In this study, the relation of urbanization in China urban areas has been investigated with energy consumption, social economics, infrastructure, transportation and environment. The results showed that the impact of those factors on the urbanization become significant. The deep investigation is needed in clearing the effect of the local development on the urbanization. In this paper, the energy consumption, social economics, infrastructure, transportation/communication and environment have been used as a index to evaluate the importance of the urbanization in China Province with the urbanization area and population. By using the statistical method, the classification of urbanization has been made. As the result, the provinces in China could be divided into the IV classification. Also, the energy index, the infrastructure index, the social economy index increased as to make a city progressed but it found that the environment index fell oppositely from the factor analysis.
With the growth of the world population, cities expand and encroach on forests and plants, causing many environmental problems. Digital Twin, as the rapidly developing technique in recent years, provides the opportunity to implement the specific situation of forests and plants at present or in the future, which has great performance on predictive analysis and optimization. From the consideration of plants and forests, this study provides a comprehensive case study to research the relationship between urban development boundary and natural environment in a natural preserve in a coastal city. Multispectral data of the study area is collected by Unmanned Aerial Vehicle (UAV), combining satellite remote sensing (RS) historical data and geographic data to establish the digital twin model for plant identification. In conjunction with local Master planning of land use, the results of modeling are used to analyze the influences of urban construction on the natural environment, and the inappropriate aspects of the planning are discovered and summarized. In addition, 6 suggestions for effective management and planning strategies are presented. As plants and forests are effective factors of natural conditions, this study offered an objective assessment for the sustainability and rationality of urban planning with some guidance and bases.
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