strong renewal ability and easy to be exploited and supplied, should be exploited in priority and utilized fully as water supply source. 浅层地下水易采易补,更新能力强,优先开采浅层地下水,充分发挥浅层地下水资源的供水功能;
- The result of this field experiment demonstrate that the shallow groundwater table and average infiltration rate are in proportion to the ponding depth. 现地试验结果显示,平均入渗率及浅层地下水位的抬升与灌水深有正比之关系。
- The paper deals with the study of monocyclic aromatic hydrocarbon (MAH) in shallow groundwater in three cities (C, W and S) in an area of the Yangtze River delta. 本文针对长江三角洲某地区3个城市(C市、W市、S市)浅层地下水的单环芳烃进行了研究。
- Through analyzing the surveying data of shallow groundwater quality of Datong Basin,we can known that these integrating factors have reflected ground water quality. 通过对盆地浅层地下水水质实测资料的分析,了解了这些因素综合影响着地下水水质。
- Multiple approaches to evaluation of groundwater resources are used in order to obtain satisfactory results. 地下水资源评价需要采用多种方法,相互校核,以提高其成果的信度。
- To take the Dabaodang area of Yulin-Shenmu mining area in northern Shaanxi as an example,discussed shallow groundwater characteristics in ecologically weak desert bottomland. 以陕北榆神矿区大保当区为例,论述了生态脆弱的沙漠滩地浅层地下水的特征。
- The earthquake shaking the surface subsidence, the shallow groundwater will be squeezed along the cracks rose to the surface, take a sandblasting water phenomenon. 地震的晃动使表土下沉,浅层的地下水受挤压会沿地裂缝上升至地表,形成喷沙冒水现象。
- A.Das Gupta &Puspa,sustainable groundwater resources development,Hydrological sciences,42(4)August 1997. 冯尚友,刘国全,水资源持续利用的框架,水科学进展,1997,8(4).
- However,coal development will affect surface ecology and the environment,and groundwater resources will be disturbed. 而煤炭开发必将影响地表生态和环境,也将扰动地下水资源。
- Chen Mengxiong,Cai Zuhuang,Risks for Development of Groundwater Resources in Urban Areas of China,IAHS Publicaiton of the Academy of Finland,FGR,1994. 陈梦熊,水文地质学及其分支学科的发展(中国地质科学发展的回顾),中国地质大学出版社,1995。
- The precipitation, surface water resources, groundwater resources, and total volume of water resources were evaluated for Luoyang City. 对洛阳市的降水量、地表水资源量、地下水资源量及水资源总量进行评价。
- Through the research, it demonstrates that spatial distribution of natural chemical field of shallow groundwater in the area is largely controlled by geology, terrain and hydro-geological conditions and has clear rule. 通过关中盆地浅层地下水水化学场的时空演化研究表明:区内浅层地下水天然水化学场空间分布主要受地质、地貌和水文地质条件的制约,且具有明显空间分布规律。