地理国情普查中地表覆盖分类数据采集相关问题研究──以重庆市垫江县为例

摘要

Land cover classification data is an important part of national geographical conditions survey. In this paper, the author took Dianjiang county in Chongqing as an example, combined with characteristics of project area, basic data situation, land cover classification data, basic principles of data collection, image interpretation and so on, analyzed and summarized related issues in the process of data collection, worked out the problems that should be noticed during land cover classification interpretation, and highlighted procedure and related issues that need attention during field survey and the process of detailed data acquisition and sample setup. The result can better guarantee achievement quality and offer help to national geographical conditions survey.%地表覆盖分类数据是地理国情普查数据的重要组成部分，笔者以重庆市垫江县为例，结合项目区特点及基础资料情况、地表覆盖分类数据的内容、采集基本原则、影像判读等，对数据采集过程中的相关问题进行了详细的分析和总结，解决了在地表覆盖内业分类解译中应该注意的问题，以及在外业调查及样本建立过程中应该遵循的程序和注意的事项，以更好地保证成果质量，为地理国情普查工作提供一些帮助。