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Long-term visibility variation in Athens (1931–2013): a proxy for local and regional atmospheric aerosol loads
2016
Atmospheric Chemistry and Physics
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AVHRR and MODIS satellite-derived aerosol optical depth (AOD) retrievals over Athens and surface measurements of PM<sub>10</sub> confirmed the relation of visibility to aerosol load.</p> ...
</strong> This study explores the interdecadal variability and trends of surface horizontal visibility at the urban area of Athens from 1931 to 2013, using the historical archives of the National Observatory ...
The study is a contribution to the ChArMEX (The Chemistry-Aerosol Mediterranean Experiment) work package on variability and trends. ...
doi:10.5194/acp-16-11219-2016
fatcat:wsqxhqj6tjbxxllm7m7lugpxji
Effect of Aerosols, Tropospheric NO2 and Clouds on Surface Solar Radiation over the Eastern Mediterranean (Greece)
2021
Remote Sensing
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An increase in SSR is observed for the period 2005–2019 (positive trends ranging from 0.01 to 0.52 W/m2/year), which is mostly related to a decrease in the aerosol optical depth and the liquid cloud fraction ...
In this work, the effect that two basic air quality indexes, aerosols and tropospheric NO2, exert on surface solar radiation (SSR) is studied, along with the effect of liquid and ice clouds over 16 locations ...
of the National Observatory of Athens (IESRD/NOA), and the Hellenic Center for Marine Research (HCMR), for the maintenance and the provision of the solar radiation measurements. ...
doi:10.3390/rs13132587
fatcat:vpcdaicvhzcttkkjkdpaboaf44
Measurements of Saharan dust aerosols over the Eastern Mediterranean using elastic backscatter-Raman lidar, spectrophotometric and satellite observations in the frame of the EARLINET project
2005
Atmospheric Chemistry and Physics Discussions
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The corresponding aerosol optical thickness (AOT) at 355 nm, in the altitude range 0-5 km, was 0.69±0.12 and 0.65±0.10 for Athens and Thessaloniki, respectively (within the dust layer the AOT was 0.23 ...
We report on the vertical distributions of Saharan dust aerosols over the N.E. ...
Kallos (UoA, Greece) for providing aerosol dust data from the SKIRON/Eta model. ...
doi:10.5194/acpd-5-2075-2005
fatcat:f5uydrrbjnfflpr5jc5iqwbphu
Measurements of Saharan dust aerosols over the Eastern Mediterranean using elastic backscatter-Raman lidar, spectrophotometric and satellite observations in the frame of the EARLINET project
2005
Atmospheric Chemistry and Physics
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The corresponding aerosol optical thickness (AOT) at 355 nm, in the altitude range 0-5 km, was 0.69±0.12 and 0.65±0.10 for Athens and Thessaloniki, respectively (within the dust layer the AOT was 0.23 ...
We report on the vertical distributions of Saharan dust aerosols over the N.E. ...
Kallos (UoA, Greece) for providing aerosol dust data from the SKIRON/Eta model. ...
doi:10.5194/acp-5-2065-2005
fatcat:3pa25uvpmnf3hafsgqwp642fhu
An Enhanced Satellite-Based Algorithm for Detecting and Tracking Dust Outbreaks by Means of SEVIRI Data
2017
Remote Sensing
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Among the recent dust detection algorithms, the RST DUST multi-temporal technique has provided good results in different geographic areas (e.g., Mediterranean basin; Arabian Peninsula), exhibiting a better ...
The results encourage further experimentations of this method in other periods of the year, also exploiting data provided by different satellite sensors, for better evaluating the advantages arising from ...
Author Contributions: Francesco Marchese and Nicola Pergola wrote the majority of the paper. ...
doi:10.3390/rs9060537
fatcat:edxv5bcenreolhjkfu4enmyrym
Gridded Visibility Products over Marine Environments Based on Artificial Neural Network Analysis
2019
Applied Sciences
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The results suggested that satellite-based optical thickness and numerical model-based reanalysis data can be used to infer gridded visibility values based on artificial neural network analysis, and that ...
The mean error of the inferred visibility from the artificial neural network analysis is found to be less than 8.0%. ...
[15] explored the interdecadal variability and trends of surface horizontal Vis in the urban areas of Athens. Their results showed that Vis was negatively correlated with RH. ...
doi:10.3390/app9214487
fatcat:55pngrlllncaroq4i4mv22vkpu
An overview of MATISSE-v2.0
2010
Optics in Atmospheric Propagation and Adaptive Systems XIII
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The symposium, like our other conferences and activities, would not be possible without the dedicated contribution of our participants and members. ...
Co-Sponsoring Organisations Delivered with the support of Scottish Enterprise Cooperating Organisations 3A ...
This gives us a background correlation that we use as reference to subtract from the spatial correlation in both image and far-field measurements. ...
doi:10.1117/12.868183
fatcat:5anlqspzzzcftfufaxvlr45zve
Modelling Saharan dust transport into the Mediterranean basin with CMAQ
2013
Atmospheric Environment
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It also addresses the testing of the module and its evaluation by contrasting results against satellite products such as MODIS and CALIPSO and ground-level observations of aerosol optical thickness (AOT ...
processes, which constitutes the main areas for future improvement of CMAQ capabilities to simulate particulate matter within SERCA. ...
The authors also acknowledge the use of emission datasets and monitoring data from EMEP, the Spanish and Portuguese Ministries of the Environment. ...
doi:10.1016/j.atmosenv.2013.01.013
fatcat:oqxjhhdxx5h2toj437uz56z57i
Knowledge Extracted from Copernicus Satellite Data
2019
Zenodo
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For doing this, we propose to select overlapping target areas from Synthetic Aperture Radar and multispectral images acquired with rapid succession. ...
They need to be sufficiently diverse to cover the major target areas of satellite images under varying imaging conditions and across all seasons. ...
a comprehensive network system of data management and sharing for the Scientific Investigation over the South China Sea. ...
doi:10.5281/zenodo.3941573
fatcat:zzifwgljifck5bpjnboetsftfu
Online coupled regional meteorology chemistry models in Europe: current status and prospects
2014
Atmospheric Chemistry and Physics
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Online integrated models simulate meteorology and chemistry over the same grid in one model using one main time step for integration. ...
Although mainly developed by the air quality modelling community, these models are also of interest for numerical weather prediction and regional climate modelling as they can consider not only the effects ...
Several authors of this article are grateful for the support received from the following projects: EC FP7 TRANSPHORM and PEGASOS, Nordic En-sCLIM, the RF SOL No 11.G34.31.0078 and No 14.B37.21.0880 at ...
doi:10.5194/acp-14-317-2014
fatcat:4thjulvrlrbpho36w7at7nkcie
Online coupled regional meteorology-chemistry models in Europe: current status and prospects
2013
Atmospheric Chemistry and Physics Discussions
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Online integrated models simulate meteorology and chemistry over the same grid in one model using one main time step for integration. ...
Although mainly developed by the air quality modelling community, these models are also of interest for numerical weather prediction and regional climate modelling as they can consider not only the effects ...
Several authors of this article are grateful for the support received from the following projects: EC FP7 TRANSPHORM and PEGASOS, Nordic En-sCLIM, the RF SOL No 11.G34.31.0078 and No 14.B37.21.0880 at ...
doi:10.5194/acpd-13-12541-2013
fatcat:b2lfzd5el5bwpdcohumjda4ctu
Atmospheric composition change – global and regional air quality
2009
Atmospheric Environment
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Air quality transcends all scales with in the atmosphere from the local to the global with handovers and feedbacks at each scale interaction. ...
The review discusses air quality, in terms of emissions, processing and transport of trace gases and aerosols. ...
Acknowledgements The authors would like to thank the EU ACCENT project. We would also like to thank Laura Dini and the ACCENT project office for the logistical support in assembling this review. ...
doi:10.1016/j.atmosenv.2009.08.021
fatcat:hpgsgp3ftvd7thndcqxar3komq
Predicting surface temperature variation in urban settings using real-time weather forecasts
2017
Urban Climate
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for their support, love, guidance and patience over the years. ...
, and illumination at three-minute intervals over three months. ...
Over 11 years of Landsat satellite images were collected from the year 2000 to 2011 to sum up to a total of 150 images. ...
doi:10.1016/j.uclim.2017.04.008
fatcat:zawwscteqbbkfejkocyiexdknm
Supplement to State of the Climate in 2006
2007
Bulletin of The American Meteorological Society - (BAMS)
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In Ireland, annual rainfall totals were above normal over most of the country. The United Kingdom had its driest winter since 1964. ...
France, Belgium, and the Netherlands experienced their highest negative rainfall anomalies in January and June, with totals in large parts of the country below the 10th percentile. ...
(iv) Indonesia Aerosol optical thickness maps of the areas surrounding Indonesia show above-average aerosol loadings for the boreal summer and fall that are statistically significant. ...
doi:10.1175/bams-88-6-stateoftheclimate
fatcat:3ecb7tib6zaijbwlddyakxi77e
State of the Climate in 2008
2009
Bulletin of The American Meteorological Society - (BAMS)
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Ranks are from most extensive (1) to least (ranges from 39 to 43 depending on the month). ...
, means, std dev, 2008 values, and rankings. areas are in millions of square kilometers. 1968, 1969, and 1971 have 1, 5, and 3 missing months, respectively, and thus are not in cluded in the annual (ann ...
We would like to acknowledge our sincere appreciation for the many anonymous reviewers who worked under tight deadlines and whose insights made this and future issues of the ...
doi:10.1175/bams-90-8-stateoftheclimate
fatcat:xfjuy6hjyvdtbgknshajhpxqmy
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