In the latest Journal Citation Reports ™ (JCR) from Clarivate, every eligible EDP Sciences journal indexed in Web of Science ™ has received an increased impact factor. Overall, there is a 32% increase for the twenty one journals compared to last year. Individual increases range from a modest rise to an impressive 225%. Impact factors are but one way to measure quality, nevertheless, they continue to be widely-used and recognised and therefore remain significant.
Last year, in response to the pandemic, EDP Sciences took the decision to open all of its content from March to August to support researchers and academics. This decision, together with the impact of Subscribe-to-Open (S2O), may well have contributed to some of this year’s results.
Three journals have increased by over 100%, namely: Mathematical Modelling of Natural Phenomena (MMNP) 153% (from 1.642 to 4.157) following a 73% increase last year. It is now ranked 13/108 in “Mathematics, Interdisciplinary Applications”, 6/265 in “Mathematics, Applied” and 10/58 in “Mathematical & Computational Biology” – all Q1; RAIRO-Theoretical Informatics and Applications 215% (from 0.138 to 0.435); and BSGF-Earth Sciences Bulletin 225% (from 0.579 to 1.879).
The two Mathematics journals – MMNP and RAIRO-Theoretical Informatics and Applications – are joined by: ESAIM: Control, Optimisation and Calculus of Variations which increased by 37%; ESAIM: Mathematical Modelling and Numerical Analysis which increased by 27%; ESAIM: Probability and Statistics which increased by 45%; RAIRO-Operations Research which increased by 36%.
All these journals are transitioning to open access under a Subscribe-to-Open (S2O) model. MMNP was the first to make the change last year and its archives were available in free access during 2020. With the other maths journals following suit, it is hoped and expected that citations will continue to increase for these journals as long as they remain open access with the continued support of subscribers.
With an increase from 5.636 to 5.802, Astronomy & Astrophysics remains one of the leading original research journals in the field. Its special issues are particularly valued by the community and include Gaia Data Release 2 which has contributed to this year’s excellent impact factor.
Additionally, some of EDP Sciences’ specialist journals performed particularly well - Journal of Space Weather and Space Climate from 3.095 to 3.584; Parasite from 2.050 to 3.000; Aquatic Living Resources from 1.026 to 1.885; and Radioprotection from 0.541 to 1.015.
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