Articles | Volume 7, issue 1
https://doi.org/10.5194/gi-7-39-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gi-7-39-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
02 Feb 2018
Research article |
| 02 Feb 2018
| 02 Feb 2018
The World Optical Depth Research and Calibration Center (WORCC) quality assurance and quality control of GAW-PFR AOD measurements
Stelios Kazadzis
CORRESPONDING AUTHOR
Physikalisch-Meteorologisches Observatorium Davos, World Radiation
Center (PMOD/WRC) Dorfstrasse 33, 7260 Davos Dorf, Switzerland
Natalia Kouremeti
Physikalisch-Meteorologisches Observatorium Davos, World Radiation
Center (PMOD/WRC) Dorfstrasse 33, 7260 Davos Dorf, Switzerland
Stephan Nyeki
Physikalisch-Meteorologisches Observatorium Davos, World Radiation
Center (PMOD/WRC) Dorfstrasse 33, 7260 Davos Dorf, Switzerland
Julian Gröbner
Physikalisch-Meteorologisches Observatorium Davos, World Radiation
Center (PMOD/WRC) Dorfstrasse 33, 7260 Davos Dorf, Switzerland
Christoph Wehrli
Physikalisch-Meteorologisches Observatorium Davos, World Radiation
Center (PMOD/WRC) Dorfstrasse 33, 7260 Davos Dorf, Switzerland
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- Reducing cloud contamination in aerosol optical depth (AOD) measurements V. Schenzinger & A. Kreuter 10.5194/amt-14-2787-2021
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- Evaluating the effects of columnar NO2on the accuracy of aerosol optical properties retrievals T. Drosoglou et al. 10.5194/amt-16-2989-2023
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- Advancements in the Aerosol Robotic Network (AERONET) Version 3 database – automated near-real-time quality control algorithm with improved cloud screening for Sun photometer aerosol optical depth (AOD) measurements D. Giles et al. 10.5194/amt-12-169-2019
- Assessment of the impact of NO2 contribution on aerosol-optical-depth measurements at several sites worldwide A. Masoom et al. 10.5194/amt-17-5525-2024
- Potential of AOD Retrieval Using Atmospheric Emitted Radiance Interferometer (AERI) J. Seo et al. 10.3390/rs14020407
31 citations as recorded by crossref.
- Trends in surface radiation and cloud radiative effect at four Swiss sites for the 1996–2015 period S. Nyeki et al. 10.5194/acp-19-13227-2019
- The Precision Solar Spectroradiometer (PSR) for direct solar irradiance measurements J. Gröbner & N. Kouremeti 10.1016/j.solener.2019.04.060
- Variation of Aerosol Optical Properties over Cluj-Napoca, Romania, Based on 10 Years of AERONET Data and MODIS MAIAC AOD Product H. Ștefănie et al. 10.3390/rs15123072
- Intercomparison of aerosol optical depth retrievals from GAW-PFR and SKYNET sun photometer networks and the effect of calibration A. Karanikolas et al. 10.5194/amt-17-6085-2024
- Assessment of Sun photometer Langley calibration at the high-elevation sites Mauna Loa and Izaña C. Toledano et al. 10.5194/acp-18-14555-2018
- Record high solar irradiance in Western Europe during first COVID-19 lockdown largely due to unusual weather C. van Heerwaarden et al. 10.1038/s43247-021-00110-0
- Sensitivity of aerosol optical depth trends using long-term measurements of different sun photometers A. Karanikolas et al. 10.5194/amt-15-5667-2022
- Extended aerosol optical depth (AOD) time series analysis in an Alpine valley: a comparative study from 2007 to 2023 J. Wagner et al. 10.5194/ar-2-153-2024
- Aerosol Distributions and Sahara Dust Transport in Southern Morocco, from Ground-Based and Satellite Observations H. Bencherif et al. 10.3390/rs14102454
- Reducing cloud contamination in aerosol optical depth (AOD) measurements V. Schenzinger & A. Kreuter 10.5194/amt-14-2787-2021
- Integrating SQA into the Robotic Software Development Lifecycle R. Mohammed 10.18034/abcjar.v12i1.763
- SI-traceable solar irradiance measurements for aerosol optical depth retrieval N. Kouremeti et al. 10.1088/1681-7575/ac6cbb
- Aerosol optical depth regime over megacities of the world K. Papachristopoulou et al. 10.5194/acp-22-15703-2022
- Evaluation of on-site calibration procedures for SKYNET Prede POM sun–sky photometers M. Campanelli et al. 10.5194/amt-17-5029-2024
- Preliminary Assessment and Verification of the Langley Plots Calibration of the Sun Photometer at Mt Foyeding Observatory, Beijing Y. Zheng et al. 10.3390/rs14174321
- Spectral aerosol optical depth from SI-traceable spectral solar irradiance measurements J. Gröbner et al. 10.5194/amt-16-4667-2023
- An overview of and issues with sky radiometer technology and SKYNET T. Nakajima et al. 10.5194/amt-13-4195-2020
- Aerosol optical and radiative properties and their environmental effects in China: A review H. Che et al. 10.1016/j.earscirev.2023.104634
- Results from the Fourth WMO Filter Radiometer Comparison for aerosol optical depth measurements S. Kazadzis et al. 10.5194/acp-18-3185-2018
- Aerosol retrievals from the EKO MS-711 spectral direct irradiance measurements and corrections of the circumsolar radiation R. García-Cabrera et al. 10.5194/amt-13-2601-2020
- The Langley ratio method, a new approach for transferring photometer calibration from direct sun measurements A. Almansa et al. 10.5194/amt-17-659-2024
- Photovoltaic Spectral Responsivity and Efficiency under Different Aerosol Conditions D. Kouklaki et al. 10.3390/en16186644
- Daytime and nighttime aerosol optical depth implementation in CÆLIS R. González et al. 10.5194/gi-9-417-2020
- Evaluation of aerosol microphysical, optical and radiative properties measured with a multiwavelength photometer Y. Zheng et al. 10.5194/amt-15-2139-2022
- A Decade of Aerosol Optical Properties Measurements over Athens, Greece I. Raptis et al. 10.3390/atmos11020154
- Retrievals of precipitable water vapor and aerosol optical depth from direct sun measurements with EKO MS711 and MS712 spectroradiometers C. Qiao et al. 10.5194/amt-16-1539-2023
- Evaluating the effects of columnar NO2on the accuracy of aerosol optical properties retrievals T. Drosoglou et al. 10.5194/amt-16-2989-2023
- Aerosol optical depth comparison between GAW-PFR and AERONET-Cimel radiometers from long-term (2005–2015) 1 min synchronous measurements E. Cuevas et al. 10.5194/amt-12-4309-2019
- Advancements in the Aerosol Robotic Network (AERONET) Version 3 database – automated near-real-time quality control algorithm with improved cloud screening for Sun photometer aerosol optical depth (AOD) measurements D. Giles et al. 10.5194/amt-12-169-2019
- Assessment of the impact of NO2 contribution on aerosol-optical-depth measurements at several sites worldwide A. Masoom et al. 10.5194/amt-17-5525-2024
- Potential of AOD Retrieval Using Atmospheric Emitted Radiance Interferometer (AERI) J. Seo et al. 10.3390/rs14020407
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Short summary
The World Optical Depth Research Calibration Center (WORCC) has been established after the recommendations of WMO for calibration of aerosol optical depth (AOD) -related sun photometers. WORCC is mandated to initiate homogenization activities among different AOD networks and to run a network (GAW-PFR) of sun photometers. To calibrate such instruments aiming at low measurement uncertainties the quality assurance, quality control and a basic hierarchy have to be defined and followed.
The World Optical Depth Research Calibration Center (WORCC) has been established after the...
