This study has built a modified gravity model to quantify the connection strength between villages, and complex networks were used to analyze and deconstruct the resilience characteristics of network structure and simulated resilience change characteristics under different scenarios including climate change, and identified the network core of the villages. The improvement of the resilience levels of rural systems under changing environments is an important sustainable development. The objective of this study is to provide a basis for the construction of rural emergency disaster prevention in flood storage areas and provide a reference for sustainable rural low-carbon development of village system. The results show that (1) from the perspective of spatial patterns of rural networks, there are obvious spatial differences in Mengwa rural network, showing a spindle-shaped spatial structure with dense middle and sparse on both sides. (2) From the perspective of structural resilience characteristics, the network has significant hierarchy and agglomeration, high local transmission and no obvious characteristics of homogeneity or heterogeneity. Amongst them, the core node has a prominent position, strong control ability and significant correlation effect. (3) The results of scenario simulations on rural network resilience show deliberate disturbance can significantly reduce network resilience compared with random disturbance. A large number of high-energy consumption and low-efficiency phenomena occur earlier in the network, leading to the collapse of the network.
Abstract. Urban rainstorms and floods often occur, causing serious loss of life and property, and bringing great challenges to the safe operation of subways. In response to the need for prevention and control of urban subway floods and waterlogging, this project is based on geographic information technology, on the basis of "one map" of the subway, using intelligent sensing camera equipment, independent research and development of monitoring water level identification algorithms, and research and development of subway flood control and waterlogging prevention intelligent monitoring system It realizes the integrated management of sensing-transmission-analysis-knowledge-use monitoring of flood control and waterlogging prevention in subway stations. By integrating basic geographic information, monitoring points, real-time water level data and other information, the visualization of "one map" of flood control and waterlogging prevention is realized. The exhibition has greatly improved the management level of flood control and waterlogging prevention. The practical results and experience of this project can provide reference for related research in the same industry.
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