At the beginning of the 21st century, with the rapid advancement of industrialization and urbanization, production factors such as population, capital, and land between urban and rural areas in China have gradually shifted to non-agricultural fields, the structure and function of rural territorial systems have been reconstructed and transformed therewith. In response to the relatively declining villages, the Chinese government proposed rural revitalization strategy. Taking the human–land relationship as the theoretical basis and functional changes of rural region as the main line, the study analyzes the characteristics of rural reconstruction, interprets the rural transformation mechanism and deconstructs paths of rural revitalization by using the rural reconstruction index, the model of rural transformation measurement and rural spatial transformation effect. The case study shows that: (1) Rural reconstruction in Jianghan Plain is characterized by temporal continuity and spatial imbalance. The periodical changes presents from social-reconstruction-dominated, economic-reconstruction-dominated to spatial reconstruction -dominated. The distribution of high values varied from the U-type to O-type along the main transportation routes, while that of low values alternated between points (hinterlands of the Plain) and lines from spatial viewpoint. (2) The driving mechanism of rural transformation was the coupling effect of the exogenous drivers and endogenous responses. The standardized regression coefficient between the drivers and the changes to rural regional functions is 0.766. The endogenous response is mainly manifested as the negative effect of the rural spatial reconstruction on the territorial agriculture-oriented function. (3) The key path of rural revitalization facilitated the optimization of regional functions through reorganization of the rural elements in Jianghan Plain. It is the strategic choice of rural areas to implement regional function zoning and realize the balance of spatial function. The research results can provide inspiration for theoretical research on rural geography, and provide policy and method support for rural revitalization in case areas.
Mobility is a popular topic in the fields of humanities and social sciences. China’s rapid urbanization has resulted in the acceleration of urban–rural mobility. Moreover, the implementation of the New Urbanization and Rural Revitalization Strategy has demonstrated the prospects of urban–rural integration and development. However, research on rural mobility is mainly focused in the fields of economics and sociology, with insufficient attention paid to spatial mobility. The main purpose of this study is to introduce a new theoretical explanation of the four dimensions of rural mobility based on a complete understanding of the current socio-economic background, namely, network mobility, green mobility, people-oriented mobility, and smart mobility. On this basis, a rural mobility evaluation index system is proposed by attempting to build a synthetic rural mobility index from the four aforementioned dimensions. Qingyang, a typical city in Western China located in the Loess Hilly Region, is taken as an example. Accordingly, the comprehensive rural and four-dimensional mobilities are analyzed and evaluated, and the effectiveness of the index system is verified. Results show that Qingyang’s rural mobility is at a low level, but differences in the types of rural residents, districts and counties, and dimensions of mobility are observed. At the end of this paper, the inclusion of mobility promotion in the policy system of rural revitalization is emphasized.
The main functions of this research are to guide the proportion of urban land that is used and the layout of the facilities on it, help understand the changes to surface runoff that are caused by land being used in urban development, and thus solve surface runoff pollution. Hangzhou City, China has been selected for the experiment, and the way in which its land is utilized as well as the grading of urban construction projects in the demonstration area are specifically analyzed. This study systematically distinguishes the definitions of impervious area based on the Sutherland equation and analyzes the impact of different impervious area subtypes on surface runoff water quality. Then, we compare the impact of impervious area subtypes with the impact of other land-use patterns on surface runoff water quality. This study shows the relationship between different land-use types and runoff water bodies: Land-use index can affect runoff water quality; Greening activities, impervious surface, and the water quality index are negatively correlated; the effective impervious area rate is positively correlated with the water quality index. The paper suggests that increasing the proportion of green spaces and permeable roads in build-up land reduces the effective impervious area (EIA) and thus controls land runoff pollution and improves runoff water quality.
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