寒区土壤水运移研究热点与进展--基于科学计量分析法的可视分析

Research Hotspots and Advances of Soil Water Transport in Permafrost Regions-Visual Analysis Based on Scientometrics

基于CiteSpace可视化软件对CNKI和WOS数据库共30000余篇文献进行了分析,通过关键词、发文机构、发文作者等特征对有关寒区土壤水运移的文献进行了统计分析。结果表明:寒区土壤水运移方向的研究方法包括数值模拟,实验研究与实地观测;研究的主要地区集中在我国中西部地区;其中水热耦合研究是当前关注的重点,针对水热盐运移实验观测和模型规律的研究较少,然而通过近20年的发文量呈现出上升趋势,并且具备了一定的规模。随着气候变化引起的冻土退化程度更加明显,更多的衍生问题被暴露出来,总的来看,为加强对寒区生态环境的保护,有关寒区土壤水分运移的研究开始呈现出精细化、多学科交叉等发展前景。

Based on CiteSpace visualization software,this paper analyzes more than 30,000 articles in CNKI and WOS databases,and makes a statistical analysis of the literature on soil water migration in cold regions through the characteristics of keywords,publishing institutions and authors.The results show that the research methods of soil water transport direction in cold region include numerical simulation,experimental study and field observation.The main areas of research are concentrated in the central and western regions of China;among them,the research on hydrothermal coupling is the focus of current attention.There are few studies on the experimental observation and model law of hydrothermal salt transport.However,the number of publications in the past 20 years has shown an upward trend and has a certain scale.As the degree of permafrost degradation caused by climate change becomes more apparent,more derivative problems are exposed.In general,in order to strengthen the protection of the ecological environment in cold regions,the research on soil moisture transport in cold regions has begun to show the development prospects of refinement and multidisciplinary intersection.