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Evaluation on sustainability of water resource in karst area based on the emergy ecological footprint model and analysis of its driving factors: a case study of Guiyang city, China by Zijie Liu; Bo Li; Mengyu Chen; Tao Li is a Environmental Science article available to read on EtoBox.

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Water resources are indispensable resources that human society depends on for survival and development, and it is of great significance to maintain the sustainability and promote the sustainable development of water resources. In this study, the emergy ecological footprint model was adopted to evaluate the sustainability of water resources in Guiyang city from 2009 to 2018. Results showed that water resources in Guiyang during the study period were in an ecological surplus, were relatively secure, and had weakly sustainable status. The emergy ecological carrying capacity of water resources had fluctuated greatly with the annual average rainfall. Both the emergy ecological footprint of water resources and the emergy ecological footprint of water resources per 10,000 yuan GDP had declined. Both the ecological tension index and the sustainable utilization index of water resources had shown a rising trend since 2012, indicating that the socio-economic pressure on water resources has been increasing. And the sustainability of water resources in Guiyang may not be maintained in the future. The sustainability of water resources in Guiyang was affected by an ecological environmental mechan

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Author

Zijie Liu; Bo Li; Mengyu Chen; Tao Li

Publisher

Springer Science and Business Media LLC

Published

2021

Language

EN

Field

Environmental Science (Physical Sciences)