Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/10233
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dc.contributor.authorallZaksek, K.; University of Hamburg, CEN, Institute of Geophysics, Bundesstr. 55, 20146 Hamburg, Germanyen
dc.contributor.authorallGerst, A.; ESA, European Astronaut Centre, Linder Höhe, 51147 Köln, Germanyen
dc.contributor.authorallvon der Lieth, J.; University of Hamburg, CEN, Institute of Geophysics, Bundesstr. 55, 20146 Hamburg, Germanyen
dc.contributor.authorallGanci, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italiaen
dc.contributor.authorallHort, M.; University of Hamburg, CEN, Institute of Geophysics, Bundesstr. 55, 20146 Hamburg, Germanyen
dc.date.accessioned2016-02-23T13:16:31Zen
dc.date.available2016-02-23T13:16:31Zen
dc.date.issued2015en
dc.identifier.urihttp://hdl.handle.net/2122/10233en
dc.description.abstractThe most commonly used method for satellite cloud top height (CTH) compares brightness temperature of the cloud with the atmospheric temperature profile. Because of the uncertainties of this method, we propose a photogrammetric approach. As clouds can move with high velocities, even instruments with multiple cameras are not appropriate for accurate CTH estimation. Here we present two solutions. The first is based on the parallax between data retrieved from geostationary (SEVIRI, HRV band; 1000 m spatial resolution) and polar orbiting satellites (MODIS, band 1; 250 m spatial resolution). The procedure works well if the data from both satellites are retrieved nearly simultaneously. However, MODIS does not retrieve the data at exactly the same time as SEVIRI. To compensate for advection in the atmosphere we use two sequential SEVIRI images (one before and one after the MODIS retrieval) and interpolate the cloud position from SEVIRI data to the time of MODIS retrieval. CTH is then estimated by intersection of corresponding lines-of-view from MODIS and interpolated SEVIRI data. The second method is based on NASA program Crew Earth observations from the International Space Station (ISS). The ISS has a lower orbit than most operational satellites, resulting in a shorter minimal time between two images, which is needed to produce a suitable parallax. In addition, images made by the ISS crew are taken by a full frame sensor and not a push broom scanner that most operational satellites use. Such data make it possible to observe also short time evolution of clouds.en
dc.language.isoEnglishen
dc.relation.ispartofThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciencesen
dc.relation.ispartofseries/XL (2015)en
dc.subjectphotogrammetry, cloud top height, volcanic ash, SEVIRI, MODIS, ISSen
dc.titleCloud Photogrammetry from Spaceen
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumber247-254en
dc.identifier.URLhttp://www.int-arch-photogramm-remote-sens-spatial-inf-sci.net/XL-7-W3/247/2015/isprsarchives-XL-7-W3-247-2015.htmlen
dc.subject.INGV01. Atmosphere::01.01. Atmosphere::01.01.07. Volcanic effectsen
dc.subject.INGV04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoringen
dc.identifier.doi10.5194/isprsarchives-XL-7-W3-247-2015en
dc.description.obiettivoSpecifico3V. Dinamiche e scenari eruttivien
dc.description.journalTypeN/A or not JCRen
dc.description.fulltextopenen
dc.contributor.authorZaksek, K.en
dc.contributor.authorGerst, A.en
dc.contributor.authorvon der Lieth, J.en
dc.contributor.authorGanci, G.en
dc.contributor.authorHort, M.en
dc.contributor.departmentUniversity of Hamburg, CEN, Institute of Geophysics, Bundesstr. 55, 20146 Hamburg, Germanyen
dc.contributor.departmentESA, European Astronaut Centre, Linder Höhe, 51147 Köln, Germanyen
dc.contributor.departmentUniversity of Hamburg, CEN, Institute of Geophysics, Bundesstr. 55, 20146 Hamburg, Germanyen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italiaen
dc.contributor.departmentUniversity of Hamburg, CEN, Institute of Geophysics, Bundesstr. 55, 20146 Hamburg, Germanyen
item.openairetypearticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextopen-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
crisitem.author.deptUniversity of Hamburg, CEN, Institute of Geophysics, Bundesstr. 55, 20146 Hamburg, Germany-
crisitem.author.deptESA, European Astronaut Centre, Linder Höhe, 51147 Köln, Germany-
crisitem.author.deptUniversity of Hamburg, CEN, Institute of Geophysics, Bundesstr. 55, 20146 Hamburg, Germany-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italia-
crisitem.author.orcid0000-0002-9914-1107-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.classification.parent01. Atmosphere-
crisitem.classification.parent04. Solid Earth-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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