基于共现图谱量化分析的我国海洋科研热点变化趋势研究

Research on the Change Trend of Hotspots in Marine Science Research in China Based on Quantitative Analysis of Co-Occurrence Atlas

通过对海洋类重要核心刊物在2000~2015年发表的论文进行统计分析,提取高频关键词并绘制共词网络,结合社会网络分析方法对高频关键词进行主成分展示,进而分析研究热点和主题。研究发现海洋科学研究的重点区域、研究方法和研究内容,揭示13个海洋科学热点研究主题,并描绘出热点研究主题随时间的发展变化趋势,以期更好地把握海洋科学研究的发展脉络,为海洋管理决策和海洋科学研究投入等提供客观依据。

Based on the statistic analysis of published papers on marine important core journals during the time period from 2000 to 2015,high-frequency keywords were extracted and the co-word network was drawn,combined with social network analysis method,principal component of the high frequency keywords displayed.Furthermore,research focuses and themes were analyzed.This research revealed marine scientific key areas,methods and contents,which also revealed 13 hot research topics,and depicted the development and changes of the hot research topic with time.This research aims to grasp the marine scientific research development path,and provide objective basis for marine management and marine scientific research investment decision.