A Multi-Year Study of GOES-13 Droplet Effective Radius Retrievals for Warm Clouds over South America and Southeast Pacific

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Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorColorado State University-
Autor(es): dc.creatorCorreia, Alexandre L.-
Autor(es): dc.creatorMendonça, Marina M.-
Autor(es): dc.creatorNobrega, Thiago F.-
Autor(es): dc.creatorPugliesi, Andre C.-
Autor(es): dc.creatorCecchini, Micael A.-
Data de aceite: dc.date.accessioned2025-08-21T17:09:19Z-
Data de disponibilização: dc.date.available2025-08-21T17:09:19Z-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2021-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.3390/atmos13010077-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/223226-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/223226-
Descrição: dc.descriptionGeostationary satellites can retrieve the cloud droplet effective radius (re ) but suffer biases from cloud inhomogeneities, internal retrieval nonlinearities, and 3-D scattering/shadowing from neighboring clouds, among others. A 1-D retrieval method was applied to Geostationary Operational Environmental Satellite 13 (GOES-13) imagery, over large areas in South America (5◦ N–30◦ S; 20◦–70◦ W), the Southeast Pacific (5◦ N–30◦ S; 70◦–120◦ W), and the Amazon (2◦ N–7◦ S; 54◦–73◦ W), for four months in each year from 2014–2017. Results were compared against in situ aircraft measurements and the Moderate Resolution Imaging Spectroradiometer cloud product for Terra and Aqua satellites. Monthly regression parameters approximately followed a seasonal pattern. With up to 108,009 of matchups, slope, intercept, and correlation for Terra (Aqua) ranged from about 0.71 to 1.17, −2.8 to 2.5 µm, and 0.61 to 0.91 (0.54 to 0.78, −1.5 to 1.8 µm, 0.63 to 0.89), respectively. We identified evidence for re overestimation (underestimation) correlated with shadowing (enhanced reflectance) in the forward (backscattering) hemisphere, and limitations to illumination and viewing configurations accessible by GOES-13, depending on the time of day and season. A proposition is hypothesized to ameliorate 3-D biases by studying relative illumination and cloud spatial inhomogeneity.-
Descrição: dc.descriptionNational Oceanic and Atmospheric Administration-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionInstitute of Physics University of Sao Paulo-
Descrição: dc.descriptionDepartment of Environmental Engineering Sao Paulo State University-
Descrição: dc.descriptionDepartment of Atmospheric Science Colorado State University-
Descrição: dc.descriptionDepartment of Environmental Engineering Sao Paulo State University-
Descrição: dc.descriptionFAPESP: 2020/13273-9-
Descrição: dc.descriptionCNPq: 421870/2018-4-
Idioma: dc.languageen-
Relação: dc.relationAtmosphere-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectCloud effective radius-
Palavras-chave: dc.subjectGOES-
Palavras-chave: dc.subjectMicrophysics-
Palavras-chave: dc.subjectRemote sensing-
Palavras-chave: dc.subjectTropics-
Título: dc.titleA Multi-Year Study of GOES-13 Droplet Effective Radius Retrievals for Warm Clouds over South America and Southeast Pacific-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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