【摘要】 论文以CNKI、万方和NSTL学位论文数据库为数据源,采用文献计量与共词分析法,对2007年—2016年中国国内地球科学博士学位论文从年度论文数量、学位授予单位、产出地域、一级学科及专业等角度进行统计分析,绘制关键词共词知识图谱,揭示中国地球科学博士论文研究的热点领域。研究发现中国地球科学博士论文年度数量将保持稳定的发展趋势,中国地质大学和中国科学院大学是国内最大的两个培养机构,北京产出的论文数量最多,论文主要分布于地质学、地理学、地质资源与地质工程等一级学科,研究热点涉及气候变化、数值模拟、构造地质学、地球化学、青藏高原、3S技术等。更多还原

【Abstract】 Based on CNKI, Wanfang and NSTL dissertation databases, this paper uses bibliometric and co-word analysis methods to statistically analyze China’s doctoral dissertations in earth science during 2007-2016 by annual number, degree conferring unit, output region, first-class discipline and major, draws the knowledge map by software and reveals the hot fields of these earth science doctoral dissertations. The research shows that the annual number of earth science doctoral dissertations will remain stable, China University of Geosciences and University of Chinese Academy of Sciences are the two largest doctoral training units, most of these dissertations are outputted in Beijing, the dissertations are mainly distributed in geology, geography, geological resources and geological engineering, and research hotspots include climate change, numerical simulation, structural geology, geochemistry, the Qinghai-Tibetan Plateau, 3 S technology, etc.更多还原