摘要
通过核实从数据采集到标准时点阶段发生变化的内容,补充新增内容,消除普查前阶段由于资料时效性和外业局限性等导致的现势性不统一现象,对变化的地理国情信息进行核准,使地理国情普查数据成果在时间上达到统一,是开展地理国情监测的基础。
Through verification from data acquisition to standard point phase change of content, adding new content, eliminate before the census phase due to the updating data aging and limitations caused by disunity, the change information of the geographical condi- tions for approval, the geographic conditions census data in time to achieve unity, is the foundation to carry out monitoring of geo- graphical conditions.
出处
《测绘与空间地理信息》
2016年第2期173-174,179,共3页
Geomatics & Spatial Information Technology
关键词
时点核准
变化区域的发现与提取
外业调查与核查
元数据生产
time approval
discovery and extraction of change region
foreign trade investigation and verification
metadata production
