Espacios del agua en el territorio urbanizado. Los Ángeles, California
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González Vives, Carolina
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Los Ángeles, en California, muestra de forma
excepcional la hidrología de las grandes
metrópolis en zonas de paisaje árido, basadas
en grandes obras de ingeniería civil que
concentran en la ciudad el agua de ámbitos
geográficos muy extensos mediante aportes
elevados de energía, al tiempo que canalizan la
evacuación como residuo de los recursos locales.
La desertización creciente derivada de este
modelo sugiere la necesidad de alternativas de
baja energía, basadas en la operatividad de la
forma y de los sistemas vivos, para devolver al
espacio y al territorio competencias de depuración,
almacenaje y control de inundaciones.
La construcción del suelo como infraestructura
extensiva de captación, filtrado y reutilización
modifica el funcionamiento hidrológico
de la ciudad, reduciendo deslizamiento y escorrentía
para conservar el valioso patrimonio
de lluvia local y convierte la fábrica urbana en
un gran sistema polivalente de gestión hidráulica.
La recuperación de las cuencas locales de
menor escala devuelve al agua y sus espacios
su papel principal como articuladores de la
forma urbana, marcando la localización de
áreas húmedas y verdes. La naturaleza urbana
se aleja del referente decorativo de pradera
inglesa a favor de una concepción más utilitarista,
entendida como una máquina orgánica
integrada que resuelve la depuración, contribuye
a la construcción de suelo y a la climatización
a nivel metropolitano.
Los Angeles in California is an extraordinary example of the hydrology of big metropolis located in arid lands. Energy intensive infrastructures divert water from large geographies to the city while channels accelerate the flow of local resources to the sea. Increasing aridity and desertification attached to this model suggest the need for low energy alternatives based on form and living systems performance in order to bring back to space and territory their role as water management and flood control. The project of the ground as extensive infrastructure for harvesting, treating and reusing water, changes the hydrological balance, reducing run off in order to preserve valuable and useful urban rainwater. The city works as a blue infrastructure, a big multi-skilled system of hydraulic management. Recovering local watersheds gives back to water and its spaces their main role organizing urban form and environmental conditions. The idea of urban nature moves away from the decorative british lawn to a more pragmatic conception, as an organic machine that treats water, builds soil and climatizes urban atmosphere.
Los Angeles in California is an extraordinary example of the hydrology of big metropolis located in arid lands. Energy intensive infrastructures divert water from large geographies to the city while channels accelerate the flow of local resources to the sea. Increasing aridity and desertification attached to this model suggest the need for low energy alternatives based on form and living systems performance in order to bring back to space and territory their role as water management and flood control. The project of the ground as extensive infrastructure for harvesting, treating and reusing water, changes the hydrological balance, reducing run off in order to preserve valuable and useful urban rainwater. The city works as a blue infrastructure, a big multi-skilled system of hydraulic management. Recovering local watersheds gives back to water and its spaces their main role organizing urban form and environmental conditions. The idea of urban nature moves away from the decorative british lawn to a more pragmatic conception, as an organic machine that treats water, builds soil and climatizes urban atmosphere.
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González Vives, C. (2014). Espacios del agua en el territorio urbanizado. Los Ángeles, California. REIA: Revista Europea de Investigación en Arquitectura, (2), 63-78. http://reia.es/REIA204.pdf



