Relevant bibliographies by topics / Ash clouds

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Ash clouds'

Author: Grafiati
Published: 11 December 2022
Last updated: 31 July 2025

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Journal articles on the topic "Ash clouds"

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de Laat, Adrianus, Margarita Vazquez-Navarro, Nicolas Theys, and Piet Stammes. "Analysis of properties of the 19 February 2018 volcanic eruption of Mount Sinabung in S5P/TROPOMI and Himawari-8 satellite data." Natural Hazards and Earth System Sciences 20, no. 5 (2020): 1203–17. http://dx.doi.org/10.5194/nhess-20-1203-2020.

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Abstract. This study presents an analysis of TROPOMI cloud heights as a proxy for volcanic plume heights in the presence of absorbing aerosols and sulfur dioxide for the 19 February 2018 eruption plume of the Sinabung volcano on Sumatra, Indonesia. Comparison with CALIPSO satellite data shows that all three TROPOMI cloud height data products based on oxygen absorption which are considered here (FRESCO, ROCINN, O22CLD) provide volcanic ash cloud heights comparable to heights measured by CALIPSO for optically thick volcanic ash clouds. FRESCO and ROCINN heights are very similar, with the only di
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Kylling, A., N. Kristiansen, A. Stohl, R. Buras-Schnell, C. Emde, and J. Gasteiger. "Impact of meteorological clouds on satellite detection and retrieval of volcanic ash during the Eyjafjallajökull 2010 and Grímsvötn 2011 eruptions: a modelling study." Atmospheric Measurement Techniques Discussions 7, no. 11 (2014): 11303–43. http://dx.doi.org/10.5194/amtd-7-11303-2014.

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Abstract. Volcanic ash is commonly observed by infrared detectors on board Earth orbiting satellites. In the presence of ice and/or liquid water clouds the detected volcanic ash signature may be altered. In this paper the effect of ice and liquid water clouds on detection and retrieval of volcanic ash is quantified by simulating synthetic equivalents to satellite infrared images with a 3-D radiative transfer model. The simulations were made both with and without realistic water and ice clouds taken from European Centre for Medium-Range Weather Forecast (ECMWF) analysis data. The volcanic ash c
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Perkins, Sid. "Ash Clouds." Science News 164, no. 25/26 (2003): 388. http://dx.doi.org/10.2307/4019013.

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Grant, A. L. M., H. F. Dacre, D. J. Thomson, and F. Marenco. "Horizontal and vertical structure of the Eyjafjallajökull ash cloud over the UK: a comparison of airborne lidar observations and simulations." Atmospheric Chemistry and Physics 12, no. 21 (2012): 10145–59. http://dx.doi.org/10.5194/acp-12-10145-2012.

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Abstract. During April and May 2010 the ash cloud from the eruption of the Icelandic volcano Eyjafjallajökull caused widespread disruption to aviation over northern Europe. The location and impact of the eruption led to a wealth of observations of the ash cloud were being obtained which can be used to assess modelling of the long range transport of ash in the troposphere. The UK FAAM (Facility for Airborne Atmospheric Measurements) BAe-146-301 research aircraft overflew the ash cloud on a number of days during May. The aircraft carries a downward looking lidar which detected the ash layer thro
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Kylling, Arve. "Ash and ice clouds during the Mt Kelud February 2014 eruption as interpreted from IASI and AVHRR/3 observations." Atmospheric Measurement Techniques 9, no. 5 (2016): 2103–17. http://dx.doi.org/10.5194/amt-9-2103-2016.

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Abstract. During the Mt Kelud February 2014 eruption the ash cloud was detectable on 13–14 February in the infrared with the reverse absorption technique by, for example, the Advanced Very High Resolution Radiometer (AVHRR/3). The Infrared Atmospheric Sounding Interferometer (IASI) observed the ash cloud also on 15 February when AVHRR did not detect any ash signal. The differences between ash detection with AVHRR/3 and IASI are discussed along with the reasons for the differences, supported by radiative transfer modelling. The effect of concurrent ice clouds on the ash detection and the ash si
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Piontek, Dennis, Luca Bugliaro, Marius Schmidl, Daniel K. Zhou, and Christiane Voigt. "The New Volcanic Ash Satellite Retrieval VACOS Using MSG/SEVIRI and Artificial Neural Networks: 1. Development." Remote Sensing 13, no. 16 (2021): 3112. http://dx.doi.org/10.3390/rs13163112.

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Volcanic ash clouds are a threat to air traffic security and, thus, can have significant societal and financial impact. Therefore, the detection and monitoring of volcanic ash clouds to enhance the safety of air traffic is of central importance. This work presents the development of the new retrieval algorithm VACOS (Volcanic Ash Cloud properties Obtained from SEVIRI) which is based on artificial neural networks, the thermal channels of the geostationary sensor MSG/SEVIRI and auxiliary data from a numerical weather prediction model. It derives a pixel classification as well as cloud top height
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Kylling, A., N. Kristiansen, A. Stohl, R. Buras-Schnell, C. Emde, and J. Gasteiger. "A model sensitivity study of the impact of clouds on satellite detection and retrieval of volcanic ash." Atmospheric Measurement Techniques 8, no. 5 (2015): 1935–49. http://dx.doi.org/10.5194/amt-8-1935-2015.

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Abstract. Volcanic ash is commonly observed by infrared detectors on board Earth-orbiting satellites. In the presence of ice and/or liquid-water clouds, the detected volcanic ash signature may be altered. In this paper the sensitivity of detection and retrieval of volcanic ash to the presence of ice and liquid-water clouds was quantified by simulating synthetic equivalents to satellite infrared images with a 3-D radiative transfer model. The sensitivity study was made for the two recent eruptions of Eyjafjallajökull (2010) and Grímsvötn (2011) using realistic water and ice clouds and volcanic
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Kylling, A., R. Buras, S. Eckhardt, C. Emde, B. Mayer, and A. Stohl. "Simulation of SEVIRI infrared channels: a case study from the Eyjafjallajökull April/May 2010 eruption." Atmospheric Measurement Techniques 6, no. 3 (2013): 649–60. http://dx.doi.org/10.5194/amt-6-649-2013.

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Abstract. Infrared satellite images are widely and successfully used to detect and follow atmospheric ash from erupting volcanoes. We describe a new radiative transfer model framework for the simulation of infrared radiances, which can be compared directly with satellite images. This can be helpful to get insight into the processes that affect the satellite retrievals. As input to the radiative transfer model, the distribution of ash is provided by simulations with the FLEXPART Lagrangian particle dispersion model, meteorological cloud information is adopted from the ECMWF analysis and the rad
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LaRoche, Kendell T., and Timothy J. Lang. "Observations of Ash, Ice, and Lightning within Pyrocumulus Clouds Using Polarimetric NEXRAD Radars and the National Lightning Detection Network." Monthly Weather Review 145, no. 12 (2017): 4899–910. http://dx.doi.org/10.1175/mwr-d-17-0253.1.

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A pyrocumulus is a convective cloud that can develop over a wildfire. Under certain conditions, pyrocumulus clouds become vertically developed enough to produce lightning. NEXRAD dual-polarization weather radar and upgraded National Lightning Detection Network (NLDN) data were used to analyze 10 case studies of ash plumes and pyrocumulus clouds from 2013 that either did or did not produce detected lightning. Past research has shown that pyrocumulus cases are most likely to produce lightning when there is a decrease in differential reflectivity (toward 0 dB) and an increase in the correlation c
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Wang, P., O. N. E. Tuinder, L. G. Tilstra, and P. Stammes. "Interpretation of FRESCO cloud retrievals in case of absorbing aerosol events." Atmospheric Chemistry and Physics Discussions 11, no. 12 (2011): 32685–721. http://dx.doi.org/10.5194/acpd-11-32685-2011.

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Abstract. Cloud and aerosol information is needed in trace gas retrievals from satellite measurements. The Fast REtrieval Scheme for Clouds from the Oxygen A band (FRESCO) cloud algorithm employs reflectance spectra of the O2 A band around 760 nm to derive cloud pressure and effective cloud fraction. In general, clouds contribute more to the O2 A band reflectance than aerosols. Therefore, the FRESCO algorithm does not correct for aerosol effects in the retrievals and attributes the retrieved cloud information entirely to the presence of clouds, and not to aerosols. For events with high aerosol
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Dissertations / Theses on the topic "Ash clouds"

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Watson, Elizabeth Jane. "Using cryptotephra layers to understand volcanic ash clouds." Thesis, University of Leeds, 2016. http://etheses.whiterose.ac.uk/13386/.

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The aim of this thesis is to evaluate the use of microscopic volcanic ash (‘cryptotephra’) layers for providing information on the timing, characteristics and spatial extent of past volcanic ash clouds. The fine ash produced by explosive eruptions can travel long distances and even in low concentrations represents a hazard for aviation. Understanding the frequency and nature of ash clouds is important if economic and social losses are to be mitigated. This thesis is split into two research compartments. Compartment 1 focusses on understanding the limits of tephrochronology and investigates cry
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Poret, Matthieu <1989&gt. "Modelling ash cloud dispersion and the impact of ash aggregation during volcanic eruptions." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amsdottorato.unibo.it/8633/1/Poret_Matthieu_Tesi_Revised.pdf.

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Improvements for characterizing eruption processes are made commonly through field or remote-sensing measurements, lab experiments and numerical models. However, the main volcanological parameters inter-dependency makes challenging the assessment of tephra dispersion and sedimentation, from which mass eruption rate, total erupted mass, and Total Grain-Size Distribution (TGSD) are typically estimated. This thesis aims at better constraining Eruption Source Parameters (ESP) and in particular the TGSD, usually derived from field sample analysis. The estimation of very fine ash (i.e. < 30 μm) frac
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Skoglund, Eric. "Recent Icelandic Tephra in a Swedish Peat Deposit." Thesis, Stockholms universitet, Institutionen för naturgeografi och kvartärgeologi (INK), 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-79134.

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Two eruptions from Icelandic volcanoes have in the last years caused widespread dispersalof volcanic ash in the atmosphere. The transportation of tephra from Iceland to mainlandEurope is not an uncommon event and it can cause large disruptions to society. In thisthesis I present the ndings of a tephrochronological study of recent sediment from a bogcalled Trolls mosse in southern Sweden. The results show the presence of recent tephrafrom what is most likely the Grímsvötn eruption in May 2011, but geochemical analysisof the tephra could not conrm the exact origin of it, and a possibility that t
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Klimt, Roman. "Informační systémy v éře cloud computingu." Master's thesis, Vysoká škola ekonomická v Praze, 2011. http://www.nusl.cz/ntk/nusl-124798.

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This thesis is focused on cloud computing and its impact on enterprise resource planning information systems. The historical background of cloud computing is discussed in the first of the thesis. After that, analysis of all possible services and types of cloud computing are provided. In this first part of this thesis, there is also an analysis of cloud computing providers who provide one of the possible cloud computing service - Infrastructure as a Service(IaaS). This thesis evaluates IaaS providers based on suggested methodology. According to this methodology each provider is ranked and the p
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Gueugneau, Valentin. "Etude de la formation et de la mise en place des déferlantes pyroclastiques par modélisations numérique et expérimentale." Thesis, Université Clermont Auvergne‎ (2017-2020), 2018. http://www.theses.fr/2018CLFAC050/document.

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Les écoulements pyroclastiques sont des écoulements volcaniques complexes dont le comportement physique fait encore l'objet de débats. Ils sont composés de deux parties : l'écoulement dense basal, riche en particules et en blocs, surmonté par la déferlante, diluée et turbulente. Les interactions entre ces deux parties ne sont pas bien comprises, tout comme leurs échanges de masses et de quantités de mouvement. Partant de ce constat, cette thèse se concentre sur l’étude des mécanismes de formation de la déferlante à partir de l’écoulement dense.Les expériences mettent en évidence un mécanisme d
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Hammar, Karl. "Orders From the Cloud : Business Integration as a Service." Thesis, Jönköping University, JIBS, Business Informatics, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-10159.

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<p>This thesis describes the development of a SOA-based architecture for integrating large EDI-using manufacturing companies purchasing processes with smaller non-EDI capable manufacturing companies, using online services.</p><p>The underlying need for this project lies with the fact that these small manufacturing companies risk to miss out on business, due to their inability to communicate via the industry standard EDI format. At the same time, getting EDI-capable involves significant investments in software licenses, connectivity services and consulting or training that these small companies
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Šapovalov, Tomáš. "Budoucnost outsourcingu IT v době SaaS." Master's thesis, Vysoká škola ekonomická v Praze, 2011. http://www.nusl.cz/ntk/nusl-85131.

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Information technologies develop very quickly. And in the same way should be changed the companie's attitude to them. But the question is whether this is actually happening. If the companies and their employees are able to adapt to new technologies as quickly as these technologies arise. One of the phenomena of recent years is delivering applications through Software As A Service (SaaS). This concept is closely linked with the issue of Cloud computing and its use can be solved by outsourcing corporate IT structure. So here we meet three very exposed concepts. But their terms are often used con
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Jurica, Martin. "SaaS ve firemním ICT - důsledky, změny, příležitosti." Master's thesis, Vysoká škola ekonomická v Praze, 2011. http://www.nusl.cz/ntk/nusl-72606.

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This thesis is focused on analyzing the current state of SaaS (Software as a Service) and impact of SaaS on corporate's ICT as a whole. The aim is to explain the concepts and implications of modern forms of providing services, to describe and to evaluate their benefits and risks and to assess future developments in this area. The attention will be paid on specifics of the environment of Czech companies. The first part of this work deals with the current SaaS solutions and related technologies. Emphasis is placed on acquainting the reader with currently available (or introduced by mid-2011) tec
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ZUCCHETTI, FIONA. "Transposon based technology in DHFR knockout CHO cell line improves generation of AMH high producing clones for industrial applications." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2018. http://hdl.handle.net/10281/198952.

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In ricerca ed in applicazione industriale la richiesta di proteine ricombinanti è in continua crescita; vengono investite sempre più risorse per sviluppare un sistema efficace in grado di ottenere un’elevata espressione proteica.Le cellule di mammifero sono l’ospite di elezione per lo sviluppo di proteine ricombinanti in quanto ne garantiscono la qualità.Linee cellulari CHO deficitarie dell’enzima diidrofolato reduttasi(DHFR) sono molto diffuse come sistema di espressione.In tali linee, il DHFR, un enzima essenziale coinvolto nella sintesi di purine, viene sfruttato come marker di selezione. È
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Waak, Elisabet. "Listeria monocytogenes : farm and dairy studies /." Uppsala : Dept. of Food Hygiene, Swedish Univ. of Agricultural Sciences ([Institutionen för livsmedelshygien], Sveriges lantbruksuniv.), 2002. http://epsilon.slu.se/avh/2002/91-576-6376-9.pdf.

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Books on the topic "Ash clouds"

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Organization, International Civil Aviation. Manual on volcanic ash, radioactive material, and toxic chemical clouds. International Civil Aviation Organization, 2001.

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United States. National Aeronautics and Space Administration., ed. Ground truth spectrometry and imagery of eruption clouds to maximize utility of satellite imagery. Geological Engineering, Geology, and Geophysics, Michigan Technological University, 1993.

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United States. National Aeronautics and Space Administration., ed. Ground truth spectrometry and imagery of eruption clouds to maximize utility of satellite imagery. Geological Engineering, Geology, and Geophysics, Michigan Technological University, 1993.

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United States. Congress. House. Committee on Science and Technology (2007). Subcommittee on Space and Aeronautics. Mitigating the impact of volcanic ash clouds on aviation: What do we need to know? : hearing before the Subcommittee on Space and Aeronautics, Committee on Science and Technology, House of Representatives, One Hundred Eleventh Congress, second session, May 5, 2010. U.S. G.P.O., 2010.

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H, Sommerstein Alan, Dover Kenneth James, and Tremewan Simon, eds. Clouds, Acharnians, Lysistrata: A companion to the Penguin translation of A.H. Sommerstein. Bristol Classical Press, 1989.

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E, Kayen Robert, and Geological Survey (U.S.), eds. Static and cyclic strength properties of Mount St. Helens debris avalanche and ash cloud materials. U.S. Dept. of the Interior, Geological Survey, 1985.

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E, Kayen Robert, and Geological Survey (U.S.), eds. Static and cyclic strength properties of Mount St. Helens debris avalanche and ash cloud materials. U.S. Dept. of the Interior, Geological Survey, 1985.

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Graziani, Michela, Lapo Casetti, and Salomé Vuelta García, eds. Nel segno di Magellano tra terra e cielo. Firenze University Press, 2021. http://dx.doi.org/10.36253/978-88-5518-467-0.

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This miscellaneous volume aims to commemorate the Iberian and European celebrations about Magellan that started in 2019. Specifically, the volume commemorates: the person and the image of Magellan on earth (celebrating the 500 years of his circumnavigation of the Earth) and in the universe (remembering the two Magellanic clouds); the Eddington’s journey and the Apollo XI flight to the moon, through many essays that investigate the concept of travel in its several attitudes (explorative, scientific, philosophical, introspective, literary) in Sciences and Humanities, from ancient to contemporary
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Blanuca, Viktor, Leonid Bezrukov, Egor Sherin, and Anatoliy Yakobson. Public geography: Digital priorities of the XXI century. INFRA-M Academic Publishing LLC., 2022. http://dx.doi.org/10.12737/1863096.

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Social geography, aimed at understanding the territorial organization of society, has a number of digital priorities that have not been analyzed before. They are related to the objects and methods of research, as well as to the methods of visualization and the areas of application of the results obtained.&#x0D; The monograph analyzes the world experience of socio-geographical study of platform economy, telecommunication networks and "smart cities", the use of data mining, models of spatial diffusion of innovations and zoning, visualization through cartographic image, dendrogram and tag cloud,
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Surkova, Galina. Atmospheric chemistry. INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/1079840.

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The textbook contains material corresponding to the course of lectures on atmospheric chemistry prepared for students studying meteorology and climatology. The basic concepts of atmospheric chemistry are given, its gaseous components, as well as aerosols and chemical processes related to their life cycles, which are important from the point of view of the formation of the radiation, temperature and dynamic regime of the atmosphere, as well as its pollution, are considered. The main regularities of the transport of impurities in the atmosphere and the role of processes of different spatial and
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Book chapters on the topic "Ash clouds"

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Navarro-González, Rafael, Vladimir A. Basiuk, and Marcos Rosenbaum. "Lightning Associated to Archean Volcanic Ash-Gas Clouds." In Chemical Evolution: Physics of the Origin and Evolution of Life. Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-1712-5_9.

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Marzano, Frank S. "Weather Radar Remote Sensing of Volcanic Ash Clouds for Aviation Hazard and Civil Protection Applications." In Integrated Ground-Based Observing Systems. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-12968-1_11.

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Sawada, Y. "Detection of Explosive Eruptions and Regional Tracking of Volcanic Ash Clouds with Geostationary Meteorological Satellite (GMS)." In Monitoring and Mitigation of Volcano Hazards. Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/978-3-642-80087-0_9.

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Bridel, David, and Mike Funt. "Ash Perrin." In Send in the Clowns. Routledge, 2024. http://dx.doi.org/10.4324/9781003294856-18.

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Yu, Tianxu, and William I. Rose. "Retrieval of sulfate and silicate ash masses in young (1 to 4 days old) eruption clouds using multiband infrared HIRS/2 data." In Remote Sensing of Active Volcanism. American Geophysical Union, 2000. http://dx.doi.org/10.1029/gm116p0087.

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Castro-Leon, Enrique, and Robert Harmon. "Bare Metal Clouds." In Cloud as a Service. Apress, 2016. http://dx.doi.org/10.1007/978-1-4842-0103-9_7.

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Li, Cheng Fan, Lan Liu, Xian Kun Sun, Jun Juan Zhao, Yuan Yuan, and Jing Yuan Yin. "Spatiotemporal Evolution Simulation of Volcanic Ash Cloud from Remote Sensing Image." In Recent Trends in Intelligent Computing, Communication and Devices. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-9406-5_51.

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Webley, Peter. "Role of Uncertainty in Decision Support for Volcanic Ash Cloud Modeling." In Natural Hazard Uncertainty Assessment. John Wiley & Sons, Inc., 2016. http://dx.doi.org/10.1002/9781119028116.ch5.

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Mills, Franklin P., Larry W. Esposito, and Yuk L. Yung. "Atmospheric composition, chemistry, and clouds." In Exploring Venus as a Terrestrial Planet. American Geophysical Union, 2007. http://dx.doi.org/10.1029/176gm06.

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Castro-Leon, Enrique, and Robert Harmon. "Cloud Computing as a Service." In Cloud as a Service. Apress, 2016. http://dx.doi.org/10.1007/978-1-4842-0103-9_1.

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Conference papers on the topic "Ash clouds"

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Hioki, Souichiro, Takuya Funatomi, Makiko Nakata, Sonoyo Mukai, and Masatsugu Kidode. "Stereoscopic height estimation of biomass burning aerosol and volcanic ash plumes by the second-generation global imager (SGLI)." In Remote Sensing of Clouds and the Atmosphere XXIX, edited by Evgueni I. Kassianov and Simone Lolli. SPIE, 2024. http://dx.doi.org/10.1117/12.3031574.

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S, Suganya, and Buvana M. "Autism Spectrum Disorder (ASD) Classification using Deep Learning." In 2024 8th International Conference on I-SMAC (IoT in Social, Mobile, Analytics and Cloud) (I-SMAC). IEEE, 2024. http://dx.doi.org/10.1109/i-smac61858.2024.10714781.

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Liang, Jing, Libo Wang, and Peiya Li. "Fine-Grained Privacy-Preserving Image Retrieval in Cloud Environment." In 2024 Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC). IEEE, 2024. https://doi.org/10.1109/apsipaasc63619.2025.10848759.

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Dunn, Michael G., Adam J. Baran, and Jerry Miatech. "Operation of Gas Turbine Engines in Volcanic Ash Clouds." In ASME 1994 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1994. http://dx.doi.org/10.1115/94-gt-170.

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Results are reported for a technology program designed to determine the behavior of gas turbine engines when operating in particle-laden clouds. There are several ways that such clouds may be created, i.e., explosive volcanic eruption, sand storm, military conflict, etc. The response of several different engines, among them the Pratt &amp; Whitney JT3D turbofan, the Pratt &amp; Whitney J57 turbojet, a Pratt &amp; Whitney engine of the JT9 vintage, and an engine of the General Electric CF6 vintage has been determined. The particular damage mode that will be dominant when an engine experiences a
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Picchiani, M., M. Chini, L. Merucci, S. Corradini, A. Piscini, and F. Del Frate. "Automatic monitoring of ash and meteorological clouds by Neural Networks." In IGARSS 2015 - 2015 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2015. http://dx.doi.org/10.1109/igarss.2015.7326905.

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Pflug, Bringfried. "Estimation of optical thickness of volcanic ash clouds using satellite data." In SPIE Europe Remote Sensing, edited by Richard H. Picard, Klaus Schäfer, Adolfo Comeron, and Michiel van Weele. SPIE, 2009. http://dx.doi.org/10.1117/12.830379.

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MATSON, M. "Detection and tracking of volcanic ash clouds by meteorological satellite systems." In 23rd Aerospace Sciences Meeting. American Institute of Aeronautics and Astronautics, 1985. http://dx.doi.org/10.2514/6.1985-99.

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Mereu, L., S. Scollo, C. Bonadonna, et al. "Observations and Retrievals of Volcanic Ash Clouds Using Ground- and Satellite-Based Sensors." In 2023 17th European Conference on Antennas and Propagation (EuCAP). IEEE, 2023. http://dx.doi.org/10.23919/eucap57121.2023.10132923.

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Marzano, Frank S., Luigi Mereu, Saverio Mori, Mario Montopoli, Errico Picciotti, and Giovanni Martucci. "Microwave and optical active remote sensing signatures of volcanic ash clouds from ground." In 2012 Tyrrhenian Workshop on Advances in Radar and Remote Sensing (TyWRRS 2012). IEEE, 2012. http://dx.doi.org/10.1109/tywrrs.2012.6381151.

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Münkel, Christoph, Klaus Schäfer, and Stefan Emeis. "Investigation of boundary layer dynamics, dust and volcanic ash clouds with laser ceilometer." In SPIE Remote Sensing, edited by Adolfo Comeron, Evgueni I. Kassianov, Klaus Schäfer, Karin Stein, and John D. Gonglewski. SPIE, 2013. http://dx.doi.org/10.1117/12.2029039.

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Reports on the topic "Ash clouds"

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Wehr, Tobias, ed. EarthCARE Mission Requirements Document. European Space Agency, 2006. http://dx.doi.org/10.5270/esa.earthcare-mrd.2006.

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ESA's EarthCARE (Cloud, Aerosol and Radiation Explorer) mission - scheduled to be launched in 2024 - is the largest and most complex Earth Explorer to date and will advance our understanding of the role that clouds and aerosols play in reflecting incident solar radiation back into space and trapping infrared radiation emitted from Earth's surface. The mission is being implemented in cooperation with JAXA (Japan Aerospace Exploration Agency). It carries four scientific instruments. The Atmospheric Lidar (ATLID), operating at 355 nm wavelength and equipped with a high-spectral resolution and dep
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Rosenfeld, Daniel. Vertical microphysical profiles of convective clouds as a tool for obtaining aerosol cloud-mediated climate forcings. Office of Scientific and Technical Information (OSTI), 2015. http://dx.doi.org/10.2172/1233295.

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Berney, Ernest, Andrew Ward, and Naveen Ganesh. First generation automated assessment of airfield damage using LiDAR point clouds. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/40042.

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This research developed an automated software technique for identifying type, size, and location of man-made airfield damage including craters, spalls, and camouflets from a digitized three-dimensional point cloud of the airfield surface. Point clouds were initially generated from Light Detection and Ranging (LiDAR) sensors mounted on elevated lifts to simulate aerial data collection and, later, an actual unmanned aerial system. LiDAR data provided a high-resolution, globally positioned, and dimensionally scaled point cloud exported in a LAS file format that was automatically retrieved and pro
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Berney, Ernest, Naveen Ganesh, Andrew Ward, J. Newman, and John Rushing. Methodology for remote assessment of pavement distresses from point cloud analysis. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/40401.

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The ability to remotely assess road and airfield pavement condition is critical to dynamic basing, contingency deployment, convoy entry and sustainment, and post-attack reconnaissance. Current Army processes to evaluate surface condition are time-consuming and require Soldier presence. Recent developments in the area of photogrammetry and light detection and ranging (LiDAR) enable rapid generation of three-dimensional point cloud models of the pavement surface. Point clouds were generated from data collected on a series of asphalt, concrete, and unsurfaced pavements using ground- and aerial-ba
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Brower, K. L. Statistical cloud coverage as a function of cloud optical thickness. Office of Scientific and Technical Information (OSTI), 1998. http://dx.doi.org/10.2172/656474.

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Yaacob, Abdul Rahman. Storm clouds gather over ASEAN as it enters 2025. East Asia Forum, 2025. https://doi.org/10.59425/eabc.1740045600.

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Torres, D. High-Latitude Molecular Clouds as Gamma-Ray Sources for GLAST. Office of Scientific and Technical Information (OSTI), 2005. http://dx.doi.org/10.2172/839757.

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Kleinman, LI, SR Springston, PH Daum, et al. Pre-Cloud Aerosol, Cloud Droplet Concentration, and Cloud Condensation Nuclei from the VAMOS Ocean-Cloud-Atmosphere Land Study (VOCALS) Field Campaign First Quarter 2010 ASR Program Metric Report. Office of Scientific and Technical Information (OSTI), 2011. http://dx.doi.org/10.2172/1023451.

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Popel, Maiia V., and Mariya P. Shyshkina. The areas of educational studies of the cloud-based learning systems. [б. в.], 2019. http://dx.doi.org/10.31812/123456789/3245.

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The article analyzes the current stage of educational studies of the cloud-based learning systems. The relationship between the notions of the cloud-based learning system and the cloud-based learning environment are investigated. It was found that the researchers paid most attention to the design of a cloud-based learning environment. However, in the process of a cloud-based environment design, the researchers consider a cloud-based system as a component within the cloud-based learning environment of as a stage in the process of design. It is shown that in the research literature there is no s
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Digel, S. Small Molecular Clouds at High Latitudes as Gamma-Ray Sources for GLAST. Office of Scientific and Technical Information (OSTI), 2005. http://dx.doi.org/10.2172/839933.

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