The word "geography" first appeared in China's Book of Changes. Ancient geography mainly explored measurement methods related to the shape and size of the earth, or described known regions and countries.
Geography is a subject that studies all kinds of natural and human phenomena in the geographical environment of the earth's surface and their relationships. Geography is a comprehensive basic subject.
physical geography
Physical geography is a discipline that studies the composition, structure, function, dynamics and spatial differentiation of natural geographical environment, and it is an important branch of geography. Comprehensive branches of science include comprehensive physical geography, regional physical geography, paleogeography and so on.
Sectoral branches of science include geomorphology, climatology, hydrogeology, biogeography, glaciology and so on. Physical geography in a narrow sense only refers to comprehensive physical geography, and departmental physical geography has gradually developed into an independent discipline. Physical geography in a narrow sense only refers to comprehensive physical geography.