基于文献计量的农田土壤镉下渗研究现状与趋势分析  

Bibliometric-based analysis of the current status and trend of research on cadmium in filtration fromagricultural soils

作　　者：刘佳有 王鑫凤 高阿祥 杨新萍[1] LIU Jiayou;WANG Xinfeng;GAO Axiang;YANG Xinping(College of Resource and Environmental Sciences,Nanjing Agricultural University,Nanjing 210095,China)

机构地区：[1]南京农业大学资源与环境科学学院,南京210095

出　　处：《农业环境科学学报》2024年第11期2487-2496,共10页Journal of Agro-Environment Science

基　　金：国家重点研发计划项目(2022YFC3704803)。

摘　　要：基于中国知网(CNKI)和Web of Science(WoS)核心合集数据,本文采用文献计量学方法和可视化分析软件,分析了国内外农田土壤重金属Cd下渗研究领域2003—2023年的研究现状、研究热点及未来发展趋势。结果显示,该领域的年发文量整体呈增长趋势,但年度最高发文量较低,中文和英文最高年发文量仅为19篇和23篇。中文文献的研究热点主要集中在“重金属”、“数值模拟”、“迁移”和“土壤”,英文文献主要为“cadmium”、“agricultural soil”、“heavy metals”和“fluxes”。国内外研究者已初步掌握农田土壤中重金属Cd的下渗迁移过程、影响因素、下渗通量计算方法及模型模拟。然而,目前的研究主要集中在室内模拟实验(如土柱实验),而缺乏对自然条件下农田土壤Cd下渗过程的长期监测。同时,关于极端天气条件及农田干湿交替对Cd下渗迁移的影响研究仍显不足。未来应重点关注田间Cd下渗过程的监测、下渗过程影响机制深化研究以及多尺度农田土壤重金属Cd下渗输出模型的建立。Based on the core ensemble data of China Knowledge Network(CNKI)and Web of Science(WoS),this paper analyzed the current research status,research hotspots and future development trends in the field of heavy metal Cd infiltration from agricultural soils at home and abroad in the past 21 years(2003—2023)by using bibliometrics and visualization analysis software.The results showed that the annual publication volume in this field showed an overall increasing trend,but the highest annual publication volume was low,and the highest annual publication volume in Chinese and English was only 19 and 23 articles.The research hotspots in Chinese literature mainly focused on"heavy metals","numerical modeling","transport"and"soil",while the English literature mainly focused on"cadmium","agricultural soil","heavy metals"and"fluxes".Researchers at home and abroad had initially grasped the process of heavy metal Cd seepage and transport in agricultural soils,the influencing factors,the calculation method of seepage flux and the model simulation.The current research mainly focused on indoor simulation experiments(e.g.,soil column experiments),but lacks long-term monitoring of Cd infiltration process in agricultural soils under natural conditions.Meanwhile,research on the effects of extreme weather conditions and wetdry alternation on Cd infiltration and transport in agricultural fields was still insufficient.Future research should focus on monitoring the infiltration process of Cd in the field,deepening the study of the influence mechanism of the infiltration process,and modeling the infiltration and export of heavy metal Cd from agricultural soils at multiple scales.

关 键 词：农田土壤 镉 下渗通量 重金属输出 文献计量学 

分 类 号：X53[环境科学与工程—环境工程]