遥感与地球的全球性观测

Remote Sensing and Global Change Observations

本文共分三部分。第一部分简述了地球的全球性观测的目的，然后，从最早的气象卫星说起，再讲到美国的陆地卫星和世界各国发射的有关卫星，接着叙述了有关全球性观测的若干国际活动和美国计划中的地球观测系统（ＥＯＳ）。第二部分介绍了遥感技术与全球性观测发展中的一些曲折过程。第三部分论述了中国在全球性观测方面所做的贡献及前景。

This article consists of three parts.In the first part,the aim of theglobal change observations is narated in brief and the development is then depicted,beginning from the earliest meteorological satellite and then the Landsat and someother relevant satellites from different countries.Emphasis is placed on the use ofmicro wave sensors.Finaly some international activities for global change observa-tions are depicted and the Earth Observation System(EOS)project in America isintroduced.In the second part,some happenings and policy changes due to thehuge financial budget for satellite launching in America are narated.In the thirdpart,the contributions and the tasks ahead in China for the research works of globalchange are discussed.