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Quantitative author inputs to Earth science research publications: survey results, insights and potential applications

Published online by Cambridge University Press:  20 October 2020

Jason R. Ali Open the ORCID record for Jason R. Ali [Opens in a new window]
Jason R. Ali*
Affiliation:
Department of Earth Sciences, University of Hong Kong, Pokfulam Road, Hong Kong, Hong Kong SAR, China
*
Author for correspondence: Jason R. Ali, Email: jrali@hku.hk
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Abstract

Results are reported of what is believed to be the first survey of the quantitative contributions Earth scientists make to their research publications. Based on a return of 26 (from 45; 254 total documents), two key patterns are observed. For most articles, there is a steady decrease in the roles of the first through fifth authors. The former fall from 65 ± 14% for two-author outputs, to 52 ± 9% for five, to 46 ± 10% for ten; fifth authors are perceived as having contributed 5–6%. The term ‘balanced’ is used to describe such contributor lists. The second pattern, which is labelled ‘imbalanced’, is recognized with teams of five or more and involves the first author shouldering a disproportionately large amount of the work; consequently, the inputs of the third and lesser authors range from small to negligible (5–1%). In some cases, it is observed in a few of a researcher’s publications (≤3); in others, it is more pervasive. There are two basic explanations: estimation problems and excessive numbers of authors, which can be split into two and three subcategories, respectively. The key features of the survey data are dwelt upon. The work concludes with an exploration of a proposed H-Index-type metric that is weighted by the contribution fractions a researcher makes to their publications. This, I contend, would be more reflective of their impact.

Keywords

author weightingbibliometricscorrespondence authorfirst authorH-Indexmulti-author papers
Type
Original Article
Information
Geological Magazine , Volume 158 , Issue 6 , June 2021 , pp. 951 - 963
Copyright
© The Author(s), 2020. Published by Cambridge University Press

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