Green Areas and Microscale Thermal Comfort in Arid Environments: A Case Study in Mendoza, Argentina

Puliafito, Salvador Enrique; Bochaca, Fabian Rolando; Allende, David Gabriel; Fernández, Rafael P.

doi:10.4236/acs.2013.33039

Cited by 32 publications

(20 citation statements)

References 45 publications

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“…and Hart, M.A. 2013), Mendoza (Argentina) (Puliafito, S. et al 2013), Dublin (Ireland) (Alexander, P.J. and Mills, G. 2014), Berlin (Germany) (Fenner, D. et al 2014), Oberhausen (Germany) (Muller, N. et al 2014), Olomouc (Czech Republic) (Lehnert, M. et al 2014), Barranquilla (Colombia) (Villadiego, K. and Velay-Dabat, M.A.…”

Section: Introductionmentioning

confidence: 99%

Outdoor human thermal comfort in local climate zones of Novi Sad (Serbia) during heat wave period

et al. 2016

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Urban climate monitoring system (UCMS) was established in Novi Sad (Serbia) in 2014 based on the Local Climate Zones (LCZs) classifi cation system, GIS model calculations and fi eld work. Seven built and two land cover LCZ types were delineated and 27 stations equipped with air temperature and relative humidity sensors were distributed across all LCZs. Suitability of the developed monitoring system for human outdoor thermal comfort research in diff erent LCZs of the city and its surroundings was investigated during a heat wave period using Physiologically Equivalent Temperature (PET) index. During the daytime (night-time) the highest thermal loads are present in open midrise (compact midrise) LCZ, while the most comfortable is LCZ A (dense trees) during the whole day. In general, the highest thermal loads are obtained in midrise, followed by low-rise, sparsely built, low plants and dense trees LCZs. All LCZs (except LCZ A-dense trees) had higher PET when compared to LCZ D (LCZ D-low plants) during evening and nocturnal hours with maximum diff erence of 7.1 °C (00 UTC) between LCZ 2 (compact midrise) and LCZ D (low plants). Contrary to this, LCZ D (low plants) had higher PET compared to the majority of LCZs during the daytime with maximum diff erence of 8.5 °C (9 UTC) when compared to LCZ A (dense trees). Furthermore, the smallest thermal comfort diff erences during heat wave occurred between LCZs with similar structure (i.e. open low-rise and large low-rise, compact midrise and compact low-rise) and cover (i.e. sparsely built and low plants).

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Section: Introductionmentioning

confidence: 99%

Outdoor human thermal comfort in local climate zones of Novi Sad (Serbia) during heat wave period

et al. 2016

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“…Hence, rather than measuring the UHI in terms of naively classified "urban" and "rural" settings (i.e., ΔTU-R), the LCZ scheme offers the potential for observing and communicating the urban temperature effect in terms of differences between neighborhoods that incorporate the microclimatic process that is responsible (ΔTLCZ). The LCZ scheme has already been used in a few studies to describe parts of the urban landscape [21,22] principally to map thermal source areas of screen-height thermal sensors as was the intended application of LCZ. Currently, there is no "systematic" means of mapping an entire city into LCZ types; instead the researcher uses the LCZ datasheets in conjunction with fieldwork, aerial images and existing urban databases to decide on the extent of a neighborhood and its type.…”

Section: Introductionmentioning

confidence: 99%

Local Climate Classification and Dublin’s Urban Heat Island

2014

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Abstract:A recent re-evaluation of urban heat island (UHI) studies has suggested that the urban effect may be expressed more meaningfully as a difference between Local Climate Zones (LCZ), defined as areas with characteristic dimensions of between one and several kilometers that have distinct effects on climate at both micro-and local-scales (city streets to neighborhoods), rather than adopting the traditional method of comparing urban and rural air temperatures. This paper reports on a UHI study in Dublin (Ireland) which maps the urban area into LCZ and uses these as a basis for carrying out a UHI study. The LCZ map for Dublin is derived using a widely available land use/cover map as a basis. A small network of in-situ stations is deployed into different LCZ across Dublin and additional mobile temperature traverses carried out to examine the thermal characteristics of LCZ following mixed weather during a 1 week period in August 2010. The results show LCZ with high impervious/building coverage were on average >4 °C warmer at night than LCZ with high pervious/vegetated coverage during conditions conducive to strong UHI development. The distinction in mean LCZ nocturnal temperature allows for the generation of a heat map across the entire urban area.

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“…Georgi e Zafiriadis (2006), Abreu e Labaki (2010), Hwang et al (2010) e Puliafito et al (2013) constataram que as espécies arbóreas são capazes de amenizar a sensação de conforto térmico no entorno imediato, havendo condições mais confortáveis na sombra da copa das árvores, durante qualquer estação do ano. Os resultados também mostraram que a maior contribuição para o conforto foi a do agrupamento arbóreo, encontrado no ponto P01, por ser maior do que nos demais pontos.…”

Section: Discussionunclassified

Análise da Variação Microclimática em Diferentes Níveis de Fragmentação (Analysis of Microclimate Variation at Different Levels of Fragmentation)

Freitas

Santos

Lima

2016

Rev. Bras. Geog. Fis.

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A fragmentação da vegetação inserida no ambiente urbano, decorrente da ocupação desordenada do solo, gera transformações significativas na dinâmica dos fatores termodinâmicos. Este trabalho analisa o sistema microclimático urbano, subsistema termodinâmico da Universidade Federal da Paraíba, em diferentes níveis de fragmentação. Foram realizadas coletas de dados de temperatura e umidade relativa do ar, em três pontos com diferentes fragmentações, durante os períodos: chuvoso (março a agosto) e seco (setembro a fevereiro). Também foi avaliado o nível de estresse térmico e foi efetuada a classificação dos tipos de cobertura de solo em cada ponto monitorado, resultando em nove classes, de acordo com a percentagem da presença de vegetação, de materiais permeáveis e de materiais impermeáveis, tendo sido utilizados métodos quantitativos e qualitativos. Os resultados demonstraram que os diferentes níveis de fragmentação da Mata Atlântica, no espaço urbano da UFPB, têm alterado o campo térmico, e consequentemente alterado também o conforto térmico desse espaço. Palavras-chave: Microclima, níveis de fragmentação, UFPB A B S T R A C TThe fragmentation of vegetation inserted in the urban environment, resulting from the disorderly occupation of soil, generates significant transformation in the dynamics of the thermodynamic factors. This paper analyzes the urban microclimate system, thermodynamic subsystem at the Federal University of Paraiba, in different levels of fragmentation. Temperature data collection and relative humidity were held at three points with different fragmentation during periods: rainy (March to August) and dry (September to February). It also assessed the level of thermal stress and it was performed the classification of the soil cover types at each point monitored, resulting in nine classes, according to the percentage of the presence of vegetation, for permeable materials and impervious materials, having been used quantitative and qualitative methods. The results demonstrated that the different levels of fragmentation of the Atlantic Forest, in the urban space from UFPB, have changed the thermal field, and consequently also changed the thermal comfort of this space.

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Green Areas and Microscale Thermal Comfort in Arid Environments: A Case Study in Mendoza, Argentina

Cited by 32 publications

References 45 publications

Outdoor human thermal comfort in local climate zones of Novi Sad (Serbia) during heat wave period

Outdoor human thermal comfort in local climate zones of Novi Sad (Serbia) during heat wave period

Local Climate Classification and Dublin’s Urban Heat Island

Análise da Variação Microclimática em Diferentes Níveis de Fragmentação (Analysis of Microclimate Variation at Different Levels of Fragmentation)

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