CHEN Jun. Recent Progress and Future Directions of National Spatial Data Infrastruct ure in China[J]. Journal of Remote Sensing, 1999, (2). DOI: 10.11834/jrs.19990203.
The National Spatial Data Infrastructure (NSDI) is the basis of digital earth. It is therefore very essential to develop NSDI in order to implement the vision of a Digital earth. This paper reviews the recent progr ess and future activities of NSDI in China
including the national geodetic fram ework
multi scale geo spatial databases
national efforts on geo spatial dat a standardization
establishment of national geo spatial clearinghouse network