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Bibliometric analysis of the evolution of biochar research trends and scientific production
Clean Technologies and Environmental Policy ( IF 4.3 ) Pub Date : 2020-11-02 , DOI: 10.1007/s10098-020-01969-x
Emna Abdeljaoued , Mathieu Brulé , Saida Tayibi , Dimitris Manolakos , Abdallah Oukarroum , Florian Monlau , Abdellatif Barakat

Abstract

Biochar has caught great attention over the last decade, yielding a large number of publications in a broad range of disciplines. This scientometric study produces a combined qualitative–quantitative assessment of 10,000 publications recorded in the period 2005–2019 in the Web of Science (WoS) database, based on innovative methods and indicators, and focusing in particular on biochar production and valorization pathways. The cumulated number of publications was analyzed with power and logistic models, and the economic indicator CAGR (Compound Annual Growth Rate) for the estimation of future academic output. Mapping of the evolution of academic output revealed the worldwide diffusion of academic production toward many countries and continents. According to the analysis of collaboration networks of most productive countries, the development of academic output may be linked to high levels of international collaboration, as well as the diversity of these networks. Furthermore, the rise of academic output in the African continent may preclude an evolution toward a multipolar academic world. The average number of citations per paper at both author level (number of citations/number of papers) and journal level (total citations/total papers) was found to be a useful indicator of scientific productivity. In particular, academic journals with impact factors as low as 2.5–3 still ranked high on this criterion, revealing their high impact on academic research in the biochar sector. Finally, the analysis of targeted keywords co-occurrences emphasized the diversification of research on biochar applications, from its initial use as soil improver toward engineered biochar for versatile applications.

Graphic abstract



中文翻译:

生物炭研究趋势和科学生产演变的文献计量分析

摘要

在过去的十年中,Biochar引起了极大的关注,产生了许多学科广泛的出版物。这项科学计量研究基于创新的方法和指标,特别是生物炭的生产和增值途径,对2005-2019年间在Web of Science(WoS)数据库中记录的10,000种出版物进行了定性和定量的综合评估。使用力量和逻辑模型以及经济指标CAGR(复合年增长率)对出版物的累计数量进行了分析,以估算未来的学术产出。对学术产出演变的绘图显示,学术成果在世界范围内向许多国家和大洲扩散。根据大多数生产国合作网络的分析,学术成果的发展可能与高水平的国际合作以及这些网络的多样性有关。此外,非洲大陆学术产出的增加可能会阻碍向多极学术世界的发展。研究发现,在作者级别(被引用数量/论文数量)和期刊水平(被引用总数/论文总数)上,每篇论文的平均被引用次数是科学生产率的有用指标。尤其是,影响因子低至2.5–3的学术期刊在该标准上仍然排名很高,表明它们对生物炭行业的学术研究具有很高的影响力。最后,针对有针对性的关键字共现进行的分析强调了生物炭应用研究的多样化,

图形摘要

更新日期:2020-11-02
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