Identifying factors that influence soil heavy metals by using categorical regression analysis:A case study in Beijing,China

作     者：Jun Yang Jingyun Wang Pengwei Qiao Yuanming Zheng Junxing Yang Tongbin Chen Mei Lei Xiaoming Wan Xiaoyong Zhou Jun Yang;Jingyun Wang;Pengwei Qiao;Yuanming Zheng;Junxing Yang;Tongbin Chen;Mei Lei;Xiaoming Wan;Xiaoyong Zhou

作者机构：Center for Environmental RemediationInstitute of Geographic Sciences and Natural Resources ResearchChinese Academy of SciencesBeijing 100101China University of Chinese Academy of SciencesBeijing 100049China Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing 100085China Beijing Key Laboratory of Remediation of Industrial Pollution SitesEnvironmental Protection Research Institute of Light IndustryBeijing 100048China 

出 版 物：《Frontiers of Environmental Science & Engineering》 (环境科学与工程前沿（英文）)

年 卷 期：2020年第14卷第3期

页      面：1-14页

核心收录：

学科分类：12[管理学] 1204[管理学-公共管理] 082803[工学-农业生物环境与能源工程] 08[工学] 0828[工学-农业工程] 120405[管理学-土地资源管理] 

基　　金：This research was supported by the National Natural Science Foundation of China(Grant Nos.41771510 and 41271478) the Science and Technology Service Network Initiative(STS)from the Chinese Academy of Sciences(No.KFJ-STS-ZDTP-007) In addition,the authors would like to thank professor Yucheng Chen of South-west University for helping us to analyze the data 

主　　题：Soil Heavy metal Influencing factor Categorical regression Identification method 

摘      要：Identifying the factors that influence the heavy metal contents of soil could reveal the sources of soil heavy metal *** this study,a categorical regression was used to identify the factors that influence soil heavy ***,environmental factors were associated with soil heavy metal data,and then,the degree of influence of different factors on the soil heavy metal contents in Beijing was analyzed using a categorical *** results showed that the soil parent material,soil type,land use type,and industrial activity were the main influencing factors,which suggested that these four factors were important sources of soil heavy metals in *** addition,population density had a certain influence on the soil Pb and Zn *** distribution of soil As,Cd,Pb,and Zn was markedly influenced by interactions,such as traffic activity and land use type,industrial activity and population *** spatial distribution of soil heavy metal hotspots corresponded well with the influencing factors,such as industrial activity,population density,and soil parent *** this study,the main factors affecting soil heavy metals were identified,and the degree of their influence was ranked.A categorical regression represents a suitable method for identifying the factors that influence soil heavy metal contents and could be used to study the genetic process of regional soil heavy metal pollution.