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Estimation of monthly Angström-Prescott equation coefficients from measured daily data in Toledo, Spain
Cita
Almorox Alonso, Javier 
ORCID: https://orcid.org/0000-0003-1523-0979, Benito Capa, Marta ORCID: https://orcid.org/0000-0001-6664-1642 and Hontoria Fernández, Chiquinquirá ORCID: https://orcid.org/0000-0002-8089-0327
(2004).
Estimation of monthly Angström-Prescott equation coefficients from measured daily data in Toledo, Spain.
"Renewable Energy"
(n. 6);
pp. 931-936.
ISSN 0960-1481.
https://doi.org/10.1016/j.renene.2004.08.002.
ORCID: https://orcid.org/0000-0003-1523-0979, Benito Capa, Marta ORCID: https://orcid.org/0000-0001-6664-1642 and Hontoria Fernández, Chiquinquirá ORCID: https://orcid.org/0000-0002-8089-0327
(2004).
Estimation of monthly Angström-Prescott equation coefficients from measured daily data in Toledo, Spain.
"Renewable Energy"
(n. 6);
pp. 931-936.
ISSN 0960-1481.
https://doi.org/10.1016/j.renene.2004.08.002.
Descripción
| Título: | Estimation of monthly Angström-Prescott equation coefficients from measured daily data in Toledo, Spain |
|---|---|
| Autor/es: |
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| Tipo de Documento: | Artículo |
| Título de Revista/Publicación: | Renewable Energy |
| Fecha: | 30 Noviembre 2004 |
| ISSN: | 0960-1481 |
| Número: | 6 |
| Materias: | |
| ODS: | |
| Escuela: | E.T.S. de Ingeniería Agronómica, Alimentaria y de Biosistemas (UPM) |
| Departamento: | Producción Agraria |
| Licencias Creative Commons: | Reconocimiento - Sin obra derivada - No comercial |
Resumen
In this study, daily global radiation for Toledo (Spain) were utilized to determine monthly-specific equations for estimating global solar radiation from sunshine hours and to obtain improved fits to monthly Angstro¨m–Prescott’s coefficients.
Models were compared using the root mean square error (RMSE), the mean bias error (MBE) and the t-statistic. According to our results, all the models fitted the data adequately and can be used to estimate the specific monthly global solar radiation.
Average RMSE and MBE for comparison between observed and estimated global radiation were 1.260 and K0.002 MJ m-2 day-1, respectively. The t-statistic was used as the best indicator, this indicator depends on both, and is more effective for determining the model performance. The agreement between the estimated and the measured data were remarkable and the method was recommended for use in Toledo (Spain).
Más información
| ID de Registro: | 91730 |
|---|---|
| Identificador DC: | https://oa.upm.es/91730/ |
| Identificador OAI: | oai:oa.upm.es:91730 |
| URL Portal Científico: | https://portalcientifico.upm.es/es/ipublic/item/10001150 |
| Identificador DOI: | 10.1016/j.renene.2004.08.002 |
| URL Oficial: | https://www.sciencedirect.com/science/article/pii/... |
| Depositado por: | iMarina Portal Científico |
| Depositado el: | 04 Nov 2025 16:58 |
| Ultima Modificación: | 04 Nov 2025 16:58 |
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