692 resources related to Volcanoes
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ICC 2021 - IEEE International Conference on Communications
IEEE ICC is one of the two flagship IEEE conferences in the field of communications; Montreal is to host this conference in 2021. Each annual IEEE ICC conference typically attracts approximately 1,500-2,000 attendees, and will present over 1,000 research works over its duration. As well as being an opportunity to share pioneering research ideas and developments, the conference is also an excellent networking and publicity event, giving the opportunity for businesses and clients to link together, and presenting the scope for companies to publicize themselves and their products among the leaders of communications industries from all over the world.
2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting
The joint meeting is intended to provide an international forum for the exchange of information on state of the art research in the area of antennas and propagation, electromagnetic engineering and radio science
The 2020 IEEE International Conference on Systems, Man, and Cybernetics (SMC 2020) will be held in Metro Toronto Convention Centre (MTCC), Toronto, Ontario, Canada. SMC 2020 is the flagship conference of the IEEE Systems, Man, and Cybernetics Society. It provides an international forum for researchers and practitioners to report most recent innovations and developments, summarize state-of-the-art, and exchange ideas and advances in all aspects of systems science and engineering, human machine systems, and cybernetics. Advances in these fields have increasing importance in the creation of intelligent environments involving technologies interacting with humans to provide an enriching experience and thereby improve quality of life. Papers related to the conference theme are solicited, including theories, methodologies, and emerging applications. Contributions to theory and practice, including but not limited to the following technical areas, are invited.
The Conference focuses on all aspects of instrumentation and measurement science andtechnology research development and applications. The list of program topics includes but isnot limited to: Measurement Science & Education, Measurement Systems, Measurement DataAcquisition, Measurements of Physical Quantities, and Measurement Applications.
2020 Joint Conference of the IEEE International Frequency Control Symposium and International Symposium on Applications of Ferroelectrics (IFCS-ISAF)
Ferroelectric materials and applications
Experimental and theoretical advances in antennas including design and development, and in the propagation of electromagnetic waves including scattering, diffraction and interaction with continuous media; and applications pertinent to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques.
IEEE Antennas and Wireless Propagation Letters (AWP Letters) will be devoted to the rapid electronic publication of short manuscripts in the technical areas of Antennas and Wireless Propagation.
Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission
Covers topics in the scope of IEEE Transactions on Communications but in the form of very brief publication (maximum of 6column lengths, including all diagrams and tables.)
2017 First IEEE International Symposium of Geoscience and Remote Sensing (GRSS-CHILE), 2017
No English-language title or abstract was provided.
Proceedings XIV Brazilian Symposium on Computer Graphics and Image Processing, 2001
The objective of this work is to identify geological circular forms, impact and volcano craters using satellite images. The recognition of objects (circular forms) is the last step in a processing chain which can be described in four phases: image processing, pattern detection, pattern recognition, and identification of the targets (models). The work presents the detection of circular forms in ...
IGARSS'97. 1997 IEEE International Geoscience and Remote Sensing Symposium Proceedings. Remote Sensing - A Scientific Vision for Sustainable Development, 1997
In November and December 1996, the NASA/JPL Airborne Synthetic Aperture Radar System (AIRSAR) embarked on a seven-week campaign to several Pacific Rim countries. This mission was jointly organized by NASA, Australia's Office of Space Science and Application, and University of New South Wales. The major purpose of the mission is to establish a collaborative effort in the area of radar ...
2011 IEEE International Geoscience and Remote Sensing Symposium, 2011
Lusi is a mud volcano in East Java, Indonesia, which started its eruption on 29<sup>th</sup> May 2006 and never stopped. To study this volcano, we used SAR interferometry with ALOS/Palsar satellite images from 2006 to 2010. By creation of a set of interferograms, and suppression of unwanted components, such as Earth curvature and elevation, we were able to compute the ...
2007 IEEE International Geoscience and Remote Sensing Symposium, 2007
Augustine volcano is an active stratovolcano located at the southwest of Anchorage, Alaska. Augustine volcano had experienced seven significantly explosive eruptions in 1812, 1883, 1908, 1935, 1963, 1976, and 1986, and a minor eruption in January 2006. We measured the surface displacements of the volcano by radar interferometry and GPS before and after the eruption in 2006. ERS-1/2, RADARSAT-1 and ...
No English-language title or abstract was provided.
The objective of this work is to identify geological circular forms, impact and volcano craters using satellite images. The recognition of objects (circular forms) is the last step in a processing chain which can be described in four phases: image processing, pattern detection, pattern recognition, and identification of the targets (models). The work presents the detection of circular forms in images including the south region of the Minas Gerais State in Brazil.
In November and December 1996, the NASA/JPL Airborne Synthetic Aperture Radar System (AIRSAR) embarked on a seven-week campaign to several Pacific Rim countries. This mission was jointly organized by NASA, Australia's Office of Space Science and Application, and University of New South Wales. The major purpose of the mission is to establish a collaborative effort in the area of radar remote sensing application between the United States and the Pacific Rim countries. SAR data were acquired for both U.S. researchers as well as the participating countries. In addition to Hawaii, the authors imaged areas of interest in New Zealand, Australia, Papua New Guinea, Malaysia, Brunei, the Philippines, Taiwan, Thailand, and Cambodia including coastal regions of some countries. The target areas of this multi-frequency, polarimetric and interferometric SAR system included volcanoes, sites for studies in geology, hydrology, and land use mapping, and forested mountains to generate height maps of rugged and inaccessible areas.
Lusi is a mud volcano in East Java, Indonesia, which started its eruption on 29<sup>th</sup> May 2006 and never stopped. To study this volcano, we used SAR interferometry with ALOS/Palsar satellite images from 2006 to 2010. By creation of a set of interferograms, and suppression of unwanted components, such as Earth curvature and elevation, we were able to compute the motion that occurred between two dates. The obtained set of motions shows that the region of Lusi is undergoing a general subsidence of several metres. However, as this region is very wet, more precise results, on the volcano itself, can be obtained by GPS campaigns.
Augustine volcano is an active stratovolcano located at the southwest of Anchorage, Alaska. Augustine volcano had experienced seven significantly explosive eruptions in 1812, 1883, 1908, 1935, 1963, 1976, and 1986, and a minor eruption in January 2006. We measured the surface displacements of the volcano by radar interferometry and GPS before and after the eruption in 2006. ERS-1/2, RADARSAT-1 and ENVISAT SAR data were used for the study. Multiple interferograms were stacked to reduce artifacts caused by different atmospheric conditions. Least square (LS) method was used to reduce atmospheric artifacts. Singular value decomposition (SVD) method was applied for retrieval of time sequential deformations. Satellite radar interferometry helps to understand the surface displacements system of Augustine volcano.
Historically, natural hazards have played a major role in directing coastal and waterfront development. During the past decade, the authors have been given a wake-up call by earthquakes in Kobe, Japan; Taiwan; and during the World Series in San Francisco; not to mention hurricanes such as Iniki in Hawaii, Hugo in South Carolina and Andrew in Dade County, Florida. Additional hazards include tsunamis, tornadoes, flooding, volcanoes and extreme winds. Coastal and waterfront infrastructure and development are typically more susceptible to damage and destruction from natural hazards than inland facilities. Because of this, higher limits of insurance coverage are desirable and sometimes mandated by lending institutes or bonding companies. Insurance premiums for waterfront and coastal facilities have skyrocketed due to the high risk of exposure. This paper will present a procedure to analyze the risk of waterfront and coastal facilities in relation to natural hazards such as hurricanes, tropical storms, floods, tornadoes, lightning, earthquakes, and extreme winds. The analysis will assist persons responsible for waterfront facilities, such as ports and marine terminals, in making sound decisions regarding levels of insurance coverage for various assigned risks. A case study is included.
In Azerbaijan oil mud volcanoes form on the surface as expressions of the vertical migration of oil and gas as a result of gravitational loading of largely unconsolidated sediments in combination with structure control and stress regime. Through typical geomorphologic mud volcano vents called gryphons and salses, mud volcanoes eject argillaceous material (breccia) and build up their topography. In 2002 a field survey was carried out on two onshore mud volcanoes and mud volcano vents are analysed using subsurface resistivity measurements in combination with imaging spectroscopy. Preliminary 2D and 3D subsurface electric surveys using pole-dipole configuration show an irregular mud volcano architecture in terms of oil migration pathways, mud chamber connectivity, faults, and symmetric mud volcano eruption through time. At the same time imaging spectroscopy shows significant absorption at 2.20 um as indication of venting argillaceous material above mud volcano cones.
After the collapse of a landslide of 20 million m/sup 3/ from the NE slope of the Stromboli volcano and the subsequent tsunami at the end of December 2002, a ground-based InSAR system (interferometric synthetic aperture radar) was installed on the flank of the Sciara del Fuoco, a collapse depression formed 5 million BP. Through the radar measurement it has been possible to assess the deformation field over a large portion of the target area and to differentiate different processes. Twelve months of radar monitoring have permitted to follow the temporal and spatial evolution of the mass movement in the Sciara. The landslide showed wide fluctuations in the displacement rate, between 0.6 and 10 mm/h, with acceleration phases coinciding with episodes of more intense effusive activity. The dynamic of the volcano has been also studied through the use of DInSAR from satellite platform. Different images acquired from the ERS2 satellite before and after the collapse of the landslide have been interferometrically processed in order to extract information about the ground deformation occurred on the island due to the volcanic activity.
SAR interferometry can, potentially, supply two types of useful information relevant to the 1995-99 eruption of Soufriere Hills Volcano, Montserrat: (i) the topography of the growing lava dome and its apron of pyroclastic flows, and (ii) the surface deformation of the volcano due to magma movement within. Phase information from ERS SAR data collected from July 1997 to November 1998 has been studied. The growing lava dome is too dynamic a surface to preserve topographic information, even with tandem data. Away from the dome the volcano does have some coherent surfaces on the lower flanks of the volcano covered by pyroclastic flow deposits. Some 35 day temporal baselines give reasonable interferograms, from which the authors have mapped changes in flank topography since the start of the eruption. Longer temporal baselines give progressively less information. To understand the differential interferometric signal requires the removal of the pyroclastic flow topography, and, perhaps, independent measures of the settling of the pyroclastic flow surfaces and the variability of the tropospheric water vapour.
UNESCO's GARS-Asia project focuses on the application of remote sensing techniques for volcanic hazard analysis and mapping in the Philippines. The Bulusan volcano region in the Bicol district is one of the pilot areas in which a volcanic hazard mapping program is undertaken. Landsat TM and spaceborne SAR data is being used for general geologic and geomorphologic mapping of the area. A geographical information system (GIS) is used to create a reference database, with which the final hazard analysis will be carried out.
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