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Analysis of institutional authors

Almorox, JCorresponding AuthorHontoria, CAuthorBenito, MAuthor

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June 9, 2019
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Statistical validation of daylength definitions for estimation of global solar radiation in Toledo, Spain

Publicated to: ENERGY CONVERSION AND MANAGEMENT. 46 (9-10): 1465-1471 - 2005-06-01 46(9-10), DOI: 10.1016/j.enconman.2004.07.007

Authors:

Almorox, J; Hontoria, C; Benito, M
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Abstract

The different daylength calculation procedures that can be employed to estimate solar radiation using an Angstrom-Prescott regression have not been sufficiently evaluated. In this study, daily global solar radiation data measured in Toledo (Spain) during the period 1986-1995 were used to test five daylength estimation models using different definitions of sunrise/sunset and twilight. Models were compared using the root mean square error (RMSE), the mean bias error (MBE) and the t-statistic. In the first two cases, the differences found between the results from the different models were small. Analysis using the t-statistic, on the other hand, showed that the use of civil twilight to calculate daylength produced the best estimates of global solar radiation for Toledo. (C) 2004 Elsevier Ltd. All rights reserved.
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Keywords

Angstrom-prescott equationDaylength calculationEvapotranspiration computing modelsSunshine durationToledo (spain)TurkeyTwilight

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal ENERGY CONVERSION AND MANAGEMENT due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2005, it was in position 13/21, thus managing to position itself as a Q1 (Primer Cuartil), in the category Physics, Nuclear.

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 2026-04-27:

  • WoS: 52
  • Scopus: 60
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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 2026-04-27:

  • 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: 47.

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: 1.
  • The number of mentions on the social network Facebook: 1 (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:

  • Assignment of a Handle/URN as an identifier within the deposit in the Institutional Repository: https://oa.upm.es/91733/

As a result of the publication of the work in the institutional repository, statistical usage data has been obtained that reflects its impact. In terms of dissemination, we can state that, as of

  • Views: 43
  • Downloads: 1
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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 (ALMOROX ALONSO, JAVIER) and Last Author (BENITO CAPA, MARTA).

the author responsible for correspondence tasks has been ALMOROX ALONSO, JAVIER.

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