| 基于现代软件工具计算水位变动带给水度的方法探讨 |
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| 引用本文： | 钱永,张兆吉,费宇红,陈艳丽,李亚松.基于现代软件工具计算水位变动带给水度的方法探讨[J].水文,2007,27(3):35-38. |
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| 作者姓名： | 钱永 张兆吉 费宇红 陈艳丽 李亚松 |
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| 作者单位： | 1. 中国地质科学院水文地质环境地质研究所,河北,石家庄,050061
2. 中国地质大学(北京),北京,100083 |
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| 基金项目： | 国土资源部国土资源大调查项目 |
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| 摘 要： | 水位变动带综合给水度在水资源评价中是一个十分重要的参数。对于大区域含水层组来讲,手工计算是相当困难的。水文地质数据库和现代软件工具为我们解决这一问题提供了方便。本文探讨了应用MapGIS软件和VB语言编程从地下水数据库中提取钻孔的水文地质试验数据、岩性、厚度、地下水位等资料,综合分析和计算水位变动带综合给水度的方法;并将该方法应用于“华北平原地下水资源可持续利用调查评价”项目的水资源计算。在该项目中,针对地下水超采引起的巨厚水位变动带,以地下水数据库为基础,用MapGIS的空间分析功能和VB语言编程来处理和分析提取的数据资料,从而求得水位变动带综合给水度和区域综合给水度,并编制了“华北平原地下水位变动带给水度分布图”。
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| 关 键 词： | 给水度 数据库 水文地质单元 水位变动带 |
| 文章编号： | 1000-0852（2007）03-0035-04 |
| 修稿时间： | 2006-12-18 |
Method of Calculating Specific Yield of Water Stage Fluctuation Belt with Computer Softwares |
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| QIAN Yong,ZHANG Zhao-ji,FEI Yu-hong,CHEN Yan-li,LI Ya-song.Method of Calculating Specific Yield of Water Stage Fluctuation Belt with Computer Softwares[J].Hydrology,2007,27(3):35-38. |
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| Authors: | QIAN Yong ZHANG Zhao-ji FEI Yu-hong CHEN Yan-li LI Ya-song |
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| Institution: | 1. Institute of Hydrogeology and Environmental Geology, CA GS, Shijiazhuang 050061, China; 2. China University of Geosciences, Beijing 100083, China |
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| Abstract: | General specific yield is a very important parameter in water resources assessment.However,it is too difficult to calculate it in handwork in calculation of large district where water stage has descended extensively.It is convenient to use hydrogeologic database and modern software tools in solving this problem.This paper introduced a method of calculating the general specific yield of water stage fluctuation belt by using MapGIS and VB to extract hydrogeologic test data,lithology,thickness and water table from the hydrogeologic database,which has been applied for the project of investigation and assessment of the groundwater resources for sustainable utilization in the North China Plain.In this project,in accordance with the great thickness of the water stage fluctuation belt resulted from groundwater overdrafting,based on the hydrogeologic database,the general specific yield of the fluctuation belt were obtained and the distributed graph of general specific yield in the North China Plain was made with MapGIS and VB program. |
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| Keywords: | MapGIS |
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