PROGRESS IN GEOGRAPHY ›› 1999, Vol. 18 ›› Issue (2): 147-152.doi: 10.11820/dlkxjz.1999.02.007

• Original Articles • Previous Articles     Next Articles

Implementation of digital earth’s spatio-temporal dimensions

WANG Xiao dong, CUI Wei hong   

  1. Regional Planning and Decision Supporting Department, Institute of Remote Sensing Application, CAS, Beijing 100101, China
  • Received:1999-01-01 Revised:1999-05-01 Online:1999-04-24 Published:1999-04-24

Abstract: The Digital Earth(DE) is based on Geographical Information Science (GISci), which is formed by the promotion of research into Global Change (GC) and Sustainable Development (SD) strategy. On the other hand, DE will accelerate the development of GISci. DE will deeply affect human society’s pattern of politics, economic, science and technology. It is difficult to give a clear definition of DE at present. But the core of DE should be recognized as a distributed, multi scale and 4 5 dimension GIS. TGIS is a key technology for implementing DE. At the moment, TGIS model can be researched according to two thoughts of comprehensive and decomposed model. Finally, TDBDML, a TGIS prototype based on decomposed thought, is described in detail.

Key words: geographical information science (GISci), temporal GIS (TGIS), the digital earth (DE)

CLC Number: 

  • P208