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Cloud mapping with ground-based photogrammetric cameras / G. Seiz in International Journal of Remote Sensing IJRS, vol 28 n° 9 (May 2007)  

Public [article]  inInternational Journal of Remote Sensing IJRS > vol 28 n° 9 (May 2007) . - pp 2001 - 2032 Titre : Cloud mapping with ground-based photogrammetric cameras Type de document : Article/Communication Auteurs : G. Seiz, Auteur ; J. Shields, Auteur ; et al., Auteur Année de publication : 2007 Article en page(s) : pp 2001 - 2032 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Photogrammétrie numérique [Termes IGN] caméra numérique [Termes IGN] données météorologiques [Termes IGN] étalonnage géométrique [Termes IGN] étalonnage radiométrique [Termes IGN] modèle stéréoscopique [Termes IGN] nuage [Termes IGN] visualisation 3D Résumé : (Auteur) Ground-based digital imager systems in the visible and near infrared region of the solar spectrum have the potential to nicely complement existing instruments and observation networks of National Weather Services with very accurate, high spatial and temporal resolution, 2D and 3D macroscopic cloud data such as cloud amount, cloud-base height and 3D cloud-base motion. This paper discusses two current approaches to ground-based cloud sensing: the prototype instrument used at ETH/MeteoSwiss within Cloudmap and Cloudmap2 for stereoscopy tests, and a Daylight Visible/NIR Whole Sky Imager (WSI) system developed and fielded by the Scripps Institution of Oceanography (SIO). The article includes descriptions of the radiometric and geometric calibration methods. Cloud amount, cloud-base height and cloud-base motion results from two ETH/MeteoSwiss measurement campaigns and from the operational WSI use at the German Weather Service (DWD) are shown. Finally, a case study with coincident satellite and ground data illustrates that ground-based digital imager systems are an interesting technique to validate satellite-based cloud-top heights and cloud-top motion winds of vertically thin clouds. Copyright Taylor & Francis Numéro de notice : A2007-279 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/01431160600641822 En ligne : https://doi.org/10.1080/01431160600641822 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28642 [article]

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