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(1979 - 2018)
(1979 - 2018)
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Article 0 Reads 0 Citations Tertiarization and land use change: The case of Italy Published: 01 April 2018
Economic Modelling, doi: 10.1016/j.econmod.2017.12.002
In this paper we investigate the effect of the tertiarization process on urbanization-driven land consumption and the extent to which it can explain the complex relationship between growth and environment. We disentangle the role of economic growth from that of changes in the economic structure by augmenting an EKC relation and take into account heterogeneous responses between metropolitan and non-metropolitan areas. To this purpose, we use a panel approach on a dataset of Italian provinces (NUTS-3) sampled every ten years between 1960 and 2010. We find that tertiarization has contained the land consumption process explaining approximately one third of its total slowdown. We also find that a U-shaped EKC relation between land consumption and economic development exists but it is mostly driven by metropolitan areas. In other provinces the relation is L-shaped. From the policy point of view, we show that economic growth per sé seems unable to contain land consumption. Fostering the tertiarization process can sustain more compact and concentrated urbanization models.
Article 0 Reads 1 Citation Estimating Water Consumption and Irrigation Requirements in a Long-Established Mediterranean Rural Community by Remote S... Published: 12 April 2016
Irrigation and Drainage, doi: 10.1002/ird.1978
The present study illustrates an original methodology for estimating irrigation requirements and quantifying real water consumption in a long-established Mediterranean rural community (Delta Llobregat, Barcelona, Spain), combining data from remote sensing, field mapping and in situ measurements. Because of land fragmentation and crop diversification, SPOT-5 imagery was used, given its spatial and temporal resolution and spectral attributes. Simultaneously, four flow meters were installed in two representative locations to measure water inputs and outputs every 5 min. Conveyance and irrigation efficiency were estimated for the entire irrigation community. The average conveyance efficiency was 46.8% and the classical and net irrigation efficiency reached 26.4 and 59.8%, respectively, with half of the water volume (55% or 3.2 hm3) returned to the river or diverted to wetlands, the maximum percentage of estimated error being about 3.4%. These results indicate an exceptionally high water loss rate due to the irrigation system (flooding), the ageing conveyance network and urban infrastructure breakdown. The applied protocol proved useful for monitoring low-efficiency irrigation systems in small communities experiencing intense urban and industrial pressures. Copyright © 2016 John Wiley & Sons, Ltd.RÉSUMÉLa présente étude illustre une méthodologie originale pour estimer les besoins d'irrigation et de quantification de la consommation réelle d'eau dans une communauté rurale établie de longue date en Méditerranée (delta du Llobregat, Barcelone, Espagne), combinant des données de télédétection, de la cartographie sur le terrain et des mesures in situ. En raison de la fragmentation des terres et de la diversification des cultures, l'imagerie SPOT-5 a été utilisée en raison de ses résolutions spatiales, temporelles et spectrales. Simultanément, quatre débitmètres ont été installés dans deux endroits représentatifs pour mesurer toutes les 5 minutes les débits entrants et sortants. Le transport et l'efficacité de l'irrigation ont été estimés pour toute la communauté d'irrigation. L'efficacité de transport moyen était de 46.8% et l'efficacité de l'irrigation classique et nette ont atteint 26.4 et 59.8%, la moitié du volume d'eau (55%, soit 3.2 hm3) est retournée à la rivière ou détournée vers les zones humides, l'erreur maximale étant de l'ordre de 3.4%. Ces résultats indiquent un taux de perte d'eau exceptionnellement élevé en raison du système d'irrigation (par submersion), du vieillissement du réseau de transport et de la dégradation des infrastructures urbaines. Le protocole appliqué est avéré utile pour surveiller des systèmes d'irrigation à faible efficacité dans les petites communautés connaissant des pressions urbaines et industrielles intenses.
Article 0 Reads 2 Citations Monitoring Managed Forest Structure at the Compartment-level under Different Silvicultural Heritages: an Exploratory Dat... Published: 29 February 2016
Journal of Sustainable Forestry, doi: 10.1080/10549811.2016.1154472
Article 0 Reads 9 Citations Not only tourism: unravelling suburbanization, second-home expansion and “rural” sprawl in Catalonia, Spain Published: 25 February 2016
Urban Geography, doi: 10.1080/02723638.2015.1113806
Article 0 Reads 3 Citations In-between soil erosion and sustainable land management: climate aridity and vegetation in a traditional agro-forest sys... Published: 17 February 2016
International Journal of Sustainable Development & World Ecology, doi: 10.1080/13504509.2015.1132282
Article 0 Reads 5 Citations Beyond a ‘side street story’? Naples from spontaneous centrality to entropic polycentricism, towards a ‘crisis city’ Published: 01 January 2016
Cities, doi: 10.1016/j.cities.2015.11.025
Highlights•Over the last thirty years Mediterranean cities have undergone a path of scattered expansion.•This process reflects deregulated urban growth rather than decentralization processes.•We introduce the ‘crisis city’ archetype, with Naples, Italy as the case study.•The complexity of the socio-spatial and economic structure qualifies Naples as a ‘crisis city’.•Planning deregulation, criminality, and the informal economy are symptoms of a ‘locked’ system. AbstractRecent urbanization trends in the Mediterranean region have stimulated a debate on the relationship between the form and the functions of cities, in turn revealing a relatively high degree of urban sustainability and resilience to external shocks. Beginning with compact and dense forms, over the last thirty years Mediterranean cities have undergone a path of scattered expansion. This process reflects, in many cases, deregulated urban growth rather than decentralization processes driven by planning strategies aiming at polycentrism. Economic recession in southern European countries has influenced these patterns considerably by reducing competitiveness and depressing the economic performance of entire urban systems. An interpretive key to investigating the new forms of urban expansion in Mediterranean Europe is proposed here by introducing the ‘crisis city’ archetype, discussed in the light of the post-war development path of Naples, Italy. The complexity of the territorial processes that drive urban expansion and changes was analysed, focusing on the socio-spatial structure, economic configuration and entropic morphologies that qualify Naples as the exemplification of a ‘crisis city’. Spontaneity, planning deregulation, criminality, and the informal economy—all found in Naples—are symptoms of a ‘locked’ system, incapable of progressing towards mature urban models. Abandoning the traditional monocentric frame vividly represented in the 1950 movie Napoli milionaria (released in English as ‘Side Street Story’), the consolidation of a scattered and entropic morphology in between compactness and dispersion reflects a development deficit that depresses the competitiveness potential of the city. We interpreted the transition of Naples in the light of a ‘Mediterranean continuum’ in which a locked and informal model, far from both wealthier western European cities and more mature southern alternatives, limits urban competitiveness.