Analysis on the Characteristics of Central Urban Area's Spatial Morphology and Its Cause of Formation in Big Cities

摘要

Many scholars have come to the conclusion that the spatial form of the center city tend to be a circle in their research. We select more than 20 major cities of China, based on the map information and related data, and finally we verify that the spatial form of central urban area generally tends to be a circle, the decisive factor of which is the main oriented demand of all kinds of urban consumers, especially public services that keep business as its core attracting the urban subject to its close, thus forming a circular shape. Although there are traffic congestion and other issues of round cities, it is the form that can best conform to consumers' demands and has the highest operation efficiency.