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A first attempt of geographically-distributed Multi-scale integrated analysis of societal and ecosystem metabolism (MuSIASEM): mapping human time and energy throughput in metropolitan Barcelona
Lobo Aleu, Agustín; Baeza, Miguel Ángel
This study presents a first attempt to extend the “Multi-scale integrated analysis of societal and ecosystem metabolism (MuSIASEM)” approach to a spatial dimension using GIS techniques in the Metropolitan area of Barcelona. We use a combination of census and commercial databases along with a detailed land cover map to create a layer of Common Geographic Units that we populate with the local values of human time spent in different activities according to MuSIASEM hierarchical typology. In this way, we mapped the hours of available human time, in regards to the working hours spent in different locations, putting in evidence the gradients in spatial density between the residential location of workers (generating the work supply) and the places where the working hours are actually taking place. We found a strong three-modal pattern of clumps of areas with different combinations of values of time spent on household activities and on paid work. We also measured and mapped spatial segregation between these two activities and put forward the conjecture that this segregation increases with higher energy throughput, as the size of the functional units must be able to cope with the flow of exosomatic energy. Finally, we discuss the effectiveness of the approach by comparing our geographic representation of exosomatic throughput to the one issued from conventional methods.
2009-06-30
504 - Ciències del medi ambient
Multi-Scale Integrated Analysis of Societal and Ecosystem Metabolism
Indicadors ambientals -- Mètodes estadístics
Informació geogràfica, Sistemes d' -- Aspectes ambientals
Barcelona (Catalunya : Àrea metropolitana) -- Població -- Moviment i distribució
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Report
Institut de Ciència i Tecnologia Ambientals
Reports on Environmental Sciences;2;
Reports on Environmental Sciences;5
         

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