基于文献计量学分析泥沙来源研究进展与热点

明确流域或区域泥沙来源对水土保持措施科学布局有重要意义。为了更好地掌握泥沙来源研究的发展动态,研究借助文献计量方法与可视化工具——CiteSpace软件,对中国知网(CNKI)总库和Web of Science数据库迄今关于泥沙来源的所有文献进行收集分析,探寻当前该领域的研究热点,为未来的发展研究提供参考。对检索获取的6 000余篇中文和英文文献的分析发现,当前泥沙来源研究的主要对象包括淤地坝、小流域、河流与盆地。研究热点主题主要包括泥沙输移、泥沙形态和土壤侵蚀; 热点研究内容注重对环境效应、影响因素等进行综合研究; 热点研究手段是复合指纹识别技术。关键词突现图和时区图展现的前沿研究趋势显示,在重点研究区要重建流域泥沙来源历史的演变规律; 指纹识别法作为热点研究手段则亟需科学的试验设计来验证该方法的准确性; 将来的研究则侧重于形成类似“复合指纹系统工具”的工具,服务于流域管理、侵蚀泥沙产生的环境风险预测等方面。

Research Hotspots and Progresses of Sediment Sources Based on Bibliometrics Method

It is of great significance for the reasonable arrangement of soil and water conservation measures to clarify the sediment source. We explored the current hotspots and frontiers of sediment source research based on the summary of study progresses of this field by jointly using the literature metrology method and a visualization tool named CiteSpace software. The data included in the analysis derived from more than 6 000 literatures in the China National Knowledge Internet(CNKI)and Web of Science databases to date. This research aims to provide evidence for the improvement of sediment source study in the feature. The results showed that current research objects of sediment source included check dam, small watershed, rivers and basin, the hotspots included the sediment transport, sediment form, and soil erosion. The researches focus on comprehensive studies on environmental effects and influencing factors. The robust research method is compound fingerprint identification technology. The research trend of keywords in relation to map and timezone map show that the evolution law of sediment source history should be reconstructed in the key research areas. As a robust research method, fingerprint identification is in urgent need of scientific experimental design to verify the accuracy of this method. Future research will focus on developing tools similar to the composite fingerprint system tool used for watershed management and prediction of environmental risk ruslting from sediment erosion.