Academic literature on the topic 'Islande, tomographie'

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Journal articles on the topic "Islande, tomographie"

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Portavoce, Alain, Khalid Hoummada, Antoine Ronda, Dominique Mangelinck, and Isabelle Berbezier. "Si/Ge intermixing during Ge Stranski–Krastanov growth." Beilstein Journal of Nanotechnology 5 (December 9, 2014): 2374–82. http://dx.doi.org/10.3762/bjnano.5.246.

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The Stranski–Krastanov growth of Ge islands on Si(001) has been widely studied. The morphology changes of Ge islands during growth, from nucleation to hut/island formation and growth, followed by hut-to-dome island transformation and dislocation nucleation of domes, have been well described, even at the atomic scale, using techniques such as scanning tunneling microscopy and transmission electron microscopy. Although it is known that these islands do not consist of pure Ge (due to Si/Ge intermixing), the composition of the Ge islands is not precisely known. In the present work, atom probe tomo
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Prudencio, J., J. M. Ibáñez, E. Del Pezzo, J. Martí, A. García-Yeguas, and L. De Siena. "3D Attenuation Tomography of the Volcanic Island of Tenerife (Canary Islands)." Surveys in Geophysics 36, no. 5 (2015): 693–716. http://dx.doi.org/10.1007/s10712-015-9333-3.

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Chasanah, Uswatun, and Bagus Jaya Santosa. "3D Tomographic Imaging of P Wave Velocity Structure Beneath Java Island using Fast Marching Tomography Method." IPTEK Journal of Science 2, no. 1 (2017): 21. http://dx.doi.org/10.12962/j23378530.v2i1.a2256.

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Adimah, N. I., and S. Padhy. "Ambient noise Rayleigh wave tomography across the Madagascar island." Geophysical Journal International 220, no. 3 (2019): 1657–76. http://dx.doi.org/10.1093/gji/ggz542.

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SUMMARY The unusual complex lithospheric structure of Madagascar is a product of a number of important geological events, including: the Pan-African Orogeny, episodes of Late Cenozoic intraplate volcanism and several phases of deformation and metamorphism. Despite this rich history, its detailed crustal structure remains largely underexplored. Here, we take advantage of the recently obtained data set of the RHUM-RUM (Réunion Hotspot and Upper Mantle–Réunions Unterer Mantel) seismological experiment, in addition to previously available data sets to generate the first Rayleigh wave group velocit
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Hable, Sarah, Karin Sigloch, Eléonore Stutzmann, Sergey Kiselev, and Guilhem Barruol. "Tomography of crust and lithosphere in the western Indian Ocean from noise cross-correlations of land and ocean bottom seismometers." Geophysical Journal International 219, no. 2 (2019): 924–44. http://dx.doi.org/10.1093/gji/ggz333.

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SUMMARY We use seismic noise cross-correlations to obtain a 3-D tomography model of SV-wave velocities beneath the western Indian Ocean, in the depth range of the oceanic crust and uppermost mantle. The study area covers 2000 × 2000 km2 between Madagascar and the three spreading ridges of the Indian Ocean, centred on the volcanic hotspot of La Réunion. We use seismograms from 38 ocean bottom seismometers (OBSs) deployed by the RHUM-RUM project and 10 island stations on La Réunion, Madagascar, Mauritius, Rodrigues, and Tromelin. Phase cross-correlations are calculated for 1119 OBS-to-OBS, land-
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García-Yeguas, Araceli, Jesús M. Ibáñez, Ivan Koulakov, Andrey Jakovlev, M. Carmen Romero-Ruiz, and Janire Prudencio. "Seismic tomography model reveals mantle magma sources of recent volcanic activity at El Hierro Island (Canary Islands, Spain)." Geophysical Journal International 199, no. 3 (2014): 1739–50. http://dx.doi.org/10.1093/gji/ggu339.

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Bedard, Thomas, Mujtaba Mohammed, Serenella Serinelli, and Timothy A. Damron. "Atypical Enostoses—Series of Ten Cases and Literature Review." Medicina 56, no. 10 (2020): 534. http://dx.doi.org/10.3390/medicina56100534.

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Bone islands (BI; enostoses) may be solitary or occur in the setting of osteopoikilosis (multiple bone islands) and are sometimes associated with Gardner’s Syndrome (osteopoikilosis and colonic polyposis). Characteristic features of bone islands are (1) absence of pain or local tenderness, (2) typical radio dense central appearance with peripheral radiating spicules (rose thorn), (3) Mean CT (computerized tomography) attenuation values above 885 Hounsfield units (HU) (4) absence of uptake on bone scan and (5) radiographic stability over time. However, when enostoses display atypical features o
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Ehara, Shigeru, Susan V. Kattapuram, and Andrew E. Rosenberg. "Giant bone island computed tomography findings." Clinical Imaging 13, no. 3 (1989): 231–33. http://dx.doi.org/10.1016/0899-7071(89)90154-x.

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Giri, Sambit K., Garrelt Mellema, Thomas Aldheimer, Keri L. Dixon, and Ilian T. Iliev. "Neutral island statistics during reionization from 21-cm tomography." Monthly Notices of the Royal Astronomical Society 489, no. 2 (2019): 1590–605. http://dx.doi.org/10.1093/mnras/stz2224.

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Abstract We present the prospects of extracting information about the epoch of reionization by identifying the remaining neutral regions, referred to as islands, in tomographic observations of the redshifted 21-cm signal. Using simulated data sets we show that at late times the 21-cm power spectrum is fairly insensitive to the details of the reionization process but that the properties of the neutral islands can distinguish between different reionization scenarios. We compare the properties of these islands with those of ionized bubbles. At equivalent volume-filling fractions, neutral islands
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Cipolla, Marco, Giosuè Lo Bosco, Filippo Millonzi, and Cesare Valenti. "An island strategy for memetic discrete tomography reconstruction." Information Sciences 257 (February 2014): 357–68. http://dx.doi.org/10.1016/j.ins.2013.05.019.

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Dissertations / Theses on the topic "Islande, tomographie"

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Landès, Matthieu. "Utilisation des corrélations du bruit en sismologie : tomographie passive et étude de distributions de sources de bruit." Paris, Institut de physique du globe, 2009. http://www.theses.fr/2009GLOB0012.

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Des études récentes ont montré qu’il était possible d’extraire la fonction de Green entre deux récepteurs par corrélation d’un champ d’ondes sismiques aléatoires enregistrées entre ces deux points. Appliquée à la sismologie, la faisabilité de cette approche est illustrée par l’étude des corrélations du bruit sismique ambiant sur de longues périodes et permet la reconstruction de la partie "ondes de surface" des fonctions de Green. Ainsi, la possibilité de mesurer des vitesses à partir des corrélations de bruit sur différents trajets d’un réseau sismique ouvre la voie à une imagerie passive des
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Shomali, Z. Hossein. "Dynamic source models of Icelandic earthquakes and teleseismic tomography along the TOR array /." Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2001. http://publications.uu.se/theses/91-554-5098-9/.

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Evangelidis, Christos P. "Three-dimensional traveltime tomography of Ascension Island and the Mendocino Triple Junction area." Thesis, University of Southampton, 2004. https://eprints.soton.ac.uk/18668/.

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Villagomez, Diaz Darwin R. 1973. "Crustal and upper mantle structure beneath the Galapagos arechipelago from seismic tomography." Thesis, University of Oregon, 2010. http://hdl.handle.net/1794/11071.

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xv, 151 p. : ill. (some col.) A print copy of this thesis is available through the UO Libraries. Search the library catalog for the location and call number.<br>To explain the origin of several distinct aspects of the Galápagos volcanic hotspot, such as the broad geographical extent of recent volcanism and the unusual pattern of geochemical anomalies, we conducted seismic tomography studies of the upper mantle and crust beneath the Galápagos Archipelago. The studies combine measurements of group and phase velocities of surface waves and delay times of body waves. We find that upper mantle se
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Kumar, Santhosh Tekke Athayil, and santhosh kumar@anu edu au. "Experimental Studies of Magnetic Islands, Configurations and Plasma Confinement in the H-1NF Heliac." The Australian National University. Research School of Physical Sciences and Engineering, 2008. http://thesis.anu.edu.au./public/adt-ANU20080611.171513.

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Rational magnetic flux surfaces in fusion (toroidal plasma confinement) devices can break the magnetic field lines and reconnect them in the form of magnetic islands. Formation of these magnetic islands can have a serious impact on the plasma confinement properties of the device. Islands can in general degrade the confinement by mixing up different regions of the plasma. However there has been experimental evidence of confinement improvement by island induced transport barriers, under certain conditions. Even though there are a large number of theoretical and ex
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Berglund, Karin. "Seismic tomography in the source region of the May 29th 2008 earthquake-aftershock-sequence in southwest Iceland." Thesis, Uppsala universitet, Geofysik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-187589.

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On May 29th 2008 two earthquakes with moment magnitude of Mw ~6 occurred in the southwestern part of Iceland. The second earthquake struck within only seconds after the first, on a fault ~5 km west from the first fault. The aftershock sequence was recorded by 14 seismic stations during the subsequent 34 days. The recorded earthquakes were detected and located with a Coalesence Microseismic Mapping (CMM) technique. The output data from this program has been used as basis for the tomography algorithm PStomo_eq, which simultaneously inverts for both P- and S-wave velocities and relocates the even
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Biryol, Cemal Berk. "COMPLEX RUPTURE PROCESSES OF THE SOLOMON ISLANDS SUBDUCTION ZONE EARTHQUAKE AND SUBDUCTION CONTROLLED UPPER MANTLE STRUCTURE BENEATH ANATOLIA." Diss., The University of Arizona, 2009. http://hdl.handle.net/10150/194681.

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This dissertation explores subduction zone-related deformation both on short time scales in the form of subduction zone earthquakes and over larger time and geographical scales in the form of subduction rollback or detachment of the subducting lithosphere. The study presented here is composed of two parts. First, we analyzed the source-rupture processes of the April 1, 2007 Solomon Islands Earthquake (Mw=8.1) using a body-wave inversion technique. Our analysis indicated that the earthquake ruptured approximately 240 km of the southeast Pacific subduction zone in two sub-events.In the second pa
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Wong, Siao-Tong, and 翁筱彤. "The shallow subsurface velocity structures in Penghu Islands using Ambient Noise Tomography." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/a352es.

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碩士<br>國立中央大學<br>地球科學學系<br>107<br>The Penghu Islands are located on the southeastern edge of the Eurasian plate in the Taiwan Strait. Previous geophysical studies mainly focused on the entire Taiwan Strait, but did not only target to the Penghu Islands as a research area. However, there are some geological variations in the Penghu Islands deserved for more detailed studies. In this study, I will use ambient noise to invert the shear wave velocity structure in the Penghu Islands for the first time. We deployed 125 Texan instruments from May to June 2015. The Rayleigh wave empirical Green's funct
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Dash, Ranjan Kumar. "Crustal structure and marine gas hydrate studies near Vancouver Island using seismic tomography." Thesis, 2007. http://hdl.handle.net/1828/2498.

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This dissertation work applies seismic tomographic inversion methods to two different datasets - one to address the earthquake hazard within the Strait of Georgia and the other to estimate hydrate concentration and distribution in the continental slope off Vancouver Island. In the first part of the study, seismic refraction/wide-angle reflection data from onshore-offshore experiments in 1998 and 2002 were inverted for a smooth three-dimensional (3D) velocity structure down to depths of 6-7 km beneath the Strait of Georgia, a seismically active region where an earthquake swarm (with magnitude u
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Zykov, Mikhail Mikhailovich. "3-D travel time tomography of the gas hydrate area offshore Vancouver Island based on OBS data." Thesis, 2006. http://hdl.handle.net/1828/1892.

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This dissertation presents results from a complex seismic study using Ocean Bot¬tom Seismometers (OBS) conducted at a site of deep sea gas hydrate occurrence. The site is located on the accretionary margin of the northern Cascadia subduction zone offshore Vancouver Island. Canada. The major objectives for this study were the construction of a 3-D velocity model around the Bullseye vent zone by the means of travel time inversion tomography and the analysis of the amplitude data for reflections from the water-sediment interface and the bottom simulating reflector (BSR). Secondary objectives inc
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Book chapters on the topic "Islande, tomographie"

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Cipolla, Marco, Giosuè Lo Bosco, Filippo Millonzi, and Cesare Valenti. "A Memetic Island Model for Discrete Tomography Reconstruction." In Fuzzy Logic and Applications. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-23713-3_33.

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Matsubara, Makoto, Hiroshi Sato, Kenji Uehira, et al. "Seismic Velocity Structure in and around the Japanese Island Arc Derived from Seismic Tomography Including NIED MOWLAS Hi-net and S-net Data." In Seismic Waves - Probing Earth System. IntechOpen, 2019. http://dx.doi.org/10.5772/intechopen.86936.

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Conference papers on the topic "Islande, tomographie"

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Singh, Gurmeet, Sneh Anand, Brejesh Lall, Anurag Srivastava, and Vaneet Singh. "Development of a microcontroller based electrical impedance tomography system." In 2015 IEEE Long Island Systems, Applications and Technology Conference (LISAT). IEEE, 2015. http://dx.doi.org/10.1109/lisat.2015.7160174.

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Ta-Te Lin, Yung-Chen Liao, Tze-Wei Huang, et al. "X-ray Computed Tomography Analysis of Internal Injuries of Selected Fruits." In 2008 Providence, Rhode Island, June 29 - July 2, 2008. American Society of Agricultural and Biological Engineers, 2008. http://dx.doi.org/10.13031/2013.24767.

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Fairborn, John W., and Richard S. Harding. "3D seismic velocity tomography at SPR sinkhole site, Weeks Island, Louisiana." In SEG Technical Program Expanded Abstracts 1996. Society of Exploration Geophysicists, 1996. http://dx.doi.org/10.1190/1.1826801.

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Correia, A. M., J. Rocha, and G. Vieira. "Repeated Electrical Resistivity Tomographies in a CALM Site in Livingston Island, Maritime Antarctica." In 7th Congress of the Balkan Geophysical Society. EAGE Publications BV, 2013. http://dx.doi.org/10.3997/2214-4609.20131701.

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Sumanovac, F., Z. Pekas, and T. Vlahovic. "Water exploration on small Croatian islands by electrical tomography and refraction seismics." In 9th EAGE/EEGS Meeting. European Association of Geoscientists & Engineers, 2003. http://dx.doi.org/10.3997/2214-4609.201414544.

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Omori, K., and Yoshiya Oda. "Checkerboard resolution test for natural earthquake tomography of volcanic islands in Tokyo." In The 22nd International Symposium on Recent Advances in Exploration Geophysics (RAEG 2018). EAGE Publications BV, 2018. http://dx.doi.org/10.3997/2352-8265.20140230.

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Omori, Kentaro, and Yoshiya Oda. "Checkerboard resolution test for natural earthquake tomography of volcanic island in Hachijojima." In The 13th SEGJ International Symposium, Tokyo, Japan, 12-14 November 2018. Society of Exploration Geophysicists and Society of Exploration Geophysicists of Japan, 2019. http://dx.doi.org/10.1190/segj2018-126.1.

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Šumanovac, F. "Water exploration on the Lastove Island (Croatia) by electrical tomography and seismic methods." In 8th EEGS-ES Meeting. European Association of Geoscientists & Engineers, 2002. http://dx.doi.org/10.3997/2214-4609.201406155.

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Hayashi, K., Y. S. Seik, Y. Y. Seik, L. T. Wong, J. Pang, and K. E. Suhartono. "Bedrock Depth Mapping using a Three-Dimensional Ambient Noise Tomography at Northern Singapore Island." In 3rd Asia Pacific Meeting on Near Surface Geoscience & Engineering. European Association of Geoscientists & Engineers, 2020. http://dx.doi.org/10.3997/2214-4609.202071034.

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Kayen, Robert E., Walter A. Barnhardt, Scott Ashford, and Kyle Rollins. "Non-Destructive Measurement of Soil Liquefaction Density Change by Crosshole Radar Tomography, Treasure Island, California." In Geo-Denver 2000. American Society of Civil Engineers, 2000. http://dx.doi.org/10.1061/40523(298)3.

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