1,721,097 research outputs found

    The contrast to the Urban Heat Island phenomenon to increase the urban comfort as an incentive to slow mobility. A study on the city of Parma

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    The paper focuses on adaptation to climate change and proposed, for the city of Parma, a risk map induced by heat islands on sensitive people, as a tool to support planning decisions for urban regeneration interventions. The study, has confirmed the connection between the temperature change and land use and found that, when it crosses the 80% threshold, the heating rate increases considerably. One of the most successful solutions is the equipment of vegetation increase. Continuity of pedestrian and cycle routes, and their overlap with ecological corridors, could be a solution to increase of green infrastructure, as they allow at the same time re-sewing between rural and urban areas at different scales. Strategies and processing practices recommended for the heat island mitigation can have positive effects on several components of the territorial and urban system. Starting from environmental criticalities, the recommendations for action can have positively impact on different sectors

    Urban Heat Island (UHI) risk maps as innovative tool for urban regeneration strategies. The case of Parma

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    For the purposes of regeneration of the consolidated city it is increasingly important to have the knowledge of the micro-scale distribution of the vulnerability of the population to the consequences of climate change and increasing urbanization. The work to be presented starts with the creation of maps of the risk classification induced by the heat islands in the city of Parma, and aims to investigate which are the most effective strategies that a Public Administration can adopt. The maps that have been created allow to assess the risk for the fragile population at the level of the single building. They relate the climatic datum of thermal variation with the population residing within each building, and verify the causal relationship with the soil sealing and with the morphology of the urban fabric. The results of the study can help to identify the thermal hot spot, receivers of specific mitigation actions. The risk map is itself a tool to develop multilevel actions, designed according to the peculiarities of the sites, where the possible adaptive solutions are compared with the physical and morphological characteristics of the places. The positive function of green infrastructures (contrast of overheating, flood mitigation, creation of places and services with a recreational function) is acquired by research and urban planning practice. It is equally well known the difficulty faced by Local Authorities in the maintenance and increase of unbuilt public areas, fundamental for the connection of ecological networks

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed

    Variations on the Author

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    “Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship

    Appropriate Similarity Measures for Author Cocitation Analysis

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    We provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
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