浅析长春市第一次地理国情普查外业核查工作及难点处理

有别于传统测绘,地理国情普查的主要成果来自于遥感影像解译,以及行业参考资料的整合,成果的准确性需要外业的检验,外业核查工作尤为重要。长春市作为地处平原向丘陵、山地过渡带上的中心城市,无论是复杂的中心城区,还是台地、丘陵的退耕还林地区都成为外业核查工作必须解决的难点。本文阐述了长春市外业核查工作在工作内容与工作环节两方面遇到的问题及处理方法,以期为行业外业核查工作提供参考。

Analysis of Field Verification and Solution of Difficulties of First Geographci al Condition Census Project in Changchun

Different from the traditional surveying and mapping , the main results of geographical condition census project are interpre-ted from remote sensing images and integrated of industry information .Its accuracy should be validated by field verification which plays an important part in the project .Changchun is a central city located in the transition zone of plain and mountain .Both the complex central city regions and the returning farmland to forest areas of tablelands and hills become difficulties of field verification .This paper describes the problems and solutions in content and process of field verification of first geographical condition census project in Chang -chun, which can provide certain reference for other field verification projects .