HUBEI AGRICULTURAL SCIENCES ›› 2019, Vol. 58 ›› Issue (16): 160-164.doi: 10.14088/j.cnki.issn0439-8114.2019.16.037

• Economy & Management • Previous Articles     Next Articles

Research on time and space pollution hotspots and frontier visualization of heavy metals based on CiteSpace

GAO Yu, YANG Ning-ning, LIANG Qing-fang, ZHANG Jun   

  1. Shaanxi Key Laboratory of Disaster Monitoring and Mechanism Simulation,Baoji University of Arts and Sciences,Baoji 721013,Shaanxi,China
  • Received:2019-03-01 Online:2019-08-25 Published:2019-11-12

Abstract: In order to understand the research status and future development path of heavy metal pollution supported by domestic GIS technology, using the literature measurement method and information visualization software CiteSpace V, the basic knowledge framework, research hotspots and research frontiers were studied in the 1 128 papers in the field of heavy metal pollution supported by GIS technology in the CNKI database from 1996 to 2018, and the network knowledge map was drawn. The results show that the research hotspots and frontiers of heavy metal pollution are divided into three stages, namely, from 1996 to 2005, research hotspots and frontiers are spatial distribution of heavy metals based on geostatistics; from 2005 to 2010, research hotspots and frontiers are spatial and temporal distributions and spatial variability of heavy metals based on GIS; and since 2010, the research focus has been on heavy metals in sediments, and the frontier is the risk assessment and source analysis of heavy metals.

Key words: heavy metal, GIS, spatial and temporal distribution, bibliometrics, CiteSpace V

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