摘要
本文介绍了盐城市区三、四等水准复测的技术方法和技术流程,通过对2006年施测的三、四等水准网观测成果与2012年复测的成果进行对比统计分析,计算盐城市区的年地面沉降量,绘制地面沉降等值线,初步预测了盐城市区沉降变化趋势,为该地区经济建设规划,合理利用地下水资源提供了技术依据。
This paper introduces the technical method and technology process of Yancheng urban three or four leveling,statistical analysis comparing the results of the 2006 survey by the three or four level network of observation results and the2012 survey,the calculation of the urban area of Yancheng ground settlement,ground settlement isoline drawing,preliminary forecast of Yancheng urban settlement trend.As the economic construction in the region,it provide technical basis for rational use of groundwater resources.
出处
《现代测绘》
2015年第1期38-40,共3页
Modern Surveying and Mapping
关键词
水准测量
复测
成果分析
沉降预测
leveling
repetition measurement
result analysis
settlement prediction
