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Πεδίο DCΤιμήΓλώσσα
dc.contributor.authorPapayannis, Alexandros D.-
dc.contributor.authorTsaknakis, Georgios-
dc.contributor.authorMamouri, Rodanthi-Elisavet-
dc.date.accessioned2013-03-08T13:59:11Zen
dc.date.accessioned2013-05-17T05:22:43Z-
dc.date.accessioned2015-12-02T10:11:22Z-
dc.date.available2013-03-08T13:59:11Zen
dc.date.available2013-05-17T05:22:43Z-
dc.date.available2015-12-02T10:11:22Z-
dc.date.issued2008-
dc.identifier.citationOptica Pura y Aplicada, 2008, vol. 41, iss. 2, pp. 109-116en_US
dc.identifier.issn00303917-
dc.identifier.urihttps://hdl.handle.net/20.500.14279/1536-
dc.description.abstractWater vapor is one of the most important greenhouse gases, since it causes about two third of the natural greenhouse effect of the Earth's atmosphere. To improve the understanding of the role of the water vapor in the atmosphere, extensive water vapor profiles with high spatio-temporal resolution are, therefore, necessary. A recently install ground-based Raman lidar system is used to perform systematic water vapor measurements in the lower troposphere (500-5000 m asl.) over Athens, Greece (37.9°N, 23.6°E, 200 m asl.) since September 2006. Water vapor mixing ratio measurements are retrieved from simultaneous inelastic H2O and N2 Raman backscatter lidar signals at 387 nm (from atmospheric N2) and 407 nm (from H2O). The lidar observations are intercompared with radiosonde data obtained at the "Hellinikon" airport (37. 54° N, 23.44° E, 15m asl.) by the Hellenic Meteorological Service (HMS). First preliminary results of the systematic intercomparison between water vapor profiles derived, simultaneously, by our Raman lidar and by the HMS radiosondes are presented and show that the absolute differences generally remain less than 10% up to 5000 m height. Selected cases of water vapor vertical distributions in the troposphere are presented extensively and discussed, in conjunction with water vapor data obtained by the AIRS spaceborn sensors.en_US
dc.formatpdfen_US
dc.language.isoenen_US
dc.relation.ispartofOptica Pura y Aplicadaen_US
dc.rights© Sociedad Española de Ópticaen_US
dc.subjectOptical radaren_US
dc.subjectWater vaporen_US
dc.subjectBackscatteringen_US
dc.subjectGasesen_US
dc.titleFirst water vapor measurement over Athens, Greece, obtained by a combined Raman-elastic backscatter lidar systemen_US
dc.typeArticleen_US
dc.affiliationNational Technical University Of Athensen
dc.linkhttps://www.sedoptica.es/Menu_Volumenes/opavols.php?volumen=41&numero=2en_US
dc.collaborationNational Technical University Of Athensen_US
dc.collaborationInstitute for Astronomy and Astrophysics Space Applications and Remote Sensingen_US
dc.collaborationAristotle University of Thessalonikien_US
dc.subject.categoryPhysical Sciencesen_US
dc.journalsSubscriptionen_US
dc.countryGreeceen_US
dc.subject.fieldNatural Sciencesen_US
dc.publicationPeer Revieweden_US
dc.dept.handle123456789/54en
dc.relation.issue2en_US
dc.relation.volume41en_US
cut.common.academicyear2007-2008en_US
dc.identifier.spage109en_US
dc.identifier.epage116en_US
item.fulltextNo Fulltext-
item.languageiso639-1en-
item.grantfulltextnone-
item.openairecristypehttp://purl.org/coar/resource_type/c_6501-
item.cerifentitytypePublications-
item.openairetypearticle-
crisitem.author.deptDepartment of Civil Engineering and Geomatics-
crisitem.author.facultyFaculty of Engineering and Technology-
crisitem.author.orcid0000-0003-4836-8560-
crisitem.author.parentorgFaculty of Engineering and Technology-
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