21世纪的新学科——地球信息科学

介绍遥感、地理信息系统、全球定位系统和计算机通信网络技术的发展现状和目前理论发展赶不上技术发展的需求从而制约了技术发展的状态。从发展的观点提供了地球信息科学形成的背景。同时介绍地理信息科学的性质、研究内容、已有基础和应用前景。这一２１世纪的新学科将对包括水利在内的很多领域产生广泛和深刻的影响。关注这一学科的发展并与之尽早的并轨将给各领域及相关学科自身的发展和国民经济的发展带来重大机遇和影响。

New Subject of 21th Century Geo Informatics

This paper introduces the present state of the development of remote sensing,global positioning system and computer communication network and the lag of the development of theory,which constrains the development of technology.It also introduces the character,research content,available basis and application prospects of geo informatics.This new subject will have wide and significant effect on many fields including water resources in the 21th century.Following with interset the development of this new subject and making full use of it will bring significant opportunity and benefit to the development of various fields and related subjects as well as the national economy.