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Yaping Chen and Jun Zhang
Urban built-up areas are not only the spatial carriers of urban activities but also the direct embodiment of urban expansion. Therefore, it is of great practical significance to accurately extract urban built-up areas to judge the process of urbanization...
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Yue Chen, Haizhong Qian, Xiao Wang, Di Wang and Lijian Han
As cities continue to grow, the functions of urban areas change and problems arise from previously constructed urban planning schemes. Hence, the actual distribution of urban functional areas needs to be confirmed. POI data, as a representation of urban ...
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Jingyi Wang, Caihong Hu, Bingyan Ma and Xiaoling Mu
Changes in the hydrological process caused by urbanization lead to frequent flooding in cities. For fast-growing urban areas, the impact of urbanization on the hydrological process needs to be systematically analyzed. This study takes Zhengzhou as an exa...
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Yang Li, Yinghui Meng, Liwen Qin, Minghui Shen, Tongtong Qin, Xudong Chen, Beibei Chai, Yue Liu, Yanyan Dou and Xuejun Duan
As an emerging contaminant, the presence of microplastics is widespread in the environment. However, current research regarding the removal of microplastics by drinking water treatment plants (DWTPs) remains insufficient. This study aims to investigate m...
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Siyi Li, Guowang Jin and Jiahao Li
Flooding is one of the most frequently occurring meteorological disasters nowadays, and its occurrence can cause significant socio-economic losses. Aiming at the problem that traditional optical remote sensing makes it difficult to monitor floods, this p...
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Cuimei Lv, Zhaoying Niu, Minhua Ling, Zening Wu, Yang Li and Denghua Yan
Due to the insufficient number and uneven distribution of urban rainfall stations, research on urban flooding disasters is limited. With the development of big data research, many scholars have applied big data to natural disaster research. In this paper...
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Hongxiang Wang, Lintong Huang, Jianwen Hu, Huan Yang and Wenxian Guo
Hydrological problems, such as flood disasters, can be caused by the influence of urbanization on river network structures in plain areas. Taking the main urban region of Zhengzhou city as the research area, based on six remote sensing images from 1992 t...
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Yakai Lei, Yanbo Duan, Dan He, Xiwen Zhang, Lanqi Chen, Yonghua Li, Yu Gary Gao, Guohang Tian and Jingbiao Zheng
This case study was conducted to quantify the effects of urban greenspace patterns on particle matter (PM) concentration in Zhengzhou, China by using redundancy and variation partitioning analysis. Nine air-quality monitoring stations (AQMS) were selecte...
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Qindong Fan, Xuejian Mei, Chenming Zhang and Xiaoyu Yang
Urban spatial form is a significant reference to getting to know cities and running the cities. The fractal theory is an effective means to quantify urban spatial form. Taking the buildings in the outer ring of Zhengzhou City as the research object, the ...
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Zhenkai Yang, Yixin Hua, Yibing Cao, Xinke Zhao and Minjie Chen
As a new product of the Internet and big data era, migration data are of great significance for the revealing of the complex dynamic network patterns of urban agglomerations and for studying the relations between cities by using the ?space of flows? mode...
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Linpei Zhai and Jae Eun Lee
This study aimed to explore how community disaster resilience can be enhanced via the utilization of ICT resources. Three social media applications were selected. Taking the 2021 Zhengzhou 7.20 rainstorm as an example, questionnaire responses were collec...
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Yirui Jiang, Hongwei Li, Binbin Feng, Zekang Wu, Shan Zhao and Zhaohui Wang
A series of urban law enforcement events involving city inspectors dispatched by the city management department can reflect some problems in smart city management, such as illegal advertising and unlicensed street operation. In this paper, we propose a m...
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Delei Yang, Jiawen Li, Jiudong Peng, Jun Zhu and Lan Luo
Social responsibility plays an important role in the sustainable development of major municipal road infrastructure. In this study, a major municipal road infrastructure social responsibility (MMRISR) evaluation indicator system is developed for the comp...
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Wenping Xu, Wenzhuo Li, David Proverbs and Wenbo Chen
Humanitarian supply chains play a major role in enabling disaster-affected areas to recover in a timely manner and enable economic and social activities to be restored. However, the sudden onset and increasing frequency of natural disasters such as flash...
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Linpei Zhai and Jae Eun Lee
This study aimed to explore the differences in various aspects of community disaster resilience and how to enhance disaster resilience tailored to different community types. The evaluation results were validated using the flood event that occurred in Zhe...
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Bo Yang, Chengyao Zhang, Na Su and Zhaoran Xiao
In contrast to straight tunnels, the mechanisms of displacement of surrounding soil induced by shield excavation of small radius curved tunnels are more complex. Based on field monitoring data of surface settlement and horizontal displacement of a small ...
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Zhiling Zhao, Lu Wang, Wenhang Shi, Cong Li and Guozijian Wei
The corrosion of metal pipes within water distribution systems posed great threats towards the quality and safety of drinking water. In this study, the quantity and distribution of suspended particles alongside the pipes was investigated based on field e...
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Kwo-Hsiung Young
Continuing from a special issue in Batteries in 2016, nineteen new papers focusing on recent research activities in the field of nickel/metal hydride (Ni/MH) batteries have been selected for the 2017 Special Issue of Ni/MH Batteries. These papers summari...
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Linfeng Wang, Shengbo Chen, Lei Chen, Zibo Wang, Bin Liu and Yucheng Xu
Accurately mapping urban built-up areas is critical for monitoring urbanization and development. Previous studies have shown that Night light (NTL) data is effective in characterizing the extent of human activity. But its inherently low spatial resolutio...
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Feng Wu, Xuefang Feng, Xuemei Liu, Di Wu, Songmei Zai and Linbao Liu
Stalk composite pipe (SCP), a novel product used for subsurface irrigation, is primarily composed of crop stalks, soil, and water. In subsurface SCP irrigation (SSI), comprehending the effects of burial furrow parameters on soil water movement is critica...
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