Optimization of CO2 emissions in the design phases of urban planning, based on geometric characteristics: a case study of a low-density urban area in Spain

2015 ◽  
Vol 12 (1) ◽  
pp. 65-85 ◽  
Author(s):  
J. Roldán-Fontana ◽  
R. Pacheco-Torres ◽  
E. Jadraque-Gago ◽  
J. Ordóñez
2009 ◽  
Vol 11 (1) ◽  
pp. 41
Author(s):  
Ricardo Serraglio Polucha

As pesquisas elaboradas para compreender a urbanização desigual em Curitiba enfatizaram o papel do planejamento urbano nesse processo. Entendendo que essa desigualdade é resultado da forma como se dá a valorização da terra e da apropriação diferenciada desta pelas camadas sociais, torna-se necessário compreender como a prática do planejamento urbano se articula a essa dinâmica. Considerando que o avanço dessa discussão deve procurar revelar as causas dessa desigualdade, e não apenas constatar sua existência, este artigo tem como objetivo compreender essa relação a partir da análise de um caso específico: o Ecoville. Originalmente concebido como uma nova frente de expansão urbana que evitaria a ocupação de áreas impróprias na cidade, sua implantação ocorreu de maneira totalmente oposta, produzindo um espaço com baixa densidade populacional voltado para camadas de alta renda. Argumenta-se que o estudo do Ecoville contribui para construir uma explicação sobre a prática do planejamento urbano em Curitiba, porque evidencia as contradições que são produzidas em torno da valorização da terra. Palavras-chave: Ecoville; Curitiba; planejamento urbano; urbanização; valorização da terra. Abstract: In order to understand the uneven urbanization in Curitiba, previous researches have emphasized the role played by urban planning on this process. Believing that this urban inequality results from the manner that land values and ways of occupation by different social classes are established, it urges then to understand the work extent of urban planning on this dynamic. The goal of this article is to move forward the debate on this field by revealing the causes of this inequality, and not only assuming its existence, through the analysis of a specific case study: “Ecoville”. Originally conceived as a new urban front that would avoid settlement at improper areas within the city, its materialisation followed a totally opposed path, producing a low density development only suitable for upper classes. The research of this case study – “Ecoville” – helps to build an explanation of the urban planning practice in Curitiba, as it reveals the contradictions that stir around land values. Keywords: Ecoville; Curitiba; urban planning; urbanization; land valorization.


Author(s):  
Eduardo De Santiago Rodríguez ◽  
Isabel González García

ResumenEn este artículo se presenta el planeamiento urbanístico del área urbana de León como ejemplo paradigmático del enfoque neodesarrollista que fue característico del pasado boom inmobiliario español, combinando liberalización del suelo y apuesta por el crecimiento residencial como motor económico. Se analizan también sus efectos territoriales, en particular el exceso y la sobredimensión del suelo clasificado, y la situación urbanística una vez producido el estallido de la burbuja. Para ello, el trabajo examina en detalle los planes vigentes en varios municipios (León, San Andrés, Villaquilambre, Garrafe, Villaturiel), tanto desde el punto de vista cualitativo como cuantitativo. Se repasan también los escasos instrumentos existentes en la actualidad para la reconducción y corrección de estos efectos negativos, destacando como conclusión la necesidad de diseñar herramientas específicas, de activar la ordenación del territorio a escala supramunicipal y de repensar el planeamiento a escala municipal.AbstractThis article presents the urban planning of the urban area of León as a paradigmatic example of the expansive approach characteristic of the recent Spanish housing bubble. Its territorial effects are also analysed, in particular the excess and oversize of land classification, and the situation after the bubble outbreak. For this, the paper examines the plans in various municipalities, both from a qualitative and quantitative point of view. The few instruments currently in existence for the correction of these negative effects are also reviewed, highlighting as a conclusion the need to design specific tools, and to activate spatial planning at the supramunicipal scale and to rethink planning at the municipal level.


2018 ◽  
Vol 10 (9) ◽  
pp. 3303 ◽  
Author(s):  
Yuqing An ◽  
Jin Tsou ◽  
Kapo Wong ◽  
Yuanzhi Zhang ◽  
Dawei Liu ◽  
...  

As one of the rapidly-developing mega cities in China, Hangzhou has experienced great land use change during the past three decades. By analyzing land use change in designated period, it is beneficial to understand urbanization process in Hangzhou, and undertake further urban management and urban planning. In this study, the land use change from 1990 to 2017 in Hangzhou urban area was detected by a method of supervised classification with Landsat TM images from 1990, 1997, 2004, 2010 and 2017, and analyzed by a Markov matrix. The results show that from 1990 to 2017, a great deal of rural areas transformed into built up areas in the Hangzhou urban area. Consequently, the urban area of Hangzhou increased eight times over the period from 1990 to 2017. This may imply that such a change should be directly related to the Chinese government policy, of which the main factor is rapidly-developing urbanization in China, such as in Hangzhou. Thus, it is believed that China’s land use change is going to be small in the following decades. This may indicate that China’s urban construction is slowing down, while its urban planning is being shifted from construction to management.


2018 ◽  
Vol 59 (1) ◽  
pp. 65-79
Author(s):  
Katarzyna Nikorowicz-Zatorska

Abstract The present paper focuses on spatial management regulations in order to carry out investment in the field of airport facilities. The construction, upgrades, and maintenance of airports falls within the area of responsibility of local authorities. This task poses a great challenge in terms of organisation and finances. On the one hand, an active airport is a municipal landmark and drives local economic, social and cultural development, and on the other, the scale of investment often exceeds the capabilities of local authorities. The immediate environment of the airport determines its final use and prosperity. The objective of the paper is to review legislation that affects airports and the surrounding communities. The process of urban planning in Lodz and surrounding areas will be presented as a background to the problem of land use management in the vicinity of the airport. This paper seeks to address the following questions: if and how airports have affected urban planning in Lodz, does the land use around the airport prevent the development of Lodz Airport, and how has the situation changed over the time? It can be assumed that as a result of lack of experience, land resources and size of investments on one hand and legislative dissonance and peculiar practices on the other, aviation infrastructure in Lodz is designed to meet temporary needs and is characterised by achieving short-term goals. Cyclical problems are solved in an intermittent manner and involve all the municipal resources, so there’s little left to secure long-term investments.


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