562 resultados para migrations


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Mesopelagic fish were collected using a 1 m**2 Double-MOCNESS (Multiple Opening and Closing Net and Environmental Sensing System) and 4.5 m**2 IKMT (Isaacs-Kidd midwater trawl). The main portion of the IKMT was 20 mm knotted nylon, and the tail bag was 3 mm knotless nylon. Oblique IKMT tows were made to a maximum depth of 500 m at a tow speed of 3.5 knots. The original cruise plan intended for nighttime IKMT tows, but tow times varied due to operational constraints. The MOCNESS was equipped with 20 nets of 333 µm mesh size; 10 nets per side. The towing speed was 2 knots. Samples were collected to a maximum depth of 1250 m. The first oblique nets sampled from the surface to the max depth, and the other nets sampled depth stratified bins of the water column. MOCNESS hauls were performed during day and night to investigate diel vertical migrations. Mesoplelagic fish were processed on board. All fish were picked from all IKMT nets, most oblique MOCNESS nets, and the left side nets of the depth stratified MOCNESS samples. The Depth stratified nets from the right side of the MOCNESS frame were preserved in 5 % formalin for future quantitative analyses of the nekton. Fish were identified to the lowest possible taxa using Whitehead et al. (1984) and Fahay (2007). Standard length of each fish was measured to the nearest 0.1 mm using a digital caliper. Measured and identified fish were frozen in an -80 °C freezer, and shipped to the University of Hamburg at the end of the cruise.

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Fine-grained sediment depocenters on continental shelves are of increased scientific interest since they record environmental changes sensitively. A north-south elongated mud depocenter extends along the Senegalese coast in mid-shelf position. Shallow-acoustic profiling was carried out to determine extent, geometry and internal structures of this sedimentary body. In addition, four sediment cores were retrieved with the main aim to identify how paleoclimatic signals and coastal changes have controlled the formation of this mud depocenter. A general paleoclimatic pattern in terms of fluvial input appears to be recorded in this depositional archive. Intervals characterized by high terrigenous input, high sedimentation rates and fine grain sizes occur roughly contemporaneously in all cores and are interpreted as corresponding to intensified river discharge related to more humid conditions in the hinterland. From 2750 to 1900 and from 1000 to 700 cal a BP, wetter conditions are recorded off Senegal, an observation which is in accordance with other records from NW-Africa. Nevertheless, the three employed proxies (sedimentation rate, grain size and elemental distribution) do not always display consistent inter-core patterns. Major differences between the individual core records are attributed to sediment remobilization which was linked to local hydrographic variations as well as reorganizations of the coastal system. The Senegal mud belt is a layered inhomogeneous sedimentary body deposited on an irregular erosive surface. Early Holocene deceleration in the rate of the sea-level rise could have enabled initial mud deposition on the shelf. These favorable conditions for mud deposition occur coevally with a humid period over NW-Africa, thus, high river discharge. Sedimentation started preferentially in the northern areas of the mud belt. During mid-Holocene, a marine incursion led to the formation of an embayment. Afterwards, sedimentation in the north was interrupted in association with a remarkable southward shift in the location of the active depocenter as it is reflected by the sedimentary architecture and confirmed by radiocarbon dates. These sub-recent shifts in depocenters location are caused by migrations of the Senegal River mouth. During late Holocene times, the weakening of river discharge allowed the longshore currents to build up a chain of beach barriers which have forced the river mouth to shift southwards.

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Benthic foraminiferal assemblages in Mesozoic and Cenozoic sediments were studied at Sites 511, 512, 513, and 514 drilled during Leg 71 in the southwestern Atlantic on the Maurice Ewing Bank and in the Argentine Basin. Benthic foraminifers in almost all stratigraphic subdivisions of Sites 511 and 512 reflect the gradual subsidence of the Falkland Plateau from shelf depths in the Barremian-Albian, when a semiclosed basin with restricted circulation of water masses and anaerobic conditions existed, to lower bathyal depths in the Late Cretaceous and Cenozoic, with an abrupt acceleration at the boundary of Lower and Upper Cretaceous. The composition, distribution, and preservation of Late Cretaceous assemblages of benthic foraminifers suggest considerable fluctuations of the foraminiferal lysocline and the CCD. This is evidenced by dissolution facies and foraminiferal assemblages in which agglutinated and resistant calcareous forms predominated during high stands of the CCD and by calcareous facies in which rich assemblages of calcareous species predominated during low stands. The highest position of the CCD on the Plateau (less than 1500-2000 m) was in the late Cenomanian, Turonian, and Coniacian. In the Santonian and Campanian the CCD was at depths below 1500-2000 meters. At the end of the Campanian the CCD shifted again to depths comparable with those of Cenomanian and Turonian time. In the latest Campanian and the Maestrichtian the CCD was low and nanno-foraminiferal oozes with a rich assemblage of benthic foraminifers accumulated. Foraminiferal assemblages at Sites 513 and 514 in the Argentine Basin also testify to oceanic subsidence from lower bathyal depths in the Oligocene to abyssal ones at present. This process was complicated by the influence of geographical migrations of the Polar Front caused by extensions of the ice sheet in the Antarctic after the opening of the Drake Passage during the Oligocene. In Mesozoic and Cenozoic deposits of the Falkland Plateau and the Argentine Basin seven assemblages of benthic foraminifers were distinguished by age: early-middle Albian, middle-late Albian, Late Cretaceous (including four groups), middle Eocene, late Eocene-early Miocene, middle-late Miocene, and Pliocene-Quaternary. The Albian assemblages contain many species common to the foraminiferal fauna of the Austral Biogeographical Province. The Late Cretaceous assemblage contains, along with Austral species, species common to foraminifers of North America, Western Europe, the Russian platform, and the south of the U.S.S.R. Deep-sea cosmopolitan species prevail in Cenozoic assemblages.

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The Antarctic Intermediate Water (AAIW) is a key player in global-scale oceanic overturning processes and an important conduit for heat, fresh water, and carbon transport. The AAIW past variability is poorly understood mainly due to the lack of sedimentary archives at intermediate water depths. We present records of benthic stable isotopes from sediments retrieved with the seafloor drill rig MARUM-MeBo at 956 m water depth off northern Chile (GeoB15016, 27°29.48'S, 71°07.58'W) that extend back to 970 ka. The sediments at this site are presently deposited at the boundary between AAIW and Pacific Deep Water (PDW). For previous peak interglacials, our results reveal similar benthic d13C values at site GeoB15016 and of a newly generated stack of benthic d13C from various deep Pacific cores representing the "average PDW." This suggests, unlike today, the absence of AAIW at the site and the presence of nearly pure PDW. In contrast, more positive d13C values at site GeoB15016 compared to the stack imply a considerable AAIW contribution during cold phases of interglacials and especially during glacials. Besides, we used three short sediment cores to reconstruct benthic d13C values from the AAIW core during the last glacial and found a d13C signature similar to today's. Assuming that this was the case also for the past 970 kyr, we demonstrate that sea level changes and latitudinal migrations of the AAIW formation site can only account for about 50% of the full range of past d13C increases at site GeoB15016 during cold periods. Other processes that could explain the remaining of the positive d13C anomalies are increases in glacial AAIW production and/or deeper convection of the AAIW with respect to preceding interglacials.

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The Southern Westerly Winds (SWW) exert a crucial influence over the world ocean and climate. Nevertheless, a comprehensive understanding of the Holocene temporal and spatial evolution of the SWW remains a significant challenge due to the sparsity of high-resolution marine archives and appropriate SWW proxies. Here, we present a north-south transect of high-resolution planktonic foraminiferal oxygen isotope records from the western South Atlantic. Our proxy records reveal Holocene migrations of the Brazil- Malvinas Confluence (BMC), a highly sensitive feature for changes in the position and strength of the northern portion of the SWW. Through the tight coupling of the BMC position to the large-scale wind field, the records allow a quantitative reconstruction of Holocene latitudinal displacements of the SWW across the South Atlantic. Our data reveal a gradual poleward movement of the SWW by about 1-1.5° from the early to the mid-Holocene. Afterwards variability in the SWW is dominated by millennial-scale displacements in the order of 1° in latitude with no recognizable longer-term trend. These findings are confronted with results from a state-of-the-art transient Holocene climate simulation using a comprehensive coupled atmosphere-ocean general circulation model. Proxy-inferred and modeled SWW shifts compare qualitatively, but the model underestimates both orbitally forced multi-millennial and internal millennial SWW variability by almost an order of magnitude. The underestimated natural variability implies a substantial uncertainty in model projections of future SWW shifts.

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Vertical distribution of common zooplankton species is examined on the base of two series of layer-by-layer net catches down to depth of 3400 m. Differences between the series are significant for most species only near the surface, whereas in deeper layers character of distribution remains the same. Great depths in the Sea of Japan are populated most actively by species performing intensive daily migrations, and less actively by species continuously confined to a definite depth range. Different character of nutrition of the animals apparently determines extent of utilization of deep layers, which are usual for the species.

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A preliminary composite depth section was generated for Site 704 by splicing Holes 704A and 704B together over the interval 0-350 mbsf (0-9 m.y.). High-resolution carbonate and opal data from the cores were correlated with the calcium and silicon signals from the GST logging run in Hole 704B to identify missing and disturbed intervals in the cores. Paleomagnetic and biostratigraphic age boundaries were then transferred to the composite depth records to obtain an age model, and sedimentation rates were calculated by linear interpolation between datums. Algorithms relating measured dry-bulk density to carbonate content and depth were generated to produce predicted values of density for every sample. Accumulation rates of bulk, carbonate, opal, and terrigenous sediment components were then computed to generate a record of sediment deposition on the Meteor Rise that has a resolution of better than 200,000 yr for the period from 8.6 to 1.0 m.y. From 8.6 to 2.5 m.y., bulk-accumulation rates on the Meteor Rise averaged less than 2 g/cm**2/1000 yr and were dominated by carbonate deposition. The first significant opal deposition (6.0 m.y.) punctuated a brief (less than 0.6 Ma) approach of the Polar Front Zone (PFZ) northward that heralded a period of increasing severity of periodic carbonate dissolution events (terrigenous maxima) that abruptly terminated at 4.8 m.y. (base of the Thvera Subchron), synchronous with the reflooding of the Mediterranean after the Messinian salinity crisis. From 4.8 to 2.5 m.y., carbonate again dominated deposition, and the PFZ was far south except during brief northward excursions bracketing 4.2-3.9, 3.3-2.9, and 2.8-2.7 m.y. At 2.5 m.y., all components of bulk-accumulation rates increased dramatically (up to 15 g/cm2/1000 yr), and by 2.4 m.y., a pattern of alternating, high-amplitude carbonate and opal cyclicity marked the initiation of rapid glacial to interglaci·l swings in the position of the PFZ, synchronous with the "onset" of major Northern Hemisphere glaciation. Both mass-accumulation rates and the amplitude of the cycles decreased by about 2 m.y., but opal accumulation rates remained high up through the base of the Jaramillo (0.98 m.y.). From 1.9 to 1 m.y., the record is characterized by moderate amplitude fluctuations in carbonate and opal. This record of opal accumulation rates is interpreted as a long-term "Polar Front Indicator" that monitors the advance and retreat of the opal-rich PFZ northward (southward) toward (away from) the Meteor Rise in the subantarctic sector of the South Atlantic Ocean. The timing of PFZ migrations in the subantarctic South Atlantic Ocean is remarkably similar to Pliocene-Pleistocene climate records deduced from benthic oxygen isotope records in the North Atlantic Ocean (Raymo et al., 1989, doi:10.1029/PA004i004p00413; Ruddiman et al., 1989, doi:10.1029/PA004i004p00353). These include northward migrations during "cold" intervals containing strong glacial isotope stages (2.4-2.3, 2.1-2.0, 1.95-1.55, 1.45-1.30 m.y. and at about 1.13 and 1.09 m.y.) and southward migrations during "warm" intervals containing weak glacial and/or strong interglacial stages (2.45-2.40, 2.30-2.10, 2.00-1.95, 1.52-1.45, 1.30-1.18, 1.11, and 1.06-0.93 m.y.). Although our preliminary composite record is not continuous (some stages are obviously missing), there is hope that future work will identify these missing intervals in the as yet incomplete Hole 704B and will extend this high-resolution Southern Hemisphere climate record back to 8.6 m.y.

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Mesopelagic fish were collected using a 1 m**2 Double-MOCNESS (Multiple Opening and Closing Net and Environmental Sensing System) and 4.5 m**2 IKMT (Isaacs-Kidd midwater trawl). The main portion of the IKMT was 20 mm knotted nylon, and the tail bag was 3 mm knotless nylon. Oblique IKMT tows were made to a maximum depth of 500 m at a tow speed of 3.5 knots. The original cruise plan intended for nighttime IKMT tows, but tow times varied due to operational constraints. The MOCNESS was equipped with 20 nets of 333 µm mesh size; 10 nets per side. The towing speed was 2 knots. Samples were collected to a maximum depth of 1250 m. The first oblique nets sampled from the surface to the max depth, and the other nets sampled depth stratified bins of the water column. MOCNESS hauls were performed during day and night to investigate diel vertical migrations. Mesoplelagic fish were processed on board. All fish were picked from all IKMT nets, most oblique MOCNESS nets, and the left side nets of the depth stratified MOCNESS samples. The Depth stratified nets from the right side of the MOCNESS frame were preserved in 5 % formalin for future quantitative analyses of the nekton. Fish were identified to the lowest possible taxa using Whitehead et al. (1984) and Fahay (2007). Standard length of each fish was measured to the nearest 0.1 mm using a digital caliper. Measured and identified fish were frozen in an -80 °C freezer, and shipped to the University of Hamburg at the end of the cruise.

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En 1929 aparece el primer número de AA (L’architecture d’aujourd’hui), en 1932 existe un número-Monografía sobre los hermanos Perret, escrita por Pierre Vago, en 1946 se consolida como revista mensual y bajo la fundación de Andre Bloc. El primer número de AA que tengo en mi biblioteca es el número 34 (febrero-Marzo) de 1951. Mediante la lectura observada de una colección como AA, la determinación de unos capítulos representativos y la elección de imágenes de su tiempo se explican estos 57 años de arquitectura, cuyos resultados de un proceso temporal disfrutamos desde hace aproximadamente veinte años. A principio de los años cincuenta un grupo de jóvenes arquitectos, denso e intercomunicado en los congresos CIAM se propone situar la realidad de la arquitectura en los principios y realidades de su tiempo y de los que se intuyen futuro. Resultados de la Segunda Gran Guerra no son solo tragedias humanas sino gran investigación y desarrollo concretada industrialmente, enormes movimientos de personas en Europa y una sociedad enormemente optimista en USA, todo esto producirá las grandes transformaciones sociales de los 60’ y sus concreciones tecnológicas, políticas y desarrollo. Muchos arquitectos, publicaciones, concursos o decisiones políticas o privadas han producido el catalogo de arquitecturas de estos años, desde el CIAM IX hasta el POMPIDOU, desde la casa GEHRY hasta el KUNSTHAL, desde BRASILIA hasta SIDNEY, desde COPLEJIDAD Y CONTRADICCIÓN hasta DELIRIOS DE NY, desde OSAKA hasta MUNICH. En todas han existido un esfuerzo enorme por concretar la realidad de nuestras aspiraciones desde las puramente ideológicas de introspección social, hasta las concreciones de imagen directa. Varias líneas he abierto en mi proceso de investigación, las he llamado “anillos” porque todas estas líneas tienen similitud con los “anillos de crecimiento” de los árboles en cuanto a como se presentan en la estructura de formación y ha la cantidad de información no solo interna sino externa que aportan sobre la estructura árbol, su medio y la historia. Igual que podemos saber las temperaturas o las pluviometría que cubrieron Europa en la edad media solo estudiando los anillos de crecimiento de nuestro árboles (su grosor), de igual forma repasando LOS CONCURSOS y sus resultados que existieron en los últimos cincuenta años, podemos entender las aspiraciones y concreciones de las sociedades y sus arquitectos en este tiempo. Cuatro capítulos, los mas determinantes son los elegidos para dar cuerpo a una TESIS de tamaño capaz: Las ideas, el futuro, las referencias y el presente son los capítulos que de forma visual intentan explicar el fruto arquitectónico, sus aspiraciones y sus concreciones. Las ideas sin ninguna duda, pertenecen a los padres de nuestro tiempo, son las del Team X, la reflexión sobre lo perecedero, las realidades programáticas, densidades o lo publico-privado son solo planetas en el universo de sus ideas. El futuro lo trazaron aquellos que empezaron a investigar, concretar o reflexionar sobre la incidencia tanto de los procesos industriales con sus nuevos materiales como de las nuevas concreciones urbanas que los movimientos migratorios producirían en las ciudades. Las referencias son las bibliotecas de carácter informativo-visual que han generado nuestro inventario icónico. El presente son las imágenes de referencia de nuestro tiempo-mediático, no solo las produce un arquitecto (en este caso R.Koolhas), pero si que es verdad que en las imágenes arquitectónicas de OMA se concreta todo el catalogo de arquitecturas del presente. ENGLISH SUMMARY The fisrt AA (l´Architecture d´Aujourd´hui) issue was published in 1929, three years later, in 1932, a monographic issue on Perret brothers was written by Pierre Vago and in 1946 the magazine was strongly established as a monthly publication under the direction of André Bloc. The oldest copy I own on my bookshelves is nº 34 printed in February-March 1951. While carefully reading a collection such as AA we are able to extract representative chapters and images that can explain a linear process lasting 57 years of fruitful architectural production of which consequences we have been enjoying the past twenty years. In the early fifties a compact group of young architects linked by the CIAM congress decided to encompass architectural reality to the needs and principles of their time. Not only big human tragedies arose from the Second World War but also some of the fastest industrial inventions due to a powerful will to development, that altogether with european migrations and a high standard of optimism in the United States headed to the peak transformations of the sixties and their technological and political development. A bunch of architects, magazines and architectural competitions sided by political and private decisions produced the architectural catalogue of those years, from CIAM IX to the Pompidou art centre, from Gerhy´s house to the Kunsthal museum, from Brasilia to Sidney, from “Complexity and Contradiction“ to “Delirious NY” and from Osaka all the way to Munich. All of them carried a vast effort towards the concretion of will, from social introspection to a more effective development of images. Several paths run across my investigation, namely “the rings”, as they tend to behave as a growing structure like a tree trunk, providing internal and external information not only of the vegetal element but also of the environment and events crossing its time. In the same direction as we are able to predict the weather in the Middle Age by means of studying our forests, we can use the architectural competitions ant their results for the past fifty years to understand the will and ambitions of these developing societies and their architects. To give shape to a sizeable thesis the selected information has been packed in four chapters: Ideas, Future, References and Present, each of them structured as an Image bank visualizing the architectural product, its will and specific ambition. The first group, Ideas, is devoted entirely to the step-fathers of present architecture, with ideas that belong to TEAM X and embrace the reflection about the transitory, the programmatic reality, density or the public-private debate as wandering planets of their ideal universe. The second group is dedicated to a Future that was traced by those engaged on industrial processes and new material investigation together with some others exploring new urban concretions brought to existence by the pressure of the after war migrations. The third group, References, have been shaped as a stock-list containing all our iconic cross-references. The last group, Present, brings together the icons of this media-time we live in and not only those produced by one single architect (Rem Koolhaas) even if his production embodies all architectural references at the moment.

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El siglo XX ha sido el siglo de los desplazamientos. Una ingente cantidad de personas fueron forzadas por motivos políticos, o se vieron obligadas por motivos económicos, a abandonar sus territorios de origen, generando un distanciamiento que en la mayoría de los casos resultaría irrecuperable. Las penurias vividas en Europa, las oportunidades que se abrían en países americanos, o la presión ejercida por los regímenes totalitarios, llevaron a un buen número de profesionales, artistas e intelectuales europeos a territorio americano. El presente trabajo se propone indagar sobre una de esas migraciones que se establecieron en Latinoamérica en la primera mitad del siglo XX: la de los arquitectos españoles que se vieron forzados al exilio. Para ello se busca poner en evidencia no sólo sus aportaciones sino también la influencia que ejerció en su obra la cultura de los países de adopción. Venezuela recibió gran parte del contingente de arquitectos españoles desplazados como consecuencia de la Guerra Civil. Tras México fue el país que mayor número acogió. La llegada de dichos exiliados coincidió con el momento en que la sociedad venezolana, de base agrícola y comercial, pasaría a evidenciar el impacto de la revolución petrolera. Así pues, dicha llegada supuso no sólo la dramática pérdida del mundo previo, implícita en todo exilio, sino el arribo a una sociedad en profundo proceso de cambio. En ambos casos se trataba de “mundos que se desvanecen”. Se propone la asunción de la obra de dichos profesionales como una arquitectura desplazada. Un desplazamiento que se produce en dos sentidos: por un lado, se trata de un desplazamiento físico, por otro, la palabra desplazada habla también de la condición secundaria que adquiere la arquitectura ante el drama vital y de supervivencia que afectó a los exiliados. Así pues, a un desplazamiento físico, verificable, se une un desplazamiento en cuanto al nivel de importancia y de atención asignado a la arquitectura. El trabajo comprende una introducción, cuatro capítulos, y un epílogo, a modo de conclusión. A lo largo de dichos capítulos se conjugan el enfoque individual en la obra de uno de estos arquitectos desterrados, Rafael Bergamín, y la visión “coral” de diversas trayectorias vitales que enfrentaron un destino común. Se elige la figura de Bergamín como eje de desarrollo debido a la presencia significativa que tuvo su obra tanto en España como en Venezuela, y por la caracterización de la misma como obra construida en colaboración. La introducción, “Exilios arquitectónicos”, muestra el sustrato estructural, la fundamentación y la metodología empleada, incluyendo “problematizaciones” sobre el exilio arquitectónico. El primer capítulo, “Memoria de partida”, da cuenta de la formación y actuación, durante la preguerra, de los arquitectos españoles que saldrían al exilio. Se introduce un esquema de base generacional y se revela un panorama para nada unívoco. El segundo capítulo, “Guerra y salida al exilio”, aborda la actuación de dichos arquitectos durante la contienda bélica así como la posterior dispersión general del exilio. El tercer capítulo, “Construir desde lo que se desvanece. Arquitectos del exilio español en Venezuela”, propone diversos presupuestos conceptuales en torno al tema del desplazamiento en la arquitectura, revisando la adscripción disciplinar y profesional de los arquitectos españoles exiliados en Venezuela. El cuarto capítulo, “El regreso”, versa sobre el recorrido final de estos arquitectos. Como marco general, se revisa su itinerario de regreso o, en muchos casos, la imposibilidad de retorno. Por último, se dispone la fuente de los diversos documentos de archivos y repositorios, así como el aparato bibliográfico y referencial, empleados en la investigación. Tres anexos se adjuntan al corpus del trabajo. El primero presenta documentos inéditos, hallados durante el pertinente proceso de investigación; el segundo, dibujos de Bergamín, básicamente de las primeras décadas del siglo XX: caricaturas, anuncios y trabajos de la Escuela; el tercero, un esbozo biográfico de los arquitectos del exilio español. ABSTRACT The 20th Century has been the century of displacements. An enormous number of people were forced to leave their homelands for political or economic reasons, which generated a gap that in most of the cases would be unrecoverable. The hardships that people had to endure in Europe, the opportunities that emerged in American countries, or the pressure exerted by totalitarian regimes drove a good number of European professionals, artists and intellectuals to American territory. This research study is intended to investigate one of those migrations that settled in Latin America during the first half of the 20th century: the one of the Spanish architects that were forced into exile. To achieve this, an attempt was made to expose not only their contributions but also the influence that the culture of the countries which welcomed them exerted in their work. Venezuela received a large portion of Spanish architects who were displaced as a consequence of the Civil War. After Mexico, it was the country that sheltered the greatest number of persons. The arrival of these exiled Spanish architects coincided with the moment in which the Venezuelan society – based on agriculture and commerce – would witness the impact of the revolution of the oil industry. Thus, their arrival supposed not only experiencing the dramatic loss of their previous world – implicit in the notion of the exile – but also settling in a society going through a profound change process. In both cases it was about “two worlds that were vanishing.” The assumption of these architects’ work is regarded as a displaced architecture. A displacement that takes place in two ways: on one hand, there was a physical displacement, and on the other hand, the word displaced also talks about the second place that architecture is given when confronted with the urgent drama of survival that affected the exiled community. Hence, a physical, verifiable displacement is combined with a displacement that has to do with the importance and the attention given to architecture. This research study encompasses an introduction, four chapters, and an epilogue as a conclusion. Throughout the chapters, the individual approach to the work of one of these exiled architects, Rafael Bergamín, runs in parallel to an overall view of various other architects’ career paths that faced a common destiny. The work of the architect Bergamín was chosen as the center of this research study due to the significant presence that his work had in Spain as well as in Venezuela, and because its main characteristic was that it was built in collaboration with other architects. The introduction, “Architectural exiles”, shows the structural contextualization, the explanatory thesis statement and the methodology used, including “problematizations” about the architectural exile. The first chapter, “Memory of departure”, contains the academic background and performance during the pre-war time of the Spanish architects that would go into exile. An outline based on different generations and revealing an unambiguous perspective is introduced. The second chapter, “War and departure into exile”, tackles the performance of the Spanish architects during the war, as well as the following general diaspora into exile. The third chapter, “Building from what vanishes. Architects of the Spanish exile in Venezuela”, proposes various conceptual assumptions concerning the topic of displacement in architecture according to the doctrine and professional affiliations of the Spanish architects exiled in Venezuela. The fourth chapter, “The return”, deals with the end of these architects’ careers. As a general framework, their itineraries to return, or in many cases, the impossibility of returning, are reviewed. Finally, the sources to the various documents of files and repositories, as well as the bibliographical references consulted for the research, are provided. Three annexes have been attached to this research study. The first annex contains unpublished documents found during the research process; the second includes Bergamín’s drawings, basically from the first decades of the 20th century, such as, caricatures, advertisements and assignments done when he was a university student; and the third annex presents a biographical outline of the architects of the Spanish exile.