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Πεδίο DCΤιμήΓλώσσα
dc.contributor.authorRetalis, Adrianos-
dc.contributor.authorHadjimitsis, Diofantos G.-
dc.contributor.authorMichaelides, Silas-
dc.contributor.authorTymvios, Filippos S.-
dc.contributor.authorChrysoulakis, Nektarios-
dc.contributor.authorThemistocleous, Kyriacos-
dc.contributor.authorClayton, C. R I-
dc.date.accessioned2012-10-23T13:25:01Zen
dc.date.accessioned2013-05-17T05:21:58Z-
dc.date.accessioned2015-12-02T09:49:00Z-
dc.date.available2012-10-23T13:25:01Zen
dc.date.available2013-05-17T05:21:58Z-
dc.date.available2015-12-02T09:49:00Z-
dc.date.issued2010-03-05-
dc.identifier.citationNatural Hazards and Earth System Sciences, 2010, vol. 10, pp. 421–428en_US
dc.identifier.issn16849981-
dc.identifier.urihttps://hdl.handle.net/20.500.14279/1835-
dc.description.abstractThe monitoring of aerosol concentrations comprises a high environmental priority, particularly in urban areas. Remote sensing of atmospheric aerosol optical thickness (AOT) could be used to assess particulate matter levels at the ground. However, such measurements often need further validation. In this study, aerosol data retrieved from satellite and sun-photometer, on the one hand, and visibility data at various locations in Cyprus, on the other hand, for the period from January to June 2009 are contrasted. The results obtained by the direct comparison between MODIS and handheld sun-photometer AOT data exhibited a significant correlation (r=0.83); these results are in agreement with those reported by the National Aeronautics and Space Administration (NASA). The correlation between sun-photometer AOT and that estimated from visibility measurements was also significant (r=0.76). A direct and significant relationship between MODIS AOT and AOT estimated from visibility values was also found for all the locations used (the correlation coefficient was found to vary from 0.80 to 0.84). It is concluded that MODIS AOT data provide accurate information on the aerosol content in Cyprus, while in the absence of such data, visibility measurements could be used as a secondary source of aerosol load information, in terms of aerosol optical thickness, and provide useful information on a near-real time basis, whenever data are available.en_US
dc.formatpdfen_US
dc.language.isoenen_US
dc.relation.ispartofNatural Hazards and Earth System Sciencesen_US
dc.rights© Author(s)en_US
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/us/*
dc.subjectAtmospheric aerosolsen_US
dc.subjectUrban atmosphereen_US
dc.titleComparison of aerosol optical thickness with in situ visibility data over Cyprusen_US
dc.typeArticleen_US
dc.collaborationNational Observatory of Athensen_US
dc.collaborationCyprus University of Technologyen_US
dc.collaborationMeteorological Service of Cyprusen_US
dc.collaborationUniversity of Southamptonen_US
dc.subject.categoryEnvironmental Engineeringen_US
dc.journalsOpen Accessen_US
dc.countryGreeceen_US
dc.countryCyprusen_US
dc.countryUnited Kingdomen_US
dc.subject.fieldEngineering and Technologyen_US
dc.publicationPeer Revieweden_US
dc.identifier.doi10.5194/nhess-10-421-2010en_US
dc.dept.handle123456789/148en
dc.relation.volume10en_US
cut.common.academicyear2010-2011en_US
dc.identifier.spage421en_US
dc.identifier.epage428en_US
item.fulltextWith Fulltext-
item.languageiso639-1en-
item.grantfulltextopen-
item.openairecristypehttp://purl.org/coar/resource_type/c_6501-
item.cerifentitytypePublications-
item.openairetypearticle-
crisitem.journal.journalissn1684-9981-
crisitem.journal.publisherEuropean Geosciences Union-
crisitem.author.deptDepartment of Civil Engineering and Geomatics-
crisitem.author.deptDepartment of Civil Engineering and Geomatics-
crisitem.author.deptDepartment of Civil Engineering and Geomatics-
crisitem.author.facultyFaculty of Engineering and Technology-
crisitem.author.facultyFaculty of Engineering and Technology-
crisitem.author.facultyFaculty of Engineering and Technology-
crisitem.author.orcid0000-0002-2684-547X-
crisitem.author.orcid0000-0002-3853-5065-
crisitem.author.orcid0000-0003-4149-8282-
crisitem.author.parentorgFaculty of Engineering and Technology-
crisitem.author.parentorgFaculty of Engineering and Technology-
crisitem.author.parentorgFaculty of Engineering and Technology-
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