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Campos Arévalo, María Antonia - One of the best experts on this subject based on the ideXlab platform.
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La voluntad moderna en la vivienda unifamiliar : Caracas 1945-1965
Universitat Politècnica de Catalunya, 2016Co-Authors: Campos Arévalo, María AntoniaAbstract:The first political trame of the Venezuela Urban History, established by "La Comisión Municipal de Urbanismo"in 1937;"La Dirección de Urbanismo","El Plan Monumental de Caracas' in 1939 and the 1952 and 1954 Caracas planimetry regulation plan, ruled the Urban planning development and appointed a new social and institutional order.With the single-family house concept as a study unit, the first city densification process was established, following an open connected set of statutes and Urban plans, during the 1945-1965 period.For which it is of undoubtedly testimonial value in the city's morphological growth. From the simplicity of Armando Reveron's El Castillete in 1920 and Carlos Raúl Villanueva's Caoma 1951-1952 and Sotavento 1957-1958 at the littoral central coast; as well as Dirk Bornhorst's Hato Hamburgo1956 and Klaus Heufer's Quinta 'H' 1960 in Caracas, are clear examples of the constructive outthrust in which the house is built using the single-family house concept.lnitial demonstrations that compose the spirit of the time and the starting point of this study. The analysis explores processes architectonic, considering as a fact what belongs to the local place. A method that will prove,which ones are the great 'invariants' that a culture transmits and how they can be used as materials of the project. The single-family house concept developed by a group of foreigners architects, concretes the notion of modern will. Some of them lived in Venezuela ,in the United States; others went back to Europe; but, all of them made multiple contributions out of the experience they brought from their countries of origin.The method (means,way) of interaction with the local scenery sets the introduction to the first steps of the project activity between the local people, the outsiders and the landscape. However,it is just only through the single-family house concept that the following personalities stand out: Jan Gorecki (1914), Russian origin; Klaus Heufer (1923) and Dirk Bornhorst (1927), both born in Germany; Richard Neutra (1892-1970), Austrian origin;Arthur Khan (1910) born in lstanbul, Turkey and finally: Gio Ponti (1897-1970), Domenico Fillipone(1903-1976), Athos Albertoni (1905-1977) and Guido Guazzo (1930), all of ltalian precedence.The significance of the whole process goes far beyond the constructive assorted offer; there existed a concentrated and significant amount of architectural requests at national level; mainly, impelled by and as a consequence of an intense and profitable oíl activity, between 1945 and 1965. During this period, the European architects, the Venezuelan ones and their clients, showed an ostensible national leadership. They constitute a generation that prompted the construction of a new stage in the local architecture.The typology of the single-family house projected by these professionals was driven in a particular way during the mentioned period, reached an important grade of development and a great conceptual and formal quality.Their own houses play a main role in the repertory that composes this investigation (investigative work) and with them,through them; we reach the point of defining the modern will in the single-family house concept. Over this ordered plan and putting into execution,we recognized the customs transmitted from one generation to another-the requirements and the mixture.The passing from the landed property colonial house toward the 'Quinta' and the modern single-family house concept, as a model of expansion of the city and under a plastic focalization at which the open plant is recognized as a principie of spatial organization, open forms, as a general concept.The court, as an architectonic element susceptible to new possibilities of interpretation.The modern will in the single-family house it's a permanent invitation to bring an interior habitable space to the exterior, which is so typical from Caracas and that indeed extended the space farther beyond the own limits of the volume.El primer marco político de la historia Urbana venezolana que constituye la Comisión Municipal de Urbanismo en 1937, la Dirección de Urbanismo, el Plan Monumental de Caracas de 1939 y la información planimétrica del plan regulador de Caracas 1952 y 1954 regularon el desarrollo la planificación Urbana del país y señalaron un nuevo orden social e institucional. Con la vivienda unifamiliar unidad de estudio se estableció la primera densificación de la ciudad siguiendo un conjunto abierto de ordenanzas y planes Urbanos, durante el periodo de 1945 a 1965. Por lo que es indudable su valor testimonial en el desarrollo morfológico de la ciudad. Desde el sencillo Castillete 1920 de Armando Reverán, las casas de la ciudad y del litoral central tales como: Caoma 1951-52 y Sotavento 1957-58 de Carlos Raúl Villanueva, el Hato Hamburgo 1956, de Dirk Bornhorts y la Quinta "H" 1960, de Klaus Heufer son ejemplos del empuje constructivo en el que se hace la ciudad con la vivienda unifamiliar. Demostraciones iniciales que componen el espíritu de la época y el punto de partida de este estudio. El análisis explora procesos específicamente arquitectónicos, considerando como hecho clave lo que pertenece al lugar o viene de otro país. Un método que comprobará, cuáles son las grandes "invariantes" que una cultura transmite y de qué manera se pueden utilizar como materiales de proyecto. La vivienda unifamiliar desarrollada por un grupo de profesionales foráneos concretan la noción de voluntad moderna. Algunos se radicaron en Venezuela, en los Estados Unidos; otros regresaron a Europa, pero todos hicieron múltiples contribuciones a partir de la experiencia que traían desde sus lugares de origen. El medio de interacción con el paisaje es la introducción de los primeros pasos de la actividad proyectual entre el hombre local, los forasteros y el paisaje. Sin embargo, solo a través de los proyectos de viviendas unifamiliares se destacan las siguientes personalidades: Jan Gorecki (1914) de origen ruso; Klaus Heufer (1923) y Dirk Bornhorst (1927) -ambos nacidos en Alemania; Richard Neutra (1892-1970), de origen austríaco; Arthur Kahn (1910) nacido en Estambul, Turquía; y finalmente, Gio Ponti (1897-1970), Domenico Fillipone (1903-1976), Athos Albertoni (1905-1977) y Guido Guazzo (1930), todos de procedencia italiana. La significación va más allá del surtido constructivo: existió una concentración de encargos a nivel nacional como una consecuencia impulsada por la actividad petrolera entre 1945 y 1965. Durante este periodo los arquitectos europeos, los arquitectos venezolanos y junto con los clientes, ostentaron un sólido liderazgo nacional. Constituyen la generación que impulsó la construcción de una nueva etapa de la arquitectura local. La tipología de la vivienda unifamiliar proyectada por estos profesionales fue impulsada de forma particular en el lapso señalado, alcanzó un importante grado de desarrollo y gran calidad conceptual y formal. Sus propias viviendas forman parte del repertorio de esta investigación y con ellas se logra definir la voluntad moderna en la vivienda unifamiliar. Sobre este planteamiento de ordenación se reconocen las costumbres que se trasmitieron de generación en generación -los resquisios y la mezcla-. El paso de la casa de hacienda colonial hacia la quinta y la casa unifamiliar moderna como modelo de expansión de la ciudad bajo un enfoque plástico en el que se reconoce el empleo de la planta libre como un principio organización espacial, las formas abiertas, como un concepto general. El patio, como elemento arquitectónico susceptible a nuevas posibilidades de interpretación. La voluntad moderna en la vivienda unifamiliar. La benevolencia del clima tropical constituye una invitación a llevar el espacio habitable del interior al exterior que son tan caraqueños como tropicales y que en efecto extendieron el espacio más allá de los propios límites del volume
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La voluntad moderna en la vivienda unifamiliar : Caracas 1945-1965
Universitat Politècnica de Catalunya, 2016Co-Authors: Campos Arévalo, María AntoniaAbstract:The first political trame of the Venezuela Urban History, established by "La Comisión Municipal de Urbanismo"in 1937;"La Dirección de Urbanismo","El Plan Monumental de Caracas' in 1939 and the 1952 and 1954 Caracas planimetry regulation plan, ruled the Urban planning development and appointed a new social and institutional order.With the single-family house concept as a study unit, the first city densification process was established, following an open connected set of statutes and Urban plans, during the 1945-1965 period.For which it is of undoubtedly testimonial value in the city's morphological growth. From the simplicity of Armando Reveron's El Castillete in 1920 and Carlos Raúl Villanueva's Caoma 1951-1952 and Sotavento 1957-1958 at the littoral central coast; as well as Dirk Bornhorst's Hato Hamburgo1956 and Klaus Heufer's Quinta 'H' 1960 in Caracas, are clear examples of the constructive outthrust in which the house is built using the single-family house concept.lnitial demonstrations that compose the spirit of the time and the starting point of this study. The analysis explores processes architectonic, considering as a fact what belongs to the local place. A method that will prove,which ones are the great 'invariants' that a culture transmits and how they can be used as materials of the project. The single-family house concept developed by a group of foreigners architects, concretes the notion of modern will. Some of them lived in Venezuela ,in the United States; others went back to Europe; but, all of them made multiple contributions out of the experience they brought from their countries of origin.The method (means,way) of interaction with the local scenery sets the introduction to the first steps of the project activity between the local people, the outsiders and the landscape. However,it is just only through the single-family house concept that the following personalities stand out: Jan Gorecki (1914), Russian origin; Klaus Heufer (1923) and Dirk Bornhorst (1927), both born in Germany; Richard Neutra (1892-1970), Austrian origin;Arthur Khan (1910) born in lstanbul, Turkey and finally: Gio Ponti (1897-1970), Domenico Fillipone(1903-1976), Athos Albertoni (1905-1977) and Guido Guazzo (1930), all of ltalian precedence.The significance of the whole process goes far beyond the constructive assorted offer; there existed a concentrated and significant amount of architectural requests at national level; mainly, impelled by and as a consequence of an intense and profitable oíl activity, between 1945 and 1965. During this period, the European architects, the Venezuelan ones and their clients, showed an ostensible national leadership. They constitute a generation that prompted the construction of a new stage in the local architecture.The typology of the single-family house projected by these professionals was driven in a particular way during the mentioned period, reached an important grade of development and a great conceptual and formal quality.Their own houses play a main role in the repertory that composes this investigation (investigative work) and with them,through them; we reach the point of defining the modern will in the single-family house concept. Over this ordered plan and putting into execution,we recognized the customs transmitted from one generation to another-the requirements and the mixture.The passing from the landed property colonial house toward the 'Quinta' and the modern single-family house concept, as a model of expansion of the city and under a plastic focalization at which the open plant is recognized as a principie of spatial organization, open forms, as a general concept.The court, as an architectonic element susceptible to new possibilities of interpretation.The modern will in the single-family house it's a permanent invitation to bring an interior habitable space to the exterior, which is so typical from Caracas and that indeed extended the space farther beyond the own limits of the volume.El primer marco político de la historia Urbana venezolana que constituye la Comisión Municipal de Urbanismo en 1937, la Dirección de Urbanismo, el Plan Monumental de Caracas de 1939 y la información planimétrica del plan regulador de Caracas 1952 y 1954 regularon el desarrollo la planificación Urbana del país y señalaron un nuevo orden social e institucional. Con la vivienda unifamiliar unidad de estudio se estableció la primera densificación de la ciudad siguiendo un conjunto abierto de ordenanzas y planes Urbanos, durante el periodo de 1945 a 1965. Por lo que es indudable su valor testimonial en el desarrollo morfológico de la ciudad. Desde el sencillo Castillete 1920 de Armando Reverán, las casas de la ciudad y del litoral central tales como: Caoma 1951-52 y Sotavento 1957-58 de Carlos Raúl Villanueva, el Hato Hamburgo 1956, de Dirk Bornhorts y la Quinta "H" 1960, de Klaus Heufer son ejemplos del empuje constructivo en el que se hace la ciudad con la vivienda unifamiliar. Demostraciones iniciales que componen el espíritu de la época y el punto de partida de este estudio. El análisis explora procesos específicamente arquitectónicos, considerando como hecho clave lo que pertenece al lugar o viene de otro país. Un método que comprobará, cuáles son las grandes "invariantes" que una cultura transmite y de qué manera se pueden utilizar como materiales de proyecto. La vivienda unifamiliar desarrollada por un grupo de profesionales foráneos concretan la noción de voluntad moderna. Algunos se radicaron en Venezuela, en los Estados Unidos; otros regresaron a Europa, pero todos hicieron múltiples contribuciones a partir de la experiencia que traían desde sus lugares de origen. El medio de interacción con el paisaje es la introducción de los primeros pasos de la actividad proyectual entre el hombre local, los forasteros y el paisaje. Sin embargo, solo a través de los proyectos de viviendas unifamiliares se destacan las siguientes personalidades: Jan Gorecki (1914) de origen ruso; Klaus Heufer (1923) y Dirk Bornhorst (1927) -ambos nacidos en Alemania; Richard Neutra (1892-1970), de origen austríaco; Arthur Kahn (1910) nacido en Estambul, Turquía; y finalmente, Gio Ponti (1897-1970), Domenico Fillipone (1903-1976), Athos Albertoni (1905-1977) y Guido Guazzo (1930), todos de procedencia italiana. La significación va más allá del surtido constructivo: existió una concentración de encargos a nivel nacional como una consecuencia impulsada por la actividad petrolera entre 1945 y 1965. Durante este periodo los arquitectos europeos, los arquitectos venezolanos y junto con los clientes, ostentaron un sólido liderazgo nacional. Constituyen la generación que impulsó la construcción de una nueva etapa de la arquitectura local. La tipología de la vivienda unifamiliar proyectada por estos profesionales fue impulsada de forma particular en el lapso señalado, alcanzó un importante grado de desarrollo y gran calidad conceptual y formal. Sus propias viviendas forman parte del repertorio de esta investigación y con ellas se logra definir la voluntad moderna en la vivienda unifamiliar. Sobre este planteamiento de ordenación se reconocen las costumbres que se trasmitieron de generación en generación -los resquisios y la mezcla-. El paso de la casa de hacienda colonial hacia la quinta y la casa unifamiliar moderna como modelo de expansión de la ciudad bajo un enfoque plástico en el que se reconoce el empleo de la planta libre como un principio organización espacial, las formas abiertas, como un concepto general. El patio, como elemento arquitectónico susceptible a nuevas posibilidades de interpretación. La voluntad moderna en la vivienda unifamiliar. La benevolencia del clima tropical constituye una invitación a llevar el espacio habitable del interior al exterior que son tan caraqueños como tropicales y que en efecto extendieron el espacio más allá de los propios límites del volumenPostprint (published version
Wenjie Wang - One of the best experts on this subject based on the ideXlab platform.
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the effect of Urbanization gradients and forest types on microclimatic regulation by trees in association with climate tree sizes and species compositions in harbin city northeastern china
Urban Ecosystems, 2019Co-Authors: Wenjie Wang, Wei Zhou, Lu Xiao, Bo Zhang, Hailiang Lv, Hongyuan Wang, Hongju Du, Xingyuan HeAbstract:Rapid Urbanization and climate change require stronger microclimatic regulation by Urban trees, and maximizing their cooling, humidifying, and shading functions requires an exact understanding of the underlying mechanisms affected by climatic conditions and the forest characteristics. By measuring different aspects of microclimate regulation by Urban trees in 165 plots in Harbin city and measuring climatic conditions, tree size, and compositional differences, we define changes in patterns along various Urban-rural gradients (ring-road development and Urban History) and for different forest types and decoupling the complex associations among them. We found that the horizontal cooling (1.7 °C to 4.0 °C) was larger than the vertical cooling (−1.71 °C to 0.33 °C) and soil cooling (0.28 °C to 2.17 °C); The humidifying effect (ΔRH) ranged from −0.34% to 7.30%, and total radiation intercepted (ΔE) ranged from 11.07 kLux to 45.95 kLux. We also found higher under-branch height, larger canopy, and higher percentage of Ulmaceae, but lower percentage of Salicaceae in more Urbanized regions. The relative importance of tree compositions and size on microclimatic regulation was shown using redundancy analysis (RDA), and RDA variation partitioning showed that tree sizes explained 24.7% of the variations in the microclimate regulations, and tree composition and their interactions with climatic conditions explained 9.5% and 25.4% of the variations, respectively. Our findings reveal that maximizing microclimatic regulation by Urban forests in northeastern China could possibly be achieved through specific-function-oriented afforestation and an increase conservation of large existing trees, and the data in this paper could favor policy decision of Urban forest manager and local administration of Urban green infrastructure.
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glomalin changes in Urban rural gradients and their possible associations with forest characteristics and soil properties in harbin city northeastern china
Journal of Environmental Management, 2018Co-Authors: Wenjie Wang, Qiong A Wang, Wei Zhou, Lu Xiao, Huimei WangAbstract:Glomalin-related soil protein (GRSP) is a glycoprotein from the hyphae and spores of arbuscular mycorrhizal fungi. Despite Urbanization being the leading cause of present-day land-use changes, there is limited information available on the effects of Urbanization on GRSP. We sampled soil from 257 plots in Harbin City, China, and surveyed forest characteristics, soil properties, and Urbanization gradients related to ring road development, Urban History, and land use. Two glomalin components (easily extracted glomalin, EEG; and total glomalin, TG) and their relative contributions to soil organic carbon (SOC: EEG/SOC, TG/SOC) were measured in the laboratory. We found exponential increases in EEG/SOC and TG/SOC from the most Urbanized to the most rural regions, indicating that Urbanization sharply reduced glomalin-related SOC sequestration. In general, 1.3-1.4-fold higher glomalin levels were found in the newly Urbanized, previously rural areas, while glomalin contribution to SOC sequestration was lower by 38-59% for EEG and 74-85% for TG in the most Urbanized regions compared to rural regions. Accompanying these recorded changes in glomalin, linear decreases in soil pH and electrical conductance were observed in all three Urban-rural gradients from the Urban center to the rural area, and steep decreases in conifer ratio and shrub richness were seen in two of the gradients. The complex associations among glomalin and forest characteristics, soil properties, and Urbanization gradients were decoupled and cross-checked using redundancy analysis variation partitioning and structural equation model analysis. Urbanization indirectly changed glomalin features by altering soil properties, with soil properties accounting for over 60% of the glomalin variation. Forest characteristics and Urbanization gradients contributed to 10-15% of the glomalin variation. With rapid Urbanization occurring in China and on a global scale, glomalin variation should be considered when evaluating soil carbon sequestration and in developing effective forest management strategies, with the aim of ameliorating soil degradation in Urbanized regions by rehabilitating glomalin accumulation.
Hugo Delile - One of the best experts on this subject based on the ideXlab platform.
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rome s Urban History inferred from pb contaminated waters trapped in its ancient harbor basins
Proceedings of the National Academy of Sciences of the United States of America, 2017Co-Authors: Hugo Delile, Duncan Keenanjones, Janne Blicherttoft, Jeanphilippe Goiran, Florent Arnaudgodet, Francis AlbaredeAbstract:Heavy metals from Urban runoff preserved in sedimentary deposits record long-term economic and industrial development via the expansion and contraction of a city’s infrastructure. Lead concentrations and isotopic compositions measured in the sediments of the harbor of Ostia—Rome’s first harbor—show that lead pipes used in the water supply networks of Rome and Ostia were the only source of radiogenic Pb, which, in geologically young central Italy, is the hallmark of Urban pollution. High-resolution geochemical, isotopic, and 14C analyses of a sedimentary core from Ostia harbor have allowed us to date the commissioning of Rome’s lead pipe water distribution system to around the second century BC, considerably later than Rome’s first aqueduct built in the late fourth century BC. Even more significantly, the isotopic record of Pb pollution proves to be an unparalleled proxy for tracking the Urban development of ancient Rome over more than a millennium, providing a semiquantitative record of the water system’s initial expansion, its later neglect, probably during the civil wars of the first century BC, and its peaking in extent during the relative stability of the early high Imperial period. This core record fills the gap in the system’s History before the appearance of more detailed literary and inscriptional evidence from the late first century BC onward. It also preserves evidence of the changes in the dynamics of the Tiber River that accompanied the construction of Rome’s artificial port, Portus, during the first and second centuries AD.
Susanne Rau - One of the best experts on this subject based on the ideXlab platform.
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thinking spatially new horizons for Urban History
Urban History, 2020Co-Authors: Richard Rodger, Susanne RauAbstract:A new opportunity, and a new challenge, presents itself to Urban historians. In order to obtain a deeper understanding of historical Urban space and spatial relationships, the contributors to this Special Issue deploy new techniques of spatial analysis using mapping tools to explore the density, frequency and proximity of various features of towns and cities. The contributors focus on case-studies at various Urban scales – from major commercial centres (New York, Rome, Paris and London) – to smaller towns in the Urban hierarchy. They also range across the tenth to the twentieth centuries and so challenge a common assumption that mapping the town is essentially an approach best suited to the modern period. Individually and collectively, the authors demonstrate how the Urban morphology of the city developed and how durable that spatial patterning can be.
Michael E. Smith - One of the best experts on this subject based on the ideXlab platform.
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THE History IN Urban STUDIES: A COMMENT
Journal of Urban Affairs, 2011Co-Authors: Richard Harris, Michael E. SmithAbstract:ABSTRACT:A recent survey of the field of Urban studies in this journal downplayed or overlooked the significance of Urban History. In fact textbook coverage, and an analysis of Urban publications in the Web of Science database, indicate that historical research has always played a major role in the field. For three reasons, it always should: the past shapes the present; the study of change encourages critical understanding; and the past offers many examples for use in comparative analysis.
