9 resultados para port city regeneration

em Universidad Politécnica de Madrid


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La presente tesis propone una metodología para medir variables de impacto socio económico en la ciudad Puerto de Valparaíso, como una alternativa que permite evaluar la asignación del uso y explotación del borde costero. La ciudad de Valparaíso se formó al alero de la actividad marítima portuaria, en sus comienzos esta actividad fue el motor de desarrollo económico de la ciudad, sus habitantes mantenían una alta dependencia de ésta actividad, formando una identidad y cultura portuaria. Con la decadencia de la actividad portuaria, producto principalmente a la construcción del canal de Panamá y a la modernización de los buques de transporte aumentando su distancia franqueable1, la ciudad fue dejando su dependencia de esta actividad. Hoy en día casi la totalidad del borde costero de la ciudad está asignado a las actividades portuarias con escasa participación laboral de los habitantes de la ciudad y una alta demanda urbana por el uso del borde costero. Por otra parte, la ciudad ha presentado en la última década altos niveles de cesantía, cuestionándose la verdadera utilidad de mantener un puerto en la ciudad. La investigación de la tesis permitió dimensionar la cantidad de firmas y actividades económicas que se desarrollaban en torno a la actividad marítima portuaria en la ciudad, cuantificando los empleos que éstas otorgaban a la ciudad, los niveles de remuneraciones, los tributos a la municipalidad de la ciudad, el aporte al comercio local, entre otros. Descubriéndose hallazgos que permiten reflexionar sobre la importancia del la actividad en el desarrollo económico actual y futuro de la ciudad. También los antecedentes obtenidos permiten contribuir a la evaluación de proyectos alternativos para el uso y explotación del borde costero. La metodología utilizada también puede ser adaptada para medir los beneficios de otras ciudades puertos en el mundo. Los resultados obtenidos fueron expuestos a las autoridades gubernamentales locales, presentados en seminarios y congresos nacionales e internacionales, como en la prensa local; los más destacados son: la actividad otorga 12.727 empleos directos e indirectos que corresponden al 12% de la fuerza laboral ocupada; la actividad representa el 19% del Producto Interno Bruto de la ciudad; la actividad aporta un 21% al presupuesto municipal por concepto de recaudación de tributos y representan un 11% del presupuesto total asignado al municipio por el Estado de Chile. El sector industrial marítimo-portuario de la ciudad sigue siendo la actividad industrial más relevante en la ciudad y demanda el desarrollo de una planificación estratégica que permita vincular la actividad turística de la ciudad vecina de Viña del Mar con la actividad portuaria de Valparaíso. Para lograr tal objetivo es necesario realizar cambios en los atributos de las operaciones portuarias que permitan ofrecer productos asociados al turismo. This thesis proposes a methodology to measure the socio economic variables in the port city of Valparaiso, as an alternative to evaluate the allocation of the usage and exploitation of the coastline. The city of Valparaiso was formed to advance the port maritime activity and in the beginning this activity was the engine of economic development of the city. Its inhabitants remained highly dependent on it and formed a port identity and culture. With the decline of port activity, mainly due to the construction of the Panama Canal and the modernization of the transport vessels increasing distances, the city lost its dependence on this activity. Today almost all of the coastline of the city is assigned to port activities with very little labor participation of the inhabitants of the city and a high demand for the use of urban waterfront. Moreover, the city has shown high levels of unemployment in the past decade, questioning the true value of maintaining a port in the city. The research of this thesis provides insights into the number of firms and economic activities that were developed around the port maritime activity in the city, quantifying the jobs they gave to the city, the levels of pay, taxes to the municipality of city and the contribution to local commerce, among others. The findings discovered allow reflexions on the importance of the activity in the current and future economic development of the city. The data obtained also allows a contribution of the evaluation of alternative projects for the use and exploitation of the coastline. The methodology can also be adapted to measure the benefits of other port cities in the world. The results were presented to local government authorities, at seminars and national and international conferences, and in the local press. The most important finding are: the activity maritime port activity provides 12,727 direct and indirect jobs that are 12% of the employed labor force; activity represents which is 19% of the GDP of the city, the activity contributes 21% to the municipal budget by way of the collection of taxes and represents 11% of the total budget allocated to the municipality by the Republic of Chile. The industrial maritime port sector of the city remains the most important industrial activity in the city and demands the development of strategic planning to link the tourism in the neighboring city of Viña del Mar and to the Valparaiso port activity. To achieve this goal it is necessary to make changes to the attributes of port operations that allow the offering of products associated with tourism.

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La Tesis Doctoral está organizada de la siguiente manera, la primera parte es la introducción e incluye los capítulos 1 y 2 en los que se plantea la problemática general puerto-ciudad y los antecedentes históricos en la evolución de los puertos y su relación con las ciudades. A continuación en el capítulo 3 se realiza una revisión de literatura repasando algunos de los estudios e investigaciones que han inspirado esta Tesis Doctoral. Posteriormente en el capítulo 4 se exponen las bases de partida que sirve para fundamentar la propuesta metodológica que se expone en el capítulo 5 basada en la aplicación del método AHP sobre una relación de índices e indicadores producto de la investigación. Finalmente, el capítulo 6 presenta las conclusiones y las líneas de investigación que quedan abiertas. This Thesis is organized as follows, the first part is the introduction and includes chapters 1 and 2 in which the general problem and historical background of the port-city relationship are presented. Then in chapter 3 a literature review is done by reviewing some of the studies and researches that have inspired this research. Later in chapter 5 the methodology based on the application of AHP (Analytic Hierarchy Process) method is formulated. This methodology uses a list of indicators deduced from the previous chapters. Finally, Chapter 6 presents the conclusions and suggests future research.

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Project planning and architectural management of a port area should include many variables, it must be in harmony with its environment and its historical development as the key to successful integration. This article explains the elements which should be taken into account when doing such planning by describing the proposal presented on the ?Concurso public internacional de ideas para proyectar la ordenación urbanística y arquitectónica del área central del puerto de Vigo?, with the aim of sharing comprehensive applied design philosofy, it will inspire and help future designers. Creative imagination is great added value to engineering creations, but should not overwhelm functionality and sustainability, but to be in harmony with them. The maximum aesthetic expression in engineering is achieved as the product of the conceptual elegance of the functionality of the structures.

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The need of the Bourbon monarchy to build a Naval Base in the Bay of Cartagena (Spain) during the eighteenth century, implied performing various actions on the environment which allowed the construction of the new dock. One of the priority actions was the transformation of the watershed of the streams that flowed into Mandaraches´s sea. For this reason, a dike was designed and constructed in the northern part of the city. The design of this great work, which was designed as a fortification of the city, was subject to considerable uncertainties. Its proximity to the city involved the demolition of several buildings in the San Roque´s neighborhood. The greater or lesser number of affected buildings and the value of the just indemnification for the expropriation of them, become decisive factors to determine if the work was viable for the Royal Estate or not.

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This thesis aims to identify landslide risk zones in Haiti as a whole (regional scale) and Port au Prince specifically (local scale) and to evaluate how this landslide risk can affect them, especially to Port au Prince, in order to elaborate recommendations in priority zones of the city. Landslide risk priority zones are marked in order to apply land management recommendations supported in the Haitian land tenure to reduce, mitigate or delete at maximum the possible damages that these zones can suffer in the future due to landslides. These recommendations are collected in order to stakeholders decide which of them are the best options for each priority zone. Different types of maps are generated in order to locate all landslide risk zones and priority zones.

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At this moment of extended economic, social and environmental crisis within which new interventions on the consolidated city are being set out, it is essential to count on the acquired experience in urban rehabilitation processes that were carried out in Spain during the last thirty years. Despite the complexity of this kind of processes and the diversity of the situations and actions that happened, this paper addresses the analysis of common patterns in twenty urban rehabilitation experiences. Different stages of the processes were studied, from the management to the regenerated areas in order to ease the design of new intervention initiatives.

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The processes of social and urban segregation have got worse during the last decades. Several studies have deepened into the analysis of the causes and consequences of these processes and have tried to define solutions that beyond eradicating some specific problems, were aimed at the consolidation of sustainable urban environments. This paper presents an approach to the problem of urban inequality based on the concept of urban vulnerability as something that goes beyond the social and economic problems. In exclusion processes it is very important to consider the urban context and the physical and structural conditions not only in each neighborhood but also in the city as a whole. The paper seeks to pose a reflection on the urban support, which is understood in all its complexity and thought to be a key to ensure access and the right to the city of the citizens most in need.

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After the 2010 Haiti earthquake, that hits the city of Port-au-Prince, capital city of Haiti, a multidisciplinary working group of specialists (seismologist, geologists, engineers and architects) from different Spanish Universities and also from Haiti, joined effort under the SISMO-HAITI project (financed by the Universidad Politecnica de Madrid), with an objective: Evaluation of seismic hazard and risk in Haiti and its application to the seismic design, urban planning, emergency and resource management. In this paper, as a first step for a structural damage estimation of future earthquakes in the country, a calibration of damage functions has been carried out by means of a two-stage procedure. After compiling a database with observed damage in the city after the earthquake, the exposure model (building stock) has been classified and through an iteratively two-step calibration process, a specific set of damage functions for the country has been proposed. Additionally, Next Generation Attenuation Models (NGA) and Vs30 models have been analysed to choose the most appropriate for the seismic risk estimation in the city. Finally in a next paper, these functions will be used to estimate a seismic risk scenario for a future earthquake.

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En las últimas tres décadas, las dinámicas de restructuración económica a nivel global han redefinido radicalmente el papel de las ciudades. La transición del keynesianismo al neoliberalismo ha provocado un cambio en las políticas urbanas de los gobiernos municipales, que han abandonado progresivamente las tareas de regulación y redistribución para centrarse en la promoción del crecimiento económico y la competitividad. En este contexto, muchas voces críticas han señalado que la regeneración urbana se ha convertido en un vehículo de extracción de valor de la ciudad y está provocando la expulsión de los ciudadanos más vulnerables. Sin embargo, la regeneración de áreas consolidadas supone también una oportunidad de mejora de las condiciones de vida de la población residente, y es una política necesaria para controlar la expansión de la ciudad y reducir las necesidades de desplazamiento, promoviendo así ciudades más sostenibles. Partiendo de la hipótesis de que la gobernanza de los procesos de regeneración urbana es clave en el resultado final de las operaciones y determina el modelo de ciudad resultante, el objetivo de esta investigación es verificar si la regeneración urbana es necesariamente un mecanismo de extracción de valor o si puede mejorar la calidad de vida en las ciudades a través de la participación de los ciudadanos. Para ello, propone un marco de análisis del proceso de toma de decisiones en los planes de regeneración urbana y su impacto en los resultados de los planes, tomando como caso de estudio la ciudad de Boston, que desde los años 1990 trata de convertirse en una “ciudad de los barrios”, fomentando la participación ciudadana al tiempo que se posiciona en la escena económica global. El análisis se centra en dos operaciones de regeneración iniciadas a finales de los años 1990. Por un lado, el caso de Jackson Square nos permite comprender el papel de la sociedad civil y el tercer sector en la regeneración de los barrios más desfavorecidos, en un claro ejemplo de urbanismo “desde abajo” (bottom-up planning). Por otro, la reconversión del frente marítimo de South Boston para la construcción del Distrito de Innovación nos acerca a las grandes operaciones de regeneración urbana con fines de estímulo económico, tradicionalmente vinculadas a los centros financieros (downtown) y dirigidas por las élites gubernamentales y económicas (la growth machine) a través de procesos más tecnocráticos (top-down planning). La metodología utilizada consiste en el análisis cualitativo de los procesos de toma de decisiones y la relación entre los agentes implicados, así como de la evaluación de la implementación de dichas decisiones y su influencia en el modelo urbano resultante. El análisis de los casos permite afirmar que la gobernanza de los procesos de regeneración urbana influye decisivamente en el resultado final de las intervenciones; sin embargo, la participación de la comunidad local en la toma de decisiones no es suficiente para que el resultado de la regeneración urbana contrarreste los efectos de la neoliberalización, especialmente si se limita a la fase de planeamiento y no se extiende a la fase de ejecución, y si no está apoyada por una movilización política de mayor alcance que asegure una acción pública redistributiva. Asimismo, puede afirmarse que los procesos de regeneración urbana suponen una redefinición del modelo de ciudad, dado que la elección de los espacios de intervención tiene consecuencias sobre el equilibrio territorial de la ciudad. Los resultados de esta investigación tienen implicaciones para la disciplina del planeamiento urbano. Por una parte, se confirma la vigencia del paradigma del “urbanismo negociado”, si bien bajo discursos de liderazgo público y sin apelación al protagonismo del sector privado. Por otra parte, la planificación colaborativa en un contexto de “responsabilización” de las organizaciones comunitarias puede desactivar la potencia política de la participación ciudadana y servir como “amortiguador” hacia el gobierno local. Asimismo, la sustitución del planeamiento general como instrumento de definición de la ciudad futura por una planificación oportunista basada en la actuación en áreas estratégicas que tiren del resto de la ciudad, no permite definir un modelo coherente y consensuado de la ciudad que se desea colectivamente, ni permite utilizar el planeamiento como mecanismo de redistribución. ABSTRACT In the past three decades, the dynamics of global economic restructuring have radically redefined the role of cities. The transition from keynesianism to neoliberalism has caused a shift in local governments’ urban policies, which have progressively abandoned the tasks of regulation and redistribution to focus on promoting economic growth and competitiveness. In this context, many critics have pointed out that urban regeneration has become a vehicle for extracting value from the city and is causing the expulsion of the most vulnerable citizens. However, regeneration of consolidated areas is also an opportunity to improve the living conditions of the resident population, and is a necessary policy to control the expansion of the city and reduce the need for transportation, thus promoting more sustainable cities. Assuming that the governance of urban regeneration processes is key to the final outcome of the plans and determines the resulting city model, the goal of this research is to verify whether urban regeneration is necessarily a value extraction mechanism or if it can improve the quality of life in cities through citizens’ participation. It proposes a framework for analysis of decision-making in urban regeneration processes and their impact on the results of the plans, taking as a case study the city of Boston, which since the 1990s is trying to become a "city of neighborhoods", encouraging citizen participation, while seeking to position itself in the global economic scene. The analysis focuses on two redevelopment plans initiated in the late 1990s. The Jackson Square case allows us to understand the role of civil society and the third sector in the regeneration of disadvantaged neighborhoods, in a clear example of bottom-up planning. On the contrary, the conversion of the South Boston waterfront to build the Innovation District takes us to the big redevelopment efforts with economic stimulus’ goals, traditionally linked to downtowns and led by government and economic elites (the local “growth machine”) through more technocratic processes (top-down planning). The research is based on a qualitative analysis of the processes of decision making and the relationship between those involved, as well as the evaluation of the implementation of those decisions and their influence on the resulting urban model. The analysis suggests that the governance of urban regeneration processes decisively influences the outcome of interventions; however, community engagement in the decision-making process is not enough for the result of the urban regeneration to counteract the effects of neoliberalization, especially if it is limited to the planning phase and does not extend to the implementation of the projects, and if it is not supported by a broader political mobilization to ensure a redistributive public action. Moreover, urban regeneration processes redefine the urban model, since the choice of intervention areas has important consequences for the territorial balance of the city. The results of this study have implications for the discipline of urban planning. On the one hand, it confirms the validity of the "negotiated planning" paradigm, albeit under public leadership discourse and without a direct appeal to the leadership role of the private sector. On the other hand, collaborative planning in a context of "responsibilization" of community based organizations can deactivate the political power of citizen participation and serve as a "buffer" towards the local government. Furthermore, the replacement of comprehensive planning, as a tool for defining the city's future, by an opportunistic planning based on intervention in strategic areas that are supposed to induce change in the rest of the city, does not allow a coherent and consensual urban model that is collectively desired, nor it allows to use planning as a redistribution mechanism.