2020
DOI: 10.1016/j.apr.2020.07.003
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Evaluation of MODIS C6 and C6.1 Dark Target AOD products over Turkey based on NDVI and aerosol type

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Cited by 13 publications
(5 citation statements)
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“…As indicated by Zhou and Wang ( 2017 ), reanalysis data is typically assimilated from daytime satellite products, with limited data available at night. Correspondingly, RMSE and MAE values in this study exhibit a downward trend from morning to late afternoon, which is in line with findings suggesting that Aqua satellite retrievals conducted in the afternoon are more accurate than those from the Terra satellite in the morning (Bright and Gueymard 2019 ; Tuna Tuygun et al 2020 ; Tuna Tuygun et al 2021 ). Thus, CAMS AODs demonstrate commendable performance across all hours, particularly in the late afternoon.…”
Section: Resultssupporting
confidence: 92%
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“…As indicated by Zhou and Wang ( 2017 ), reanalysis data is typically assimilated from daytime satellite products, with limited data available at night. Correspondingly, RMSE and MAE values in this study exhibit a downward trend from morning to late afternoon, which is in line with findings suggesting that Aqua satellite retrievals conducted in the afternoon are more accurate than those from the Terra satellite in the morning (Bright and Gueymard 2019 ; Tuna Tuygun et al 2020 ; Tuna Tuygun et al 2021 ). Thus, CAMS AODs demonstrate commendable performance across all hours, particularly in the late afternoon.…”
Section: Resultssupporting
confidence: 92%
“…AOD data can be sourced from various platforms, including (i) ground-based monitoring stations equipped with sun photometers, sky radiometers, and ceilometers, which measure direct and scattered sunlight to ascertain atmospheric aerosol concentration (Kim et al 2008 ; Khor et al 2014 ); (ii) satellite-based instruments such as the Moderate Resolution Imaging Spectroradiometer (MODIS), Multi-angle Imaging SpectroRadiometer (MISR), and Polarization and Anisotropy of Reflectances for Atmospheric Sciences coupled with Observations from a Lidar (PARASOL), which determine aerosol concentration by measuring direct and scattered sunlight (Tuna Tuygun et al 2020 ; Chiapello et al 2021 ; Gui et al 2021 ); (iii) numerical models like the Global Modeling and Assimilation Office (GMAO) and the Community Atmosphere Model (CAM), which simulate atmospheric conditions and use data from various sources, including satellite and ground-based measurements, to estimate aerosol concentration (Bacmeister et al 2014 ; Gelaro et al 2017 ); and (iv) aerosol data assimilation systems such as the Copernicus Atmosphere Monitoring Service (CAMS) and the European Space Agency’s (ESA) Climate Change Initiative (CCI) project, which integrate satellite-based measurements, ground-based observations, and numerical models to produce comprehensive aerosol data (Peuch et al 2022 ).…”
Section: Introductionmentioning
confidence: 99%
“…It has a spatial resolution of 1° × 1° degree and average root mean absolute error over land is around 0.075 of DTDB monthly AOD data (Levy et al ., 2013). MODIS data were employed for trend analysis (Georgoulias et al ., 2016b; Tuna Tuygun et al ., 2020). Detailed information about the MODIS aerosol datasets is given in Table 1.…”
Section: Study Region and Datamentioning
confidence: 99%
“…Ayrıca sadece deniz üzerinde veri üretilmesi durumunda da Akdeniz ve Ege üzerinde boş pikseller görülmüştür. Daha önce gerçekleştirilen çalışmalar sonucunda bölgenin ortalama AOD seviyesinin yaz aylarında 0,1-0,2 aralığında olduğu bilinmektedir [31,[46][47]. Bu değerin nemin çok yüksek olduğu koşullarda veya bölgenin toz taşınımından etkilendiği dönemlerde 0,2-0,3 aralığında değiştiği bilinmektedir [46].…”
Section: Modis Maiac Aod Verileri Aynı Alan Veunclassified
“…Amerikan Ulusal Uzay ve Havacılık Dairesi (NASA) tarafından uzaya yerleştirilen kutupsal yörüngeli Terra ve Aqua uydularına bağlı MODIS enstrümanı yeryüzündeki bir nokta için günde 1 veya 2 adet AOD verisi üretebilmektedir. Terra ve Aqua uyduları uzun yıllardır dünya genelinde yaygın olarak kullanılan ve ülkemiz özelinde de kabul edilebilir doğrulukta AOD verisini üretmeyi başaran uydulardır [31][32]. AOD orman yangınlarından kaynaklanan aerosol kirliliğinin izlenmesi amacıyla da literatürde yaygın olarak kullanılan bir parametredir [25,[33][34][35].…”
Section: Introductionunclassified