Articles | Volume 17, issue 2
https://doi.org/10.5194/amt-17-659-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-17-659-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
26 Jan 2024
Research article |
| 26 Jan 2024
| 26 Jan 2024
The Langley ratio method, a new approach for transferring photometer calibration from direct sun measurements
Antonio Fernando Almansa
CORRESPONDING AUTHOR
Cimel Electronique, Paris, France
Izaña Atmospheric Research Center (IARC), Agencia Estatal de Meteorología (AEMET), Santa Cruz de Tenerife, Spain
África Barreto
Izaña Atmospheric Research Center (IARC), Agencia Estatal de Meteorología (AEMET), Santa Cruz de Tenerife, Spain
Atmospheric Optics Group of Valladolid University (GOA–UVa), Valladolid University, Valladolid, Spain
Natalia Kouremeti
Physikalisch-Meteorologisches Observatorium Davos, World Radiation Center (PMOD/WRC), Davos, Switzerland
Ramiro González
Atmospheric Optics Group of Valladolid University (GOA–UVa), Valladolid University, Valladolid, Spain
Akriti Masoom
Physikalisch-Meteorologisches Observatorium Davos, World Radiation Center (PMOD/WRC), Davos, Switzerland
Carlos Toledano
Atmospheric Optics Group of Valladolid University (GOA–UVa), Valladolid University, Valladolid, Spain
Julian Gröbner
Physikalisch-Meteorologisches Observatorium Davos, World Radiation Center (PMOD/WRC), Davos, Switzerland
Rosa Delia García
Tragsatec, Madrid, Spain
Izaña Atmospheric Research Center (IARC), Agencia Estatal de Meteorología (AEMET), Santa Cruz de Tenerife, Spain
Yenny González
Cimel Electronique, Paris, France
Izaña Atmospheric Research Center (IARC), Agencia Estatal de Meteorología (AEMET), Santa Cruz de Tenerife, Spain
Stelios Kazadzis
Physikalisch-Meteorologisches Observatorium Davos, World Radiation Center (PMOD/WRC), Davos, Switzerland
Stéphane Victori
Cimel Electronique, Paris, France
Óscar Álvarez
Izaña Atmospheric Research Center (IARC), Agencia Estatal de Meteorología (AEMET), Santa Cruz de Tenerife, Spain
Fabrice Maupin
Cimel Electronique, Paris, France
Virgilio Carreño
Izaña Atmospheric Research Center (IARC), Agencia Estatal de Meteorología (AEMET), Santa Cruz de Tenerife, Spain
Victoria Eugenia Cachorro
Atmospheric Optics Group of Valladolid University (GOA–UVa), Valladolid University, Valladolid, Spain
Emilio Cuevas
Izaña Atmospheric Research Center (IARC), Agencia Estatal de Meteorología (AEMET), Santa Cruz de Tenerife, Spain
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Latest update: 07 Mar 2026
Short summary
This paper applies sun photometer synergies to improve calibration transference between different sun photometers and also enhance their quality assurance and quality control. We have validated this technique using different instrumentation, the WMO-GAW and NASA-AERONET references, under different aerosol regimes using the standard Langley calibration method as a reference.
This paper applies sun photometer synergies to improve calibration transference between...
