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Analysis of institutional authors

Nieto, AnaCorresponding AuthorAlonso, GustavoAuthorCubas, JavierAuthorBenito, ArturoAuthor

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September 18, 2025
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Decarbonizing the Skies: Evolution of EU Air Transport Efficiency and Carbon Emissions

Publicated to: Environments. 12 (9): 332- - 2025-09-18, DOI: 10.3390/environments12090332

Authors:

Nieto, Ana; Alonso, Gustavo; Cubas, Javier; Benito, Arturo
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Affiliations

Univ Politecn Madrid UPM, Sch Aerosp Engn ETSIAE, E-28040 Madrid, Spain - Author

Abstract

The European air traffic sector underwent significant disruption due to the COVID-19 pandemic, followed by a complex recovery phase. Throughout this period, the decarbonization of aviation remained a strategic priority for EU institutions and regulators. This study presents a comparative analysis of air traffic activity and associated CO2 emissions across EU member states between 2019 and 2024, using publicly available operational data and a standardized emissions estimation method. It explores changes in traffic volume, structural shifts in fleet composition, and the evolving market dynamics among European carriers. While the overall sectoral characteristics remained relatively stable, notable intra-EU variations influenced both operational efficiency and emissions outcomes. These findings underscore the importance of tailoring decarbonization measures to reflect national and regional differences, ensuring equitable and effective implementation across the EU.
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Keywords

Air traffic structureAircraft efficiencyAviationAviation carbon emissionsCo2 emissionsEnvironmental policyFleet renewal

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Environments due to its progression and the good impact it has achieved in recent years, according to the agency Scopus (SJR), it has become a reference in its field. In the year of publication of the work, 2025, it was in position , thus managing to position itself as a Q1 (Primer Cuartil), in the category Ecology, Evolution, Behavior and Systematics.

Independientemente del impacto esperado determinado por el canal de difusión, es importante destacar el impacto real observado de la propia aportación.

Según las diferentes agencias de indexación, el número de citas acumuladas por esta publicación hasta la fecha 2026-11-12:

  • WoS: 1
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Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2026-11-12:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 10.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 10 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 36.
  • The number of mentions in news outlets: 4 (Altmetric).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.
  • Assignment of a Handle/URN as an identifier within the deposit in the Institutional Repository: https://oa.upm.es/94936/
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Leadership analysis of institutional authors

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: First Author (NIETO BERNAL, ANA ISABEL) and Last Author (BENITO RUIZ DE VILLA, ARTURO).

the author responsible for correspondence tasks has been NIETO BERNAL, ANA ISABEL.

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