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2022 ◽  
Vol 14 (2) ◽  
pp. 256
Author(s):  
Yue Wang ◽  
Jianjun Cao ◽  
Yongjuan Liu ◽  
Ying Zhu ◽  
Xuan Fang ◽  
...  

The South-to-North Water Transfer Jiangsu Water Supply Area (JWSA) is a mega inter-basin water transfer area (water source) that provides water resources from JiangHuai, combines drainage and flooding management, and regulates nearby rivers and lakes. Analyzing the spatiotemporal soil moisture dynamics in the area will be informative regarding agricultural drought along with flood disaster assessment and will provide early warning studies. Therefore, we evaluated the quality of European Space Agency Climate Change Initiative Soil Moisture (ESA CCI_SM) data in the South-North Water Transfer JWSA. Furthermore, we utilized ensemble empirical modal decomposition, Mann-Kendall tests, and regression analysis to study the spatiotemporal variation in soil moisture for the past 29 years. The CCI _SM data displayed a high correlation with local soil measurements at nine sites. We next analyzed the CCI_SM data from three pumping stations (the Gaogang, Hongze, and Liushan stations) in the South-North Water Transfer JWSA. These stations had similar periodic characteristics of soil moisture, with significant periodic fluctuations around 3.1 d. The overall soil moisture at the three typical pumping stations demonstrated an increasing trend. We further investigated whether abrupt soil moisture changes existed at each station or not. The spatial distribution of soil moisture in the South-North Water Transfer JWSA was characterized as “dry north and wet south”, with higher soil moisture in winter, followed by autumn, and low soil moisture in spring and summer. Although the linear trend of soil moisture in the South-North Water Transfer JWSA varied in significance, the overall soil moisture in the JWSA has increased over the past 29 years. The areas with significantly enhanced soil moisture are mostly distributed in the Yangzhou and Huai’an areas in the southeastern part of the study area. The areas with significantly decreased soil moisture are small in size and mostly located in northern Xuzhou.


Author(s):  
Xi-Yan Gao ◽  
Wei Xie ◽  
Zhi-Pei Liu

Harmful algal abnormal proliferation presents the most severe threat to the quality of oligotrophic surface water even in source water such as South-to-North Water Diversion Project in China. A novel...


2021 ◽  
Author(s):  
Jianmei Zhang ◽  
Jiwei Zhu ◽  
Yu Liu ◽  
Nan Lu ◽  
Wenxing Fang

Abstract Payments for water-related ecosystem services (PWES) are increasingly popular in promoting water ecological conservation, and their impacts on development are of considerable interest. This study estimates the economic impact of PWES on protected areas by applying the synthetic control method. Using the Middle Route of the South to North Water Diversion Project in China as a case study, we find that per capita GDP in protected areas increased markedly relative to a synthetic control region, and PWES has a positive economic impact. In addition, we conduct a variety of placebo tests to verify the validity and robustness of the results. We believe that the main factor of the positive economic impact lies in the development of the ecological-economic industrial system. This study provides a baseline for synthetic control analysis of PWES to compare regions of interest and their counterfactuals, and the findings of the case study provide reference to the protected areas for their economic development.


2021 ◽  
Vol 13 (24) ◽  
pp. 13600
Author(s):  
Yan Long ◽  
Youming Li ◽  
Xiaohui Lei ◽  
Yikai Hou ◽  
Shuang Guo ◽  
...  

The implementation of water diversion projects will exert different influences on upstream water offering areas and the downstream water receiving areas. In order to effectively promote the coordinated development of the two regions, a comprehensive evaluation system for the coordinated development of water transfer projects has been proposed with the Middle Route of the South-to-North Water Transfer Project as the research object. The system conducts a multidimensional evaluation of social development, economic development, and ecological environmental impact, and builds a comprehensive evaluation index system with fifteen evaluation indexes at three levels, with the indexes weighted through the comprehensive weighting method based on the combination of the G1 method and the entropy weight method. Based on the degree of coordinated development among various systems, the coordinated development of the Middle Route of the South–North Water Transfer Project is graded through a comprehensive evaluation. This method is tested in the decision support system of the Middle Route Construction and Administration Bureau, China. The results show that: (1) The coupling coordination degree value of the middle route of the South-to-North Water Diversion Project is 0.8912, which shows that the regional development of the water transfer project is high coupled coordination. (2) The coordination between the economic system and the ecological environment system is weaker than the coordination between the economic system and the social service system, and the coordination between the ecological and social services is the best. Finally, based on an advanced SWOT analysis of the future development of the middle route of the South-to-North Water Diversion Project, effective suggestions for regional development are provided. It provides reference or guidance for the competent authority to manage the water diversion project and the central government to comprehensively evaluate the effectiveness of the water diversion project.


Author(s):  
Yue Wang ◽  
Jianjun Cao ◽  
Yongjuan Liu ◽  
Ying Zhu ◽  
xuan Fang ◽  
...  

The South-to-North Water Transfer Jiangsu Water Supply Area (JWSA) is a mega inter-basin water transfer area (water source) that provides water resources from JiangHuai, combines drainage and flooding management, and regulates nearby rivers and lakes. Analyzing the spatiotemporal soil moisture dynamics in the area will inform agricultural drought and flood disaster assessment and early warning studies. Therefore, we evaluated the quality of European Space Agency Climate Change Initiative Soil moisture (ESA CCI_SM) data in the South-North Water Transfer JWSA. Then, we used ensemble empirical modal decomposition, Mann-Kendall tests, and regression analysis to study the spatiotemporal variation in soil moisture for the past 29 years. The CCI _SM data showed a high correlation with local soil measurements at nine sites. We then analyzed the CCI_SM data from three pumping stations (the Gaogang, Hongze, and Liushan stations) in the South-North Water Transfer JWSA. These stations had similar periodic characteristics of soil moisture, with significant periodic fluctuations around 3.1 d. The overall soil moisture at the three typical pumping stations showed an increasing trend. We then investigated whether there were abrupt soil moisture changes at each station. The spatial distribution of soil moisture in the South-North Water Transfer JWSA was characterized by “dry north and wet south”, with higher soil moisture in winter, followed by autumn, and low soil moisture in spring and summer. Although the linear trend of soil moisture in the South-North Water Transfer JWSA varied in significance, the overall soil moisture in the JWSA has increased over the past 29 years. The areas with significantly enhanced soil moisture are mainly distributed in the Yangzhou and Huai'an areas in the southeastern part of the study area. The areas with significantly decreased soil moisture are small in size and mainly located in northern Xuzhou.


2021 ◽  
Vol 11 (23) ◽  
pp. 11413
Author(s):  
Xinyong Xu ◽  
Wenjie Xu ◽  
Chenlong Xie ◽  
Mohd Yawar Ali Khan

The South-to-North Water Diversion Project has been in operation since 2014, directly benefiting more than 79 million people in China. Thus, its service life and long-term performance have gained much attention from scholars. To predict its life and performance, this study used the seepage/stress-damage coupling method. In addition, a seepage/stress-damage coupling theory was proposed and a finite element model of a deep excavated canal in the Xichuan Section of the South-to-North Water Diversion Project was established. The results showed that this canal subsided greatly in the first two years of operation, which can be confirmed by the monitoring data. It is predicted that, after 50 years of normal operation, the canal damage may start and spread from the water level, and reach 37.6%, but such damage will not affect its normal water delivery function. The purpose of this study is to provide guidance for the safe operation of the project.


Ars Aeterna ◽  
2021 ◽  
Vol 13 (2) ◽  
pp. 16-30
Author(s):  
Petr Chalupský

Abstract The neo-Victorian novel has been one of the most significant branches of contemporary British historical fiction for the past three decades. Thanks to works like A. S. Byatt’s Possession, Sarah Waters’ trilogy Tipping the Velvet, Affinity and Fingersmith and Michel Faber’s The Crimson Petal and the White, the genre has gained not only considerable popularity among readers, but also almost a canonical literary status. Although recent neo-Victorian fiction has been trying to find some new ways in which the genre could avoid stereotypical narratives, it still retains its most determining idiosyncrasies. One of them is an interest in the undersides of Victorian society, including the themes of violence and criminality, which is why these novels often resort to the genre of crime and detective fiction. This is also the case of Graeme Macrae Burnet’s His Bloody Project (2015) and Ian McGuire’s The North Water (2016), both historical novels set in Victorian Britain which were, respectively, shortlisted and longlisted for the 2016 Man Booker Prize. This paper attempts to show the different manners in which these two novels employ various forms of crime narratives so as to achieve their goal of presenting convincing and seemingly authentic insights into the more obscure aspects of the Victorian era.


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