基于"3S"技术的通河县土地利用变更调查方法研究

"3S"技术具有快速、准时地采集、存储管理、更新、分析、应用数据的能力,可在较短时间内利用较少的人力、财力掌握资源的基本情况."3S"技术的集成系统构成了动态的对地观测体系,特别是高分辨率遥感技术和GIS的快速发展,为土地利用更新调查提供了坚实的技术支撑.为保持县级土地利用数据的现实性,本文以通河县为例,研究了在"3S"技术支持下的土地利用更新调查方法.

The Renew Investigation of Land Using Information at Tonghe County Based on "3S" Technology

The technique of "3S" has the ability of gather,memory management,renew,analysis and application data punctually and fast,could grasp the basic situation of the resources with less manpower and the financial resource in a shorter time.The technique integration of "3S" constituted the development system to field observation system,especially quick developed of the high resolution remote sensing technique and GIS provided the solid technology for land utilization renewing investigation.In order to maintain the county level land utilization data in the current situation,taking Tonghe as example,the method of the updating investigation of land use information based on "3S" technique was studied.