The functional structure evolution of Shandong Peninsula Urban Agglomeration

By using the data of city function of Shandong Peninsula Urban Agglomeration (SDPUA) in 2004, 2009 and 2014, Location quotient, K-means clustering algorithm and ARCGIS10.0 were applied to analyze the functional structure evolution of SDPUA. The results show that the cities functions and their evolution exist obvious regional differences. for example the dominant and strong functions of Jinan are culture, sports and entertainment, public administration and social organization, health, social security and social welfare, wholesale and retail trade, and building industry, the strengthened functions are education, health, social security and social welfare, culture, sports and entertainment, and wholesale and retail trade. The dominant and strong functions of Zibo are electricity, gas and water production and supply, and building industry, the strengthened functions are electricity, gas and water production and supply, building industry, transport, storage and postal industry, research, technical service and geological prospecting. There is obvious spatial correlation in the city function classification. There are a certain similarity city functions in adjacent cities of SDPUA.