HOTSPOTS AND TRENDS OF GROUNDWATER RELATED RESEARCHES NEAR LANDFILLS:VISUAL ANALYSIS BASED ON CITESPACE

YE Zhao-yong; YANG Yu; HOU Li-an

doi:10.13205/j.hjgc.202106011

Volume 39 Issue 6

Jan. 2022

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YE Zhao-yong, YANG Yu, HOU Li-an. HOTSPOTS AND TRENDS OF GROUNDWATER RELATED RESEARCHES NEAR LANDFILLS:VISUAL ANALYSIS BASED ON CITESPACE[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(6): 65-71. doi: 10.13205/j.hjgc.202106011

Citation:

YE Zhao-yong, YANG Yu, HOU Li-an. HOTSPOTS AND TRENDS OF GROUNDWATER RELATED RESEARCHES NEAR LANDFILLS:VISUAL ANALYSIS BASED ON CITESPACE[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(6): 65-71. doi: 10.13205/j.hjgc.202106011

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HOTSPOTS AND TRENDS OF GROUNDWATER RELATED RESEARCHES NEAR LANDFILLS:VISUAL ANALYSIS BASED ON CITESPACE

doi: 10.13205/j.hjgc.202106011

YE Zhao-yong¹,
YANG Yu^{1
,
,},
HOU Li-an^1,2

1. Beijing Normal University, Beijing 100875, China;
2. Xi'an High-Tech Institute, Xi'an 710025, China

Received Date: 2020-05-07
Available Online: 2022-01-18

Abstract

Abstract

A large amount of domestic garbage is generated in China every year. Landfill has become the most widely used domestic waste disposal method, due to its low cost and convenient operation. However, the generated landfill leachate seriously threatens the safety of surrounding groundwater. In order to explore the research hotspots and frontiers in the field of groundwater in landfills, this article carried out literature statistics and information mining on the Web of Science database based on analysis software CiteSpace. Combined with CiteSpace analysis graphs, it was found that the research hotspots mainly included leachate, adsorption, heavy metals, evaluation methods(analytic hierarchy process), polycyclic aromatic hydrocarbons, leachate pollution indicators, nitrification, etc. The research frontier gradually changed from the research of specific pollutants such as heavy metals and volatile organic compounds(methane, carbon) to the research of polluted areas, impact of pollutants, and geographic information systems. Based on the analysis of relevant literature and the results of CiteSpace, it was believed that there were two main development trends in the future. Firstly, based on the knowledge of geographic information system, the transmission and diffusion models of pollutants in the region should be finely described. Secondly, combined with the health risk assessment methods of contaminated areas, systematic landfill pollution remediation and treatment should be carried out.
- landfill,
- groundwater,
- CiteSpace,
- knowledge graph,
- research hotspot,
- research frontier

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References(23)

References

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