3S技术在第二次全国土地调查中的应用

第二次全国土地调查工程工作量庞大,数据复杂,计划工期短,成果质量要求高。如果用第一次全国土地调查时采用的常规方法开展工作,不仅工作效率低下、工期得不到保障,而且数据的准确性无法保证,也不能建立连通的"国家-省-市-县"四级土地调查数据库和管理系统。充分运用3S技术进行作业,可大大提高工作效率,降低生产成本,为土地管理部门快速提供准确、详实、现势性强的土地利用数据资料,满足经济社会发展及国土资源管理的需要。本文按第二次全国土地调查工作流程中的主要工序,介绍3S技术在第二次全国土地调查工作中的具体应用,并对其后续应用进行展望。

3S Technology Application in the Second National Land Survey

The Second National Land Survey project is of huge workload,complex data,and short planned duration and high quality requirements.If you use the conventional methods for the first national land survey,that will be inefficient,and the duration and accuracy of the data can not be guaranteed,so we can not establish the connected "Nation-Province-City-County" four level land survey database and management system.Making full use of 3S technology operations can greatly improve efficiency and reduce production costs for the land management sector to quickly provide accurate,detailed and strong land-use data to meet the needs of economic and social development,and land and resource management.The paper introduces the specific application of 3S technology in the second national land survey work,and their subsequent application outlook based on the main processes in the second national land survey.