Online Public Opinion Mining for Large Cross-Regional Projects: Case Study of the South-to-North Water Diversion Project in China

Beijing is located in a semiarid region, and water shortage is a common problem in the city. Along with the rapid increase in water demand, due to fast socioeconomic development and an increase in population, a shortage of water resources and a deterioration of the water environment have become obstacles to sustainable socioeconomic development in Beijing. In the long run, sustainable water resources management, water conservation, and completion of the south to north water diversion project will solve the problem. This paper introduces the water resources situation in Beijing; analyzes future water demand; and discusses the actions of water saving, nontraditional water resources exploitation, wetland construction, and water environment protection. The paper also explains the importance of the south to north water diversion project and the general layout of the water supply strategy, water distribution system, and methods to efficiently use the diverted water in Beijing.Key words: water resources, water supply, water saving, water recycling, water diversion.

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Analysis of the impact of the South-to-North Water Diversion Project on water balance and land subsidence in Beijing, China between 2007 and 2020

Journal of Hydrology ◽

10.1016/j.jhydrol.2021.126990 ◽

2021 ◽

pp. 126990

Author(s):

Zheyuan Du ◽

Linlin Ge ◽

Alex Hay-Man Ng ◽

Matthew C Garthwaite ◽

Qinggaozi Zhu ◽

...

Keyword(s):

Water Balance ◽

Land Subsidence ◽

Water Diversion ◽

The South ◽

Water Diversion Project ◽

North Water ◽

The Impact ◽

Beijing China

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Assessment and Management of Pressure on Water Quality Protection along the Middle Route of the South-to-North Water Diversion Project

Sustainability ◽

10.3390/su11113087 ◽

2019 ◽

Vol 11 (11) ◽

pp. 3087 ◽

Cited By ~ 3

Author(s):

Baolong Han ◽

Nan Meng ◽

Jiatian Zhang ◽

Wenbo Cai ◽

Tong Wu ◽

...

Keyword(s):

Water Quality ◽

Land Use Changes ◽

Water Diversion ◽

Water Protection ◽

The South ◽

Water Quality Protection ◽

Functional Zoning ◽

Water Diversion Project ◽

North Water ◽

Global Concern

Water scarcity in densely populated areas is a global concern. In China, ensuring water supply and quality in the middle of the South-to-North Water Diversion Project has become a major challenge due to the complexity and diversity of landscape features and the trunk canal construction in the crossing area of this route. Precise assessments of the pressures on water protection along the route are urgently needed. This article provides a rigorous methodological framework to assess water quality protection, identifying the intensity of human disturbance along the route within 2-km radius buffer areas on both sides of the trunk canal, based on land-use changes from 2005 to 2015. The results show that more than 10,000 ha of pervious surfaces were transformed into impervious surfaces, leading to undesirable outcomes. The results of this study can be used for decisive support in China’s environmental management, such as with main functional zoning policy and ecological red lines policy.

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