Arid
DOI10.1080/01431160903283868
The combined use of satellite data, air-mass trajectories and model applications for monitoring dust transport over Athens, Greece
Kaskaoutis, Dimitrios G.2; Nastos, Panagiotis T.1; Kosmopoulos, Panagiotis G.1; Kambezidis, Harry D.2
通讯作者Nastos, Panagiotis T.
来源期刊INTERNATIONAL JOURNAL OF REMOTE SENSING
ISSN0143-1161
EISSN1366-5901
出版年2010
卷号31期号:19页码:5089-5109
英文摘要

This study focused on Saharan dust (SD) events over Athens, Greece, based on measurements of the daily aerosol optical depth at 550 nm (AOD550) and the fine-mode fraction (FM) derived from Terra Moderate Resolution Imaging Spectroradiometer (MODIS) observations. Back-trajectories ending at Athens at altitudes of 500, 1000 and 4000m were calculated by means of the Hybrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT) model. Several criteria were taken into account to identify the SD events. According to these criteria and the altitudes of the air masses, three dust transport mechanisms were identified: (1) vertical transport (VT), including the whole atmospheric column, (2) upper atmosphere transport (UAT), above the atmospheric boundary layer, and (3) boundary layer transport (BLT), only within the lower atmospheric levels. The Aerosol Index (AI) derived from Total Ozone Mapping Spectrometer (TOMS) data was found to be adequate for characterization of the dust load over Athens, while higher values of the AI were found in cases where the dust was transported in the upper atmosphere. The predictions of the Dust Regional Atmospheric Model (DREAM) were consistent with the satellite observations and back trajectories, indicating the suitability of the model for monitoring dust transport over the Mediterranean. The analysis presents three case studies, one for each transport mechanism, where the aerosol field deduced from satellites and models is presented over the Eastern Mediterranean. In conclusion, this study shows that the combination of remote sensing measurements and back-trajectory calculations constitutes a powerful tool for the identification of SD events over Athens, while modelling can monitor the spread of the dust.


类型Article
语种英语
国家Greece
收录类别SCI-E
WOS记录号WOS:000282682900005
WOS关键词AEROSOL OPTICAL-PROPERTIES ; LONG-RANGE TRANSPORT ; SAHARAN DUST ; MODIS DATA ; ULTRAVIOLET-RADIATION ; VERTICAL-DISTRIBUTION ; MEDITERRANEAN ISLAND ; DESERT DUST ; IMPACT ; LAMPEDUSA
WOS类目Remote Sensing ; Imaging Science & Photographic Technology
WOS研究方向Remote Sensing ; Imaging Science & Photographic Technology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/164703
作者单位1.Univ Athens, Fac Geol & Geoenvironm, Lab Climatol & Atmospher Environm, GR-15784 Athens, Greece;
2.Natl Observ Athens, Atmospher Res Team, Inst Environm Res & Sustainable Dev, GR-11810 Athens, Greece
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GB/T 7714
Kaskaoutis, Dimitrios G.,Nastos, Panagiotis T.,Kosmopoulos, Panagiotis G.,et al. The combined use of satellite data, air-mass trajectories and model applications for monitoring dust transport over Athens, Greece[J],2010,31(19):5089-5109.
APA Kaskaoutis, Dimitrios G.,Nastos, Panagiotis T.,Kosmopoulos, Panagiotis G.,&Kambezidis, Harry D..(2010).The combined use of satellite data, air-mass trajectories and model applications for monitoring dust transport over Athens, Greece.INTERNATIONAL JOURNAL OF REMOTE SENSING,31(19),5089-5109.
MLA Kaskaoutis, Dimitrios G.,et al."The combined use of satellite data, air-mass trajectories and model applications for monitoring dust transport over Athens, Greece".INTERNATIONAL JOURNAL OF REMOTE SENSING 31.19(2010):5089-5109.
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