2026-04-28T00:11:31Zhttps://riubu.ubu.es/oai/requestoai:riubu.ubu.es:10259/82042024-11-15T09:29:48Zcom_10259_6229com_10259_4534com_10259.4_106com_10259_2604com_10259_4393com_10259_5086col_10259_6230col_10259_4394
Garrachón Gómez, Elena
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600
García Ruiz, Ignacio
358bfcca-1f6c-4c99-9ce1-6f317b272fea
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García Rodríguez, Ana
214
600
0000-0003-3233-0525
García Rodríguez, Sol
757
600
0000-0002-7064-0308
Alonso Tristán, Cristina
23
600
0000-0003-4733-7391
2023-12-14T10:48:25Z
2023-12-14T10:48:25Z
2024-01
0168-1699
http://hdl.handle.net/10259/8204
10.1016/j.compag.2023.108523
Agriculture is by far the most important economic activity in the Spanish autonomous region of Castilla y Leon. ´
Numerous factors influence crop development but one of the most related variables to the photosynthetic process
is Photosynthetically Active Radiation (PAR). Estimating Intercepted Photosynthetically Active Radiation (IPAR)
in different crops through the Beer-Lambert law could be a relevant factor in crop season planning by enabling
photosynthesis monitoring. The Beer-Lambert Law is applied in this study to the data for almost 2 million
hectares of wheat, barley, and maize cultivated in Castilla y Leon ´ in 2021. The fourteen-year data set of Global
Horizontal Irradiance (GHI) used to calculate the monthly PAR data in the region was collected at 93 meteo rological stations (46 in Castilla y Leon ´ and 47 in neighboring Spanish and Portuguese regions). Two previously
published global calibrated models were employed to calculate the PAR, with a relative Root Mean Square Error
(rRMSE) below 6%, for the measured daily mean values of PAR in Burgos. Processing the various NASA Terra and
Aqua satellite images yielded the monthly Leaf Area Index (LAI) and the literature review provided the light
extinction coefficient (k). The Geographic Information System (GIS) facilitated visualization of IPAR estimates for
the three cereal crops in all months of its growing season. Wheat and barley reach their IPAR peaks in June and
July, while maize peaks in July and August. In addition, the fraction of Intercepted Photosynthetically Active
Radiation (fIPAR) was calculated in different provinces to assess PAR interception for each cereal at different
growing stages. In June, almost 50% of the wheat area in Burgos, Palencia and Soria displayed fIPAR values
exceeding 45% while in the case of barley only the province of Burgos reached these percentages of area
and.fIPAR.
This research forms part of project TED2021-131563B-I00, funded by MCIN/AEI/ 10.13039/501100011033 and by the “European Union NextGenerationEU/PRTR”. Elena Garrachón-Gómez expresses her thanks to the Universidad de Burgos for the funding of her pre-doctoral contract. Ignacio García is likewise grateful to the Spanish Ministry of Universities and the European Union-Next Generation EU for their financial support (Program for the requalification of the Spanish university system 2021-2023, Resolution 1402/2021).
application/pdf
eng
Elsevier
Computers and Electronics in Agriculture. 2024, V. 216, 108523
https://doi.org/10.1016/j.compag.2023.108523
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica, Técnica y de Innovación 2021-2023/TED2021-131563B-I00/ES/Modelado espectral de la radiación solar en entornos urbanos: una oportunidad para la sostenibilidad de las ciudades/
Attribution-NonCommercial-NoDerivatives 4.0 Internacional
http://creativecommons.org/licenses/by-nc-nd/4.0/
info:eu-repo/semantics/openAccess
Cereal crops
GIS
fIPAR
PAR
IPAR
Electrotecnia
Meteorología
Electrical engineering
Meteorology
Monthly intercepted photosynthetically active radiation estimation based on the Beer-Lambert’s law across the cereal crops of Castilla y León (Spain)
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Computers and Electronics in Agriculture
216
108523
THUMBNAIL
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ORIGINAL
Garrachon-cea_2024.pdf
Garrachon-cea_2024.pdf
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oai:riubu.ubu.es:10259/8204
2024-11-15 10:29:48.626
Repositorio Institucional de la Universidad de Burgos
bubrep@ubu.es
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