Uncertainties in Clear-Sky Solar Irradiance Modeling Induced by the Limited Availability of the Atmospheric Parameters

In the recent years, great progress has been made in developing terrestrial and satellite-based networks for the measurement of atmospheric parameters, which serve as inputs in clear sky parametric models. However, some parameters may still be missing from the model input due to small temporal sampl...

Full description

Bibliographic Details
Main Authors: Carstea Emil, Paulescu Marius
Format: Article
Language:English
Published: Sciendo 2023-12-01
Series:Annals of West University of Timisoara: Physics
Subjects:
Online Access:https://doi.org/10.2478/awutp-2023-0004
_version_ 1797397391447425024
author Carstea Emil
Paulescu Marius
author_facet Carstea Emil
Paulescu Marius
author_sort Carstea Emil
collection DOAJ
description In the recent years, great progress has been made in developing terrestrial and satellite-based networks for the measurement of atmospheric parameters, which serve as inputs in clear sky parametric models. However, some parameters may still be missing from the model input due to small temporal sampling or lack of in situ data. This paper presents a case study on the accuracy of the clear-sky solar irradiance estimation by a parametric model, when the availability of inputs is limited. The study was conducted with high-quality radiometric and atmospheric data recorded by the INOE-Magurele station, Romania. Seven different scenarios were studied. In each scenario the clear-sky solar irradiance model was run assuming that certain parameters are missing from the input. The results quantitatively confirm the dominant role of aerosols in establishing the accuracy of solar irradiance estimation under clear sky conditions. The unavailability of the measured Ångström turbidity coefficient may lead to a twofold/threefold increase in the uncertainty of direct-normal/diffuse solar irradiance estimation.
first_indexed 2024-03-09T01:09:14Z
format Article
id doaj.art-08681baea71f47319d04037e585f46d8
institution Directory Open Access Journal
issn 2784-1057
language English
last_indexed 2024-03-09T01:09:14Z
publishDate 2023-12-01
publisher Sciendo
record_format Article
series Annals of West University of Timisoara: Physics
spelling doaj.art-08681baea71f47319d04037e585f46d82023-12-11T07:37:19ZengSciendoAnnals of West University of Timisoara: Physics2784-10572023-12-01651415010.2478/awutp-2023-0004Uncertainties in Clear-Sky Solar Irradiance Modeling Induced by the Limited Availability of the Atmospheric ParametersCarstea Emil0Paulescu Marius11National Institute of Research and Development for Optoelectronics, Atomistilor 409, 077125, Magurele, Romania2Faculty of Physics, West University of Timisoara, V Parvan 4, 300223, Timisoara, RomaniaIn the recent years, great progress has been made in developing terrestrial and satellite-based networks for the measurement of atmospheric parameters, which serve as inputs in clear sky parametric models. However, some parameters may still be missing from the model input due to small temporal sampling or lack of in situ data. This paper presents a case study on the accuracy of the clear-sky solar irradiance estimation by a parametric model, when the availability of inputs is limited. The study was conducted with high-quality radiometric and atmospheric data recorded by the INOE-Magurele station, Romania. Seven different scenarios were studied. In each scenario the clear-sky solar irradiance model was run assuming that certain parameters are missing from the input. The results quantitatively confirm the dominant role of aerosols in establishing the accuracy of solar irradiance estimation under clear sky conditions. The unavailability of the measured Ångström turbidity coefficient may lead to a twofold/threefold increase in the uncertainty of direct-normal/diffuse solar irradiance estimation.https://doi.org/10.2478/awutp-2023-0004solar irradianceclear-skymodelingaerosol
spellingShingle Carstea Emil
Paulescu Marius
Uncertainties in Clear-Sky Solar Irradiance Modeling Induced by the Limited Availability of the Atmospheric Parameters
Annals of West University of Timisoara: Physics
solar irradiance
clear-sky
modeling
aerosol
title Uncertainties in Clear-Sky Solar Irradiance Modeling Induced by the Limited Availability of the Atmospheric Parameters
title_full Uncertainties in Clear-Sky Solar Irradiance Modeling Induced by the Limited Availability of the Atmospheric Parameters
title_fullStr Uncertainties in Clear-Sky Solar Irradiance Modeling Induced by the Limited Availability of the Atmospheric Parameters
title_full_unstemmed Uncertainties in Clear-Sky Solar Irradiance Modeling Induced by the Limited Availability of the Atmospheric Parameters
title_short Uncertainties in Clear-Sky Solar Irradiance Modeling Induced by the Limited Availability of the Atmospheric Parameters
title_sort uncertainties in clear sky solar irradiance modeling induced by the limited availability of the atmospheric parameters
topic solar irradiance
clear-sky
modeling
aerosol
url https://doi.org/10.2478/awutp-2023-0004
work_keys_str_mv AT carsteaemil uncertaintiesinclearskysolarirradiancemodelinginducedbythelimitedavailabilityoftheatmosphericparameters
AT paulescumarius uncertaintiesinclearskysolarirradiancemodelinginducedbythelimitedavailabilityoftheatmosphericparameters