Canyon geometry, street temperatures and urban heat island in malmö, sweden

Bärring, Lars; Mattsson, Jan O.; Lindqvist, Sven

doi:10.1002/joc.3370050410

Cited by 145 publications

(87 citation statements)

References 7 publications

(9 reference statements)

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“…Several authors have shown a relationship between surface temperature and sky view factor, which has statistical significance for several areas (Bärring et al 1985;Eliasson 1996;Upmanis 1999;Postgård 2000;Chapman et al 2001b). This is expected since the energy balance of the surface controls the surface temperature.…”

Section: Introductionmentioning

confidence: 95%

“…Eliasson (1996) found no statistical significance between street canyon geometry and air temperature in the central parts of Göteborg. In a study of another Swedish city, Malmö, Bärring et al (1985) concluded that air temperature was not as strongly correlated to street canyon geometry as the surface temperature. In Japan, however, a fairly strong relationship was found between air temperature and SVF in cities such as Fuchu and Higashimurayama (Yamashita et al 1986).…”

Section: Introductionmentioning

confidence: 98%

“…The most important geometric effect is that of sky obstruction as it delays the cooling of the surface during clear, calm nights (Oke 1981;Bärring et al 1985). The thermal properties in built-up areas and the counter radiation from obstructions affect the net radiation and consequently the temperature pattern.…”

Section: Introductionmentioning

confidence: 99%

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Sky view factor analysis – implications for urban air temperature differences

Svensson¹

2004

Meteorological Applications

227

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Section: Introductionmentioning

confidence: 95%

Section: Introductionmentioning

confidence: 98%

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Sky view factor analysis – implications for urban air temperature differences

Svensson¹

2004

Meteorological Applications

227

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“…However, into 2 separate parts. In the first part, the basic data is field observations (Barring et al 1985) and simulationclassified with respect to cloudiness and, in the second, based studies (Todhunter 1990) have shown that the data is analysed by multiple regression. heterogeneous urban microclimate is attributable to the variable urban geometry within a given land-use category.…”

Section: Introductionmentioning

confidence: 99%

Intra-urban nocturnal temperature differences: a multivariate approach

Eliasson¹

1996

Clim. Res.

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The possibility of predicting nocturnal intra-urban air temperature differences on the basis of meteorological data from climatic stations was analysed. Three years of r e c o r d~n g at an urban canyon and a nearby open area in the city of Goteborg, Sweden, formed the basis of the analyses. The urban canyon-urban open area temperature differences (AT,.,) were best estimated when the data was first classified with reference to the amount of cloud cover and then fitted to a non-linear regression equation which included the wlnd speed at the urban open area (10 m level) T h e study shows that the degree of intra-urban temperature vanations can be predicted using a fairly simple methodology. The methodology and the general pattern of the model could be helpful as a complementary tool in urban land use planning for cities with a structure similar to Goteborg K E Y WORDS-City climate . Urban canyon . Air temperature. Street geometry Applled climatology Urban planmng

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“…Bärring et al [71] reported that increasing SVF led to a decrease in surface temperature in Malmö, Sweden. However, consensus on whether there is a clear correlation between air temperature and SVF has not been achieved.…”

Section: Space Enclosure Descriptorsmentioning

confidence: 99%

The Impact of Urban Design Descriptors on Outdoor Thermal Environment: A Literature Review

et al. 2017

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This paper presents a literature review on urban design indicators addressing the impact of urban geometry and vegetation on the outdoor thermal environment at the pedestrian level, as urban geometry and vegetation have been regarded as the most influential urban design factors that affect outdoor microclimate. The thermal balance concept is first introduced to elaborate how each component of energy fluxes is affected by the urban built environment, which helps to explore the underlying thermophysical mechanisms of how urban design modifies the outdoor thermal environment. The literature on numerous urban design descriptors addressing urban geometric characteristics is categorized into five groups in this paper according to the design features that the parameters entail, including land use intensity, building form, canyon geometry, space enclosure and descriptive characteristics. The literature on urban vegetation descriptors is reviewed together, followed by the combined effect of urban geometry and vegetation. This paper identifies a series of important urban design parameters and shows that the impact of design parameters on thermal environment varies with time, season, local climate and urban contexts. Contradictory impacts often occur between daytime and nighttime, or different seasons, which requests trade-offs to be achieved when proposing design strategies.

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Canyon geometry, street temperatures and urban heat island in malmö, sweden

Cited by 145 publications

References 7 publications

Sky view factor analysis – implications for urban air temperature differences

Sky view factor analysis – implications for urban air temperature differences

Intra-urban nocturnal temperature differences: a multivariate approach

The Impact of Urban Design Descriptors on Outdoor Thermal Environment: A Literature Review

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