Problems and Countermeasures of River Management in the Process of Rapid Urbanization in China

Zhao, Ziyang; Wang, Hongrui; Zhang, Yuanyuan; Deng, Caiyun; Xie, Qiong; Wang, Cheng

doi:10.3390/w12082260

Cited by 12 publications

(3 citation statements)

References 44 publications

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“…First, the shift from traditional energy to cleaner energy causes structural unemployment. Second, urbanization brings negative externalities [39][40][41], such as congestion [42], crime, and pollution, which may offset the benefits of using cleaner energy. Third, while gas development positively affects labor market outcomes [43,44], it also raises environmental concerns [45][46][47][48][49][50].…”

Section: Conclusion and Policy Remarksmentioning

confidence: 99%

Government-led urbanization and natural gas demand in China

Cai

Zhu

2021

Renewable and Sustainable Energy Reviews

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Die Dokumente auf EconStor dürfen zu eigenen wissenschaftlichen Zwecken und zum Privatgebrauch gespeichert und kopiert werden.Sie dürfen die Dokumente nicht für öffentliche oder kommerzielle Zwecke vervielfältigen, öffentlich ausstellen, öffentlich zugänglich machen, vertreiben oder anderweitig nutzen.Sofern die Verfasser die Dokumente unter Open-Content-Lizenzen (insbesondere CC-Lizenzen) zur Verfügung gestellt haben sollten, gelten abweichend von diesen Nutzungsbedingungen die in der dort genannten Lizenz gewährten Nutzungsrechte. Terms of use:Documents in EconStor may be saved and copied for your personal and scholarly purposes.You are not to copy documents for public or commercial purposes, to exhibit the documents publicly, to make them publicly available on the internet, or to distribute or otherwise use the documents in public.If the documents have been made available under an Open Content Licence (especially Creative Commons Licences), you may exercise further usage rights as specified in the indicated licence.

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Section: Conclusion and Policy Remarksmentioning

confidence: 99%

Government-led urbanization and natural gas demand in China

Cai

Zhu

2021

Renewable and Sustainable Energy Reviews

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“…From 1949-2020, China's urbanization rate has increased from 10.6% to more than 60% [1,2]. Urbanization, by definition, is the course of progressive change from a customary provincial society that is overwhelmed by agribusiness to an advanced metropolitan culture dominated by nonhorticultural enterprises, which is characterized by metropolitan land development [3]. It poses both opportunities and challenges for the long-term development between human requirements and the global environment [4,5].…”

Section: Introductionmentioning

confidence: 99%

Analysis of Temporal and Spatial Characteristics of Urban Expansion in Xiaonan District from 1990 to 2020 Using Time Series Landsat Imagery

Liu

Dong

2021

Remote Sensing

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With the rapid development in the global economy and technology, urbanization has accelerated. It is important to characterize the urban expansion and determine its driving force. In this study, we used the Xiaonan District in Hubei Province, China, as an example to map and quantify the spatiotemporal dynamics of urban expansion from the two perspectives of built-up area and urban land in 1990–2020 by using remote sensing images. The location of rivers was found to be a primary limiting factor for spatial patterns and expansion of the built-up area. The transfer of the city center and the main direction of expansion generally corresponded well to the topography, policies, and development strategies. The built-up area expanded faster than the urban population in 1995–2020, which caused a waste in land resources. The results showed that the urban expansion first decreased and then increased during the research period. The increase in the proportion of the secondary industry was the main driving force of the urban expansion. Based on the characteristics of urban expansion in the past three decades, we conclude that the urban land of Xiaonan District will expand quickly in the future and will occupy vast agricultural land. The government must deploy control measures to balance the benefits and costs of urban expansion.

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“…With the rapid development of industrialization and urbanization, the discharge of industrial and domestic sewage has led to an increase in the load of nutrients, metals, and pesticides in urban surface runoff. These changes affect river ecosystems and pose threats and challenges to the sustainable use of rivers [9].…”

Section: Introductionmentioning

confidence: 99%

Application of Polyaluminium Chloride Coagulant in Urban River Water Treatment Influenced the Microbial Community in River Sediment

Liu

Zhuang²,

Wang

2021

Water

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Polyaluminium chloride (PAC) has been widely used as a chemical coagulant in water treatment. However, little is known about the impact of PAC performance on the microbial community in sediments. In this study, the archaeal, bacterial, and fungal communities in urban river sediments with and without PAC treatment were investigated. Prokaryotic diversity decreased at the PAC addition site (A2) and increased along with the river flow (from A3 to A4), while eukaryotic diversity was the opposite. The abundance of core microbiota showed a similar trend. For example, the dominant Proteobacteria presented the highest relative abundance in A1 (26.8%) and the lowest in A2 (15.3%), followed by A3 (17.5%) and A4 (23.0%). In contrast, Rozellomycota was more dominant in A2 (56.6%) and A3 (58.1%) than in A1 (6.2%) and A4 (16.3%). Salinity, total dissolved solids, and metal contents were identified as the key physicochemical factors affecting the assembly of core microorganisms. The predicted functions of archaea and fungi were mainly divided into methane cycling and saprotrophic nutrition, respectively, while bacterial function was more diversified. The above findings are helpful to enhance our understanding of microorganism response to PAC and have significance for water treatment within the framework of microecology.

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Problems and Countermeasures of River Management in the Process of Rapid Urbanization in China

Cited by 12 publications

References 44 publications

Government-led urbanization and natural gas demand in China

Government-led urbanization and natural gas demand in China

Analysis of Temporal and Spatial Characteristics of Urban Expansion in Xiaonan District from 1990 to 2020 Using Time Series Landsat Imagery

Application of Polyaluminium Chloride Coagulant in Urban River Water Treatment Influenced the Microbial Community in River Sediment

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