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Daily Estimation of Global Solar Irradiation and Temperatures Using Artificial Neural Networks through the Virtual Weather Station Concept in Castilla and León, Spain

In this article, the interpolation of daily data of global solar irradiation, and the maximum, average, and minimum temperatures were measured. These measurements were carried out in the agrometeorological stations belonging to the Agro-climatic Information System for Irrigation (SIAR, in Spanish) o...

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Autores principales: Diez, Francisco J., Boukharta, Ouiam F., Navas-Gracia, Luis M., Chico-Santamarta, Leticia, Martínez-Rodríguez, Andrés, Correa-Guimaraes, Adriana
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9607214/
https://www.ncbi.nlm.nih.gov/pubmed/36298122
http://dx.doi.org/10.3390/s22207772
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author Diez, Francisco J.
Boukharta, Ouiam F.
Navas-Gracia, Luis M.
Chico-Santamarta, Leticia
Martínez-Rodríguez, Andrés
Correa-Guimaraes, Adriana
author_facet Diez, Francisco J.
Boukharta, Ouiam F.
Navas-Gracia, Luis M.
Chico-Santamarta, Leticia
Martínez-Rodríguez, Andrés
Correa-Guimaraes, Adriana
author_sort Diez, Francisco J.
collection PubMed
description In this article, the interpolation of daily data of global solar irradiation, and the maximum, average, and minimum temperatures were measured. These measurements were carried out in the agrometeorological stations belonging to the Agro-climatic Information System for Irrigation (SIAR, in Spanish) of the Region of Castilla and León, in Spain, through the concept of Virtual Weather Station (VWS), which is implemented with Artificial Neural Networks (ANNs). This is serving to estimate data in every point of the territory, according to their geographic coordinates (i.e., longitude and latitude). The ANNs of the Multilayer Feed-Forward Perceptron (MLP) used are daily trained, along with data recorded in 53 agro-meteorological stations, and where the validation of the results is conducted in the station of Tordesillas (Valladolid). The ANN models for daily interpolation were tested with one, two, three, and four neurons in the hidden layer, over a period of 15 days (from 1 to 15 June 2020), with a root mean square error (RMSE, MJ/m(2)) of 1.23, 1.38, 1.31, and 1.04, respectively, regarding the daily global solar irradiation. The interpolation of ambient temperature also performed well when applying the VWS concept, with an RMSE (°C) of 0.68 for the maximum temperature with an ANN of four hidden neurons, 0.58 for the average temperature with three hidden neurons, and 0.83 for the minimum temperature with four hidden neurons.
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spelling pubmed-96072142022-10-28 Daily Estimation of Global Solar Irradiation and Temperatures Using Artificial Neural Networks through the Virtual Weather Station Concept in Castilla and León, Spain Diez, Francisco J. Boukharta, Ouiam F. Navas-Gracia, Luis M. Chico-Santamarta, Leticia Martínez-Rodríguez, Andrés Correa-Guimaraes, Adriana Sensors (Basel) Article In this article, the interpolation of daily data of global solar irradiation, and the maximum, average, and minimum temperatures were measured. These measurements were carried out in the agrometeorological stations belonging to the Agro-climatic Information System for Irrigation (SIAR, in Spanish) of the Region of Castilla and León, in Spain, through the concept of Virtual Weather Station (VWS), which is implemented with Artificial Neural Networks (ANNs). This is serving to estimate data in every point of the territory, according to their geographic coordinates (i.e., longitude and latitude). The ANNs of the Multilayer Feed-Forward Perceptron (MLP) used are daily trained, along with data recorded in 53 agro-meteorological stations, and where the validation of the results is conducted in the station of Tordesillas (Valladolid). The ANN models for daily interpolation were tested with one, two, three, and four neurons in the hidden layer, over a period of 15 days (from 1 to 15 June 2020), with a root mean square error (RMSE, MJ/m(2)) of 1.23, 1.38, 1.31, and 1.04, respectively, regarding the daily global solar irradiation. The interpolation of ambient temperature also performed well when applying the VWS concept, with an RMSE (°C) of 0.68 for the maximum temperature with an ANN of four hidden neurons, 0.58 for the average temperature with three hidden neurons, and 0.83 for the minimum temperature with four hidden neurons. MDPI 2022-10-13 /pmc/articles/PMC9607214/ /pubmed/36298122 http://dx.doi.org/10.3390/s22207772 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Diez, Francisco J.
Boukharta, Ouiam F.
Navas-Gracia, Luis M.
Chico-Santamarta, Leticia
Martínez-Rodríguez, Andrés
Correa-Guimaraes, Adriana
Daily Estimation of Global Solar Irradiation and Temperatures Using Artificial Neural Networks through the Virtual Weather Station Concept in Castilla and León, Spain
title Daily Estimation of Global Solar Irradiation and Temperatures Using Artificial Neural Networks through the Virtual Weather Station Concept in Castilla and León, Spain
title_full Daily Estimation of Global Solar Irradiation and Temperatures Using Artificial Neural Networks through the Virtual Weather Station Concept in Castilla and León, Spain
title_fullStr Daily Estimation of Global Solar Irradiation and Temperatures Using Artificial Neural Networks through the Virtual Weather Station Concept in Castilla and León, Spain
title_full_unstemmed Daily Estimation of Global Solar Irradiation and Temperatures Using Artificial Neural Networks through the Virtual Weather Station Concept in Castilla and León, Spain
title_short Daily Estimation of Global Solar Irradiation and Temperatures Using Artificial Neural Networks through the Virtual Weather Station Concept in Castilla and León, Spain
title_sort daily estimation of global solar irradiation and temperatures using artificial neural networks through the virtual weather station concept in castilla and león, spain
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9607214/
https://www.ncbi.nlm.nih.gov/pubmed/36298122
http://dx.doi.org/10.3390/s22207772
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