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Overview of the SLOPE I and II campaigns: aerosol properties retrieved with lidar and sun–sky photometer measurements
dc.contributor.author | Benavent Oltra, José Antonio | |
dc.contributor.author | Casquero Vera, Juan Andrés | |
dc.contributor.author | Lyamani, Hassan | |
dc.contributor.author | Pérez Ramírez, Daniel | |
dc.contributor.author | Granados Muñoz, María José | |
dc.contributor.author | Cazorla Cabrera, Alberto | |
dc.contributor.author | Titos Vela, Gloria | |
dc.contributor.author | Ortiz Amezcua, Pablo | |
dc.contributor.author | Bedoya Velásquez, Andrés Esteban | |
dc.contributor.author | De Arruda Moreira, Gregori | |
dc.contributor.author | Guerrero Rascado, Juan Luis | |
dc.contributor.author | Olmo Reyes, Francisco José | |
dc.contributor.author | Alados Arboledas, Lucas | |
dc.date.accessioned | 2021-07-27T08:52:25Z | |
dc.date.available | 2021-07-27T08:52:25Z | |
dc.date.issued | 2021-06-17 | |
dc.identifier.citation | Benavent-Oltra, J. A... [et al.]. Overview of the SLOPE I and II campaigns: aerosol properties retrieved with lidar and sun–sky photometer measurements, Atmos. Chem. Phys., 21, 9269–9287, [https://doi.org/10.5194/acp-21-9269-2021], 2021. | es_ES |
dc.identifier.uri | http://hdl.handle.net/10481/69931 | |
dc.description | Jose Antonio Benavent-Oltra is funded by the University of Granada through "Plan Propio. Programa 7, Convocatoria 2019". Roberto Roman is funded by MINECO under the postdoctoral programme Juan de la Cierva-Incorporacion (IJCI2016-30007). Juan Andres Casquero-Vera is funded by MINECO under the predoctoral programme FPI (BES-2017-080015). Maria J. Granados-Munoz received funding from the European Union's Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement No 796539. Oleg Dubovik was supported by the Labex CaPPA project, which is funded by the French National Research Agency under contract "ANR-11-LABX0005-01". This work was also supported by the Spanish Ministry of Economy and Competitiveness (projects CMT2015-66742-R, CGL2016-81092-R, CGL2017-85344-R, RTI2018-097864-B-I00 and CGL2017-90884-REDT), by the Andalusia Regional Government through project P18-RT-3820 and the Unity of Excellence "Maria de Maeztu" (project MDM-2016-0600) financed by the Spanish State Research Agency (AEI). The authors thankfully ac-knowledge the FEDER programme for the instrumentation used in this work, the University of Granada, which supported this study through the Excellence Units Program, and the Sierra Nevada National Park. We also thank Dr. Grisa Monick who provided the Aethalometer AVIO AE-33 installed on the aircraft. Thanks to AERONET and ACTRIS/AERONET Europe for the scientific and technical support. Finally, the authors would like to acknowledge the use of the GRASP inversion algorithm software (http://www.grasp-open.com, last access: 1 April 2020), in this work. | es_ES |
dc.description.abstract | The Sierra Nevada Lidar aerOsol Profiling Experiment I and II (SLOPE I and II) campaigns were intended to determine the vertical structure of aerosols by remote sensing instruments and test the various retrieval schemes for obtaining aerosol microphysical and optical properties with in situ measurements. The SLOPE I and II campaigns were developed during the summers of 2016 and 2017, respectively, combining active and passive remote sensing with in situ measurements at stations belonging to the AGORA observatory (Andalusian Global ObseRvatory of the Atmosphere) in the Granada area (Spain). In this work, we use the in situ measurements of these campaigns to evaluate aerosol properties retrieved by the GRASP code (Generalized Retrieval of Atmosphere and Surface Properties) combining lidar and sun-sky photometer measurements. We show an overview of aerosol properties retrieved by GRASP during the SLOPE I and II campaigns. In addition, we evaluate the GRASP retrievals of total aerosol volume concentration (discerning between fine and coarse modes), extinction and scattering coefficients, and for the first time we present an evaluation of the absorption coefficient. The statistical analysis of aerosol optical and microphysical properties, both column-integrated and vertically resolved, from May to July 2016 and 2017 shows a large variability in aerosol load and types. The results show a strong predominance of desert dust particles due to North African intrusions. The vertically resolved analysis denotes a decay of the atmospheric aerosols with an altitude up to 5 km a.s.l. Finally, desert dust and biomass burning events were chosen to show the high potential of GRASP to retrieve vertical profiles of aerosol properties (e.g. absorption coefficient and single scattering albedo) for different aerosol types. The aerosol properties retrieved by GRASP show good agreement with simultaneous in situ measurements (nephelometer, aethalometer, scanning mobility particle sizer, and aerodynamic particle sizer) performed at the Sierra Nevada Station (SNS) in Granada. In general, GRASP overestimates the in situ data at the SNS with a mean difference lower than 6 mu m(3) cm(-3) for volume concentration, and 11 and 2 Mm(-1)for the scattering and absorption coefficients. On the other hand, the comparison of GRASP with airborne measurements also shows an overestimation with mean absolute differences of 14 +/- 10 and 1.2 +/- 1.2 Mm(-1) for the scattering and absorption coefficients, showing a better agreement for the absorption (scattering) coefficient with higher (lower) aerosol optical depth. The potential of GRASP shown in this study will contribute to enhancing the representativeness of the aerosol vertical distribution and provide information for satellite and global model evaluation. | es_ES |
dc.description.sponsorship | University of Granada | es_ES |
dc.description.sponsorship | MINECO under the postdoctoral programme Juan de la Cierva-Incorporacion IJCI2016-30007 | es_ES |
dc.description.sponsorship | MINECO under the predoctoral programme FPI BES-2017-080015 | es_ES |
dc.description.sponsorship | European Commission 796539 | es_ES |
dc.description.sponsorship | French National Research Agency (ANR) ANR-11-LABX0005-01 | es_ES |
dc.description.sponsorship | Spanish Ministry of Economy and Competitiveness CMT2015-66742-R CGL2016-81092-R CGL2017-85344-R RTI2018-097864-B-I00 CGL2017-90884-REDT | es_ES |
dc.description.sponsorship | Andalusia Regional Government P18-RT-3820 | es_ES |
dc.description.sponsorship | Spanish State Research Agency (AEI) MDM-2016-0600 | es_ES |
dc.description.sponsorship | Excellence Units Program | es_ES |
dc.description.sponsorship | Sierra Nevada National Park | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Copernicus GmbH | es_ES |
dc.rights | Atribución 3.0 España | * |
dc.rights.uri | http://creativecommons.org/licenses/by/3.0/es/ | * |
dc.title | Overview of the SLOPE I and II campaigns: aerosol properties retrieved with lidar and sun–sky photometer measurements | es_ES |
dc.type | info:eu-repo/semantics/article | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/EC/H2020/796539 | es_ES |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | es_ES |
dc.identifier.doi | 10.5194/acp-21-9269-2021 | |
dc.type.hasVersion | info:eu-repo/semantics/publishedVersion | es_ES |
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