为更好掌握现有公路气象灾害研究的知识结构及发展进程,收集中国知网(CNKI)核心集 1992-2022 年和Web of Science核心集 2000-2022 年收录的 1 840 篇论文,基于CiteSpace软件,从文献分布、共现网络、聚类分析、关键词突现等方面进行分析.结果表明:1)随着学科不断发展,公路气象灾害领域论文年发文量总体呈增长趋势;2)公路气象灾害研究具有多学科交叉性质,研究学者来自交通、气象及地质学等相关研究机构及院校;3)国内外研究热点主要有气象灾害对交通基础设施的破坏、气象灾害对交通运行及安全的影响、气象灾害模拟及风险评估、路网监测及交通管控措施等;4)公路边坡灾害及恶劣天气对公路正常运行的影响在多时期引起国内外学者的广泛关注;5)随着研究的不断深入,公路抗灾韧性、智慧交通管控及全寿命公路气象灾害评估等方向近几年引起研究学者关注.
Research on Highway Meteorological Disaster Based on Knowledge Map
In order to better grasp the existing knowledge structure and development of highway meteorological disaster research,1 840 papers collected from CNKI core collection from 1992 to 2022 and Web of Science core collection from 2000 to 2022 were collected.Based on CiteSpace software,the paper analyzes literature distribution,co-occurrence network,cluster analysis,keyword emergence and so on.The results show that:1)With the continuous development of the discipline,the annual number of papers published in the field of highway meteorological disaster shows an increasing trend;2)The research of highway meteorological disaster is interdisciplinary,and the researchers come from related research institutions and colleges such as traffic,meteorology and geology;3)The main research hotspots at home and abroad include the damage of meteorological disasters to traffic infrastructure,the impact of bad weather on traffic operation,meteorological disaster simulation and risk assessment,road network monitoring and traffic control measures;4)The influence of highway slope disaster and bad weather on the normal operation of highway has attracted extensive attention from scholars at home and abroad;5)With the deepening of research,the directions of highway disaster resilience,smart highway management and control,and life-cycle highway meteorological disaster assessment have become more popular in recent years.
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