955 resultados para Azores Triple Junction
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La innovación está relacionada con el crecimiento de las economías y de las empresas, y en un entorno cambiante como el actual, se presenta como una herramienta fundamental para conseguir ventajas competitivas. Esta investigación tiene por objetivo analizar la relación existente entre la capacidad de innovación de las empresas y la obtención de información de las mismas a través de la cooperación con competidores, proveedores, Universidades y otras instituciones públicas (Triple Hélice). En primer lugar se desarrolla una revisión bibliográfica de los conceptos relacionados para posteriormente, a través del método de ecuaciones estructurales, dar respuesta y aceptar la hipótesis propuesta que pone de manifiesto la relación existente entre los resultados de innovación de las empresas y la información obtenida de la Triple Hélice. La investigación se realiza con una muestra de empresas españolas, encuestadas por el Instituto Nacional de Estadística (INE), durante los años 2008-2010.
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Seismic recordings of IRIS/IDA/GSN station CMLA and of several temporary stations in the Azores archipelago are processed with P and S receiver function (PRF and SRF) techniques. Contrary to regional seismic tomography these methods provide estimates of the absolute velocities and of the Vp/Vs ratio up to a depth of similar to 300 km. Joint inversion of PRFs and SRFs for a few data sets consistently reveals a division of the subsurface medium into four zones with a distinctly different Vp/Vs ratio: the crust similar to 20 km thick with a ratio of similar to 1.9 in the lower crust, the high-Vs mantle lid with a strongly reduced VpNs velocity ratio relative to the standard 1.8, the low-velocity zone (LVZ) with a velocity ratio of similar to 2.0, and the underlying upper-mantle layer with a standard velocity ratio. Our estimates of crustal thickness greatly exceed previous estimates (similar to 10 km). The base of the high-Vs lid (the Gutenberg discontinuity) is at a depth of-SO km. The LVZ with a reduction of S velocity of similar to 15% relative to the standard (IASP91) model is terminated at a depth of similar to 200 km. The average thickness of the mantle transition zone (TZ) is evaluated from the time difference between the S410p and SKS660p, seismic phases that are robustly detected in the S and SKS receiver functions. This thickness is practically similar to the standard IASP91 value of 250 km. and is characteristic of a large region of the North Atlantic outside the Azores plateau. Our data are indicative of a reduction of the S-wave velocity of several percent relative to the standard velocity in a depth interval from 460 to 500 km. This reduction is found in the nearest vicinities of the Azores, in the region sampled by the PRFs, but, as evidenced by SRFs, it is missing at a distance of a few hundred kilometers from the islands. We speculate that this anomaly may correspond to the source of a plume which generated the Azores hotspot. Previously, a low S velocity in this depth range was found with SRF techniques beneath a few other hotspots.
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Tese de Doutoramento, Biologia (Taxonomia Zoológica), 11 de Outubro de 2013, Universidade dos Açores.
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EPIA 2013 - XVI Portuguese Conference on Artificial Intelligence Angra do Heroísmo, Azores, Portugal, 9 – 12 September.
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10th International Temperate Reefs Symposium, The University of Western Australia, 12-17 de janeiro.
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IBBA Strategic Planning - Workshop III, Plant Biotechnology Ponta Delgada, 25 Janeiro, 2011.
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Unesco chair for "Conservation of plant biodiversity in Macaronesia and the West of Africa", Gran Canaria, 27-28 November 2013.
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25th Annual Conference of the European Cetacean Society, Cadiz, Spain 21-23 March 2011.
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27th Annual Conference of the European Cetacean Society. Setúbal, Portugal, 8-10 April 2013.
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27th Annual Conference of the European Cetacean Society. Setúbal, Portugal, 8-10 April 2013.
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27th Annual Conference of the European Cetacean Society. Setúbal, Portugal, 8-10 April 2013.
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Vegetation attributes were consistent with the successional stage of each dome in the primary sere; however, the geomorphologic units did not follow the same pattern. The influence of the rates of plant colonization and soil formation are responsible for the decrease of the successional rates from footslopes, to summits, to slopes. The vegetation successionally changes from Juniperus scrub, to Juniperus wood and forest, and there is little species replacement since the similarity in species composition is high between the 3 domes.
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MOVECLIM, Mid Course Meeting, 2-6 September 2013, Réunion (Mascarenes).
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Dissertação de Mestrado, Estudos Integrados dos Oceanos, 12 de Dezembro de 2013, Universidade dos Açores.
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Tese de Doutoramento, Geografia (Ordenamento do Território), 25 de Novembro de 2013, Universidade dos Açores.