Dissertations / Theses on the topic 'Kermadec'
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Robinson, Adam Hackett. "Seamount structure and subduction at the Louisville Ridge–Tonga-Kermadec collision." Thesis, Durham University, 2017. http://etheses.dur.ac.uk/12497/.
Full textFunnell, Matthew James. "Evolution of the Tonga-Kermadec forearc in response to seamount subduction." Thesis, Durham University, 2017. http://etheses.dur.ac.uk/12360/.
Full textGrammatopoulou, Eleanna. "Investigating the Resource Accumulation Depth hypothesis of the sediments of the Mariana and Kermadec trenches." Thesis, University of Aberdeen, 2018. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=239877.
Full textBlankenship, Lesley Elizabeth. "Ecology of the Tonga and Kermadec Trench hadal zone : inferences from scavenging amphipods /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2005. http://wwwlib.umi.com/cr/ucsd/fullcit?p3208810.
Full textBonnardot, Marie-Aude. "Etude géodynamique de la Zone de subduction Tonga-Kermadec par une approche couplée de modélisation numérique 3D et de sismotectonique." Phd thesis, Université de Nice Sophia-Antipolis, 2006. http://tel.archives-ouvertes.fr/tel-00204905.
Full textBonnardot, Marie-Aude. "Étude géodynamique de la zone de subduction Tonga-Kermadec par une approche couplée de modélisation numérique 3D et de sismotectonique." Nice, 2006. http://www.theses.fr/2006NICE4072.
Full textGeodynamical study of the Tonga-Kermadec subduction zone using both 3-D numerical modelling and seismotectonics approaches The Tonga-Kermadec subduction zone is the consequence of a complex geodynamical evolution. The interaction between the back-arc opening mechanisms, the subduction of the oblique aseismic Louisville Seamount Chain, the tearing of the Pacific Plate and the increasing obliquity of convergence from North to South results in the presentday morphotectonic segmentation of the convergent system. Using both 3-D numerical modelling and seismotectonics, we attempt to determine the state of stress inferred in a convergent system (1) from a convergence accommodated along a curved margin and (2) from the subduction of an oceanic aseismic ridge. For that purpose, a finite element thermo-mechanical code was developped in 3-D by R. Hassani and then validated within the framework of this study. The results highlight a significant effect of the along-strike variations in a convergent system on the style of lithospheric deformation. (1) A convexity or concavity of the margin towards the ocean enhances respectively a compressive or extensive regime within the upper plate, whatever are the density contrast between the lithosphere and the asthenosphere or the value of the friction coefficient. (2) The results from both the numerical simulations and the seismotectonics study highlight a significant role of an oceanic ridge subduction on the state of stress within the overriding plate. A compressive regime as well as the uplift of the margin are induced in front of the subducted ridge. The numerical simulations indicate that the stress distribution within the upper plate is controlled by the obliquity of the subducted ridge. A tectono-kinematics segmentation of the arc and back-arc domains in the Tonga-Kermadec subduction zone, is revealed through the stress tensor resolution deduced from the CMTS. Since this segmentation is likely correlated to the numerical results, we confirm the influence of the Louisville Seamount Chain on the present-day structure of the Lau back-arc basin. (3) The study of the shallow seismicity distribution and of the CMTS indicate also the influence of the Louisville ridge on the deep slab behaviour. A subduction jump correlated with the initiation of the Louisville Ridge subduction is identified to the North of the Peggy Ridge. A detachment of the deep slab, which is underlined by a major seismic gap below the Lau Basin, accommodated this subduction jump. From a precise study of the shallow seismicity distribution, new tectonic features are identified in the Northern part of the Lau Basin : the Futuna-Niua Fo’ou alignement interpreted as a fossil plate boundary and the intra-arc Niuatoputapu structure. They are both involved in the global reorganisation of the subduction zone
Schönhofen-Romer, Milena Viktoria [Verfasser], Karsten M. [Akademischer Betreuer] Haase, and Christoph [Gutachter] Beier. "Melting and Source Variability in the Tonga- Kermadec-Lau Arc-Backarc System / Milena Viktoria Schönhofen-Romer ; Gutachter: Christoph Beier ; Betreuer: Karsten M. Haase." Erlangen : Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2021. http://d-nb.info/1241827362/34.
Full textDiehl, Alexander [Verfasser], Wolfgang [Akademischer Betreuer] Bach, Wolfgang [Gutachter] Bach, and Colin [Gutachter] Devey. "Causes for variable hydrothermal vent fluid compositions in intraoceanic arcs : insights from fluid compositions and mineral precipitates of the South Kermadec Arc / Alexander Diehl ; Gutachter: Wolfgang Bach, Colin Devey ; Betreuer: Wolfgang Bach." Bremen : Staats- und Universitätsbibliothek Bremen, 2019. http://d-nb.info/1179350030/34.
Full textSaunders, Katharine Emma. "Micro-analytical studies of the petrogenesis of silicic arc magmas in the Taupo Volcanic Zone and southern Kermadec Arc, New Zealand : a thesis submitted to the Victoria University of Wellington in fulfilment of the requirements for the degree of Doctor of Philosophy in Geology /." ResearchArchive@Victoria e-Thesis, 2009. http://hdl.handle.net/10063/943.
Full textKermad, Azzeddine [Verfasser]. "Reflexionseffizienzen der AnaConDa-50 und AnaConDa-100 / Azzeddine Kermad." Saarbrücken : Saarländische Universitäts- und Landesbibliothek, 2020. http://d-nb.info/1220287989/34.
Full textBONIN, EUGENE. "Distances, ecarts et traces a partir du dessin de joel kermarrec (1969-1979)." Université Marc Bloch (Strasbourg) (1971-2008), 1991. http://www.theses.fr/1991STR20002.
Full textThe exhibition "distances" (1969), takes exception both to the approach of the expressionist (based on the subject-artist) and to the approach of the realist (based on the referent-object) of the "new figuration". Joel kermarrec's "repertories" are confonted with the list of their critical texts and of the language theories that go with them. The plastic analysis appears as a resort to a semiotic approach of the places of the drawing. It gives rise to a derived graphic practice
Kermarrec, Gaël [Verfasser], and B. [Akademischer Betreuer] Heck. "Stochastic modelling of GNSS phase observations with focus on correlations / Gaël Kermarrec ; Betreuer: B. Heck." Karlsruhe : KIT-Bibliothek, 2018. http://d-nb.info/1151229350/34.
Full textJolly, Claire. "Etudes chimiques et biologiques de plantes tropicales : kermadecia elliptica (proteaceae) et combretum sundaicum (combretaceae) : isolement, analyses structurales et essais biologiques." Paris 11, 2007. http://www.theses.fr/2007PA114824.
Full textIn the course of research studies of new bioactive molecules, two species have been studied : a cytotoxic Proteaceae (Kermadecia elliptica) and a Combretaceae (Combretum sundaicum) with binding capacities toward Bcl‐XL, an anti‐apoptotic protein. The phytochemical study of Kermadecia elliptica lead to the isolation and the structural determination of 9 original compounds, the kermadecines, 8 of them belonging to the turriane family. The biological evaluation of these compounds revealed two cytotoxic molecules and an acetylcholinesterase inhibitor. The bioguided fractionation of Combretum sundaicum lead to the isolation and the structural determination of 10 compounds, belonging to the triterpene or saponin family, derivated from the imberbic acid. Nine of these compounds are described for the first time and three of them showed ability to bind BclXL
Patterson, Desmond Bruce. "Noble gas geochemistry of selected basalts and andesites : New Zealand, Tonga-Kermadec and Vanuatu." Phd thesis, 1992. http://hdl.handle.net/1885/140350.
Full textBillen, Magali Isabelle. "I. Seafloor morphology of the Osbourn Trough and Kermadec Trench and II. Multiscale dynamics of subduction zones." Thesis, 2002. https://thesis.library.caltech.edu/4350/3/03abstract.pdf.
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