On Geographical Science
MA Ai-nai(Institute of Remote Sensing and Geographic Information System, Peking University, Beijing 100871,China)
Geographical Science is a succeeding and advanced science coming from geography. It is a series science between of nature science and social science. It could be nominated "Bridge Science" between nature and social science. Dr. Qian Xuesen, who is a celebrity scientist in the world, researches science system for whole human recently in the high level. We are unscrambling this system, which is based on "On Geographical Science" thought. According to basic theory, technique science, and engineering technique three levels geographical science is divided into theoretical geographical science, geographical information science, and geographical systemic engineering. This paper discusses whole geographical science based on our long-term research works. Special is supported for changing the named "Geography and Geo-Information Science" in this Journal.