Guizhou Karst Carbon Sink and Sustainability—An Overview

Min Zhang, Wu Yang (), Mingxing Yang and Jun Yan
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Min Zhang: Faculty of Resources and Environmental Engineering, Guizhou Institute of Technology, Guiyang 550003, China
Wu Yang: Faculty of Resources and Environmental Engineering, Guizhou Institute of Technology, Guiyang 550003, China
Mingxing Yang: Faculty of Resources and Environmental Engineering, Guizhou Institute of Technology, Guiyang 550003, China
Jun Yan: Faculty of Resources and Environmental Engineering, Guizhou Institute of Technology, Guiyang 550003, China

Sustainability, 2022, vol. 14, issue 18, 1-14

Abstract: Global warming and climate change are becoming the most popular topics among scientists. In this century, the research focusing on the process and mechanism of the carbon cycle, especially the research of reducing the concentration of atmospheric CO 2 (carbon sink and carbon sequestration technology), are the core issues of global change. The karst carbon sink was neglected due to the consideration that it was a geological process with a long timescale. Recently, studies have proven that carbonate rock weathering is a rapid and sensitive process, and the Fifth Climate Change Assessment Report of the United Nations Intergovernmental Panel on Climate Change confirmed this. Guizhou, as the center of karst in China, has the unique advantages of the karst carbon sink, and is the core area of the karst carbon sink. On the basis of summarizing the development and evolution trend of karst carbon sinks, through data collection and field research, the Carbon Neutralization Research Group of Guizhou Institute of Technology has conducted an exploratory investigation on karst carbon sinks in Guizhou Province, and basically identified the mechanism, influencing factors and measurement methods of karst carbon sinks in Guizhou karst areas. The results show that the potential of the karst carbon sink in Guizhou is huge. Vegetation restoration, soil improvement, irrigation with external water and the cultivation of aquatic plants are important ways to increase the karst carbon sink by artificial intervention. A series of achievements have been made in the theory, technology and platform construction of the karst carbon cycle geological survey and carbon sink effect evaluation. It is worth noting that there are still great challenges in karst carbon sink measurement and verification, and in the demonstration of artificial intervention in carbon sequestration and sink enhancement, which need to be continuously tackled and improved in the “14th Five-Year Plan” period and beyond, so as to meet the needs of the carbon neutralization target of geological carbon sink services.

Keywords: karst carbon sink; sustainability; Guizhou; suggestion (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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