The relative influence of wind, sunlight and temperature on user comfort in urban outdoor spaces

Walton, Darren; Dravitzki, V K; Donn, Michael

doi:10.1016/j.buildenv.2006.08.004

Cited by 86 publications

(61 citation statements)

References 11 publications

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“…A cold winter wind appears to discourage outside activity. Indeed, wind has been found to be an important condition in perceptions of thermal comfort (Walton et al 2007), and high wind speeds lead to people staying indoors more (Horanont et al 2013). It is interesting that other weather variables do not show noteworthy associations, but this can be explained by the microclimate of the study area (i.e.…”

Section: Resultsmentioning

confidence: 84%

Testing time-sensitive influences of weather on street robbery

Tompson

Bowers

2015

Crime Sci

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Although the relationship between weather and crime has been extensively investigated over the past century, little consensus has emerged on the directions of the relationships observed and the mechanisms through which weather might exert its influence. This paper advances an argument that the interpretation of weather, and subsequent activities based on that interpretation, leads to spatio-temporal variations in criminal opportunities, and hence crime. Two hypotheses relating to unseasonal weather and effects of weather on discretionary activities are proposed. Negative binomial regression models are used to test these at the 6-hour shift unit of analysis on street robberies in the Strathclyde region of Scotland. In line with predictions, in this temperate microclimate, more favourable weather in winter (higher temperatures and low wind speeds) was associated with increases in robbery. Partial support was also found for the hypothesis regarding time delineated for discretionary activities. Here, temperature, wind speed and humidity were seen to be significant predictors of robbery during the night shift and weekends. Notably rain was shown to have a negative relationship with robbery at the weekends. This affirms that people are less likely to venture outdoors when it is raining when travel behaviour is optional. Counter to our hypothesised effects, fog was the only variable to significantly interact with public holidays. We conclude by discussing how these analyses might be extended and briefly discuss implications for crime prevention.

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Section: Resultsmentioning

confidence: 84%

Testing time-sensitive influences of weather on street robbery

Tompson

Bowers

2015

Crime Sci

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“…Since humidity, air temperature, radiation temperature and wind speed dominate the overall pedestrian thermal comfort (Walton et al, 2007;Tan et al, 2013), in this study averaged air temperature, mean radiation temperature and wind speed at the pedestrian level under at all haze-fog conditions are plotted in Fig. 12.…”

Section: Pedestrian Comfortmentioning

confidence: 99%

Numerical simulation of diurnally varying thermal environment in a street canyon under haze-fog conditions

Tan

Dong

Xiao

et al. 2015

Atmospheric Environment

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“…Building blocks with limited open spaces between them, uniform building heights, and large podium structures have led to lower permeability for urban air ventilation at the pedestrian level (Ng, 2009;Yuan and Ng, 2012). High density housing development patterns and improper building layout in many dense urban areas have affected the ventilation of residential buildings as well as the comfort of residents (Walton et al, 2007;Du et al, 2017). These kinds of studies have shown that there are significant impacts of site planning and building layouts on the resulting wind environment around buildings.…”

Section: Introductionmentioning

confidence: 99%

Computational Fluid Dynamics Application for the Evaluation of a Community Atrium Open Space Design Integrated With Microclimate Environment

Wu¹

2017

Appl. Ecol. Env. Res.

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Abstract. This study aims to develop an approach which integrates the concept of climate-sensitive design with housing community design for the design of better residential buildings fitting into local wind environment. Employing research methods involving field investigation and computational fluid dynamics (CFD) simulation, the ventilation environment of four typical community atrium spaces were examined and compared in this study. Through a combination of CFD simulation and scenario-based design studies, the research results reveal that the typical long-shape building blocks with high-density housing development lead to poor natural ventilation in atrium open spaces. The research also indicates that if the openings of building masses and atrium can match the prevailing wind direction, the ventilation in community atrium open spaces will be significantly improved, but the overall effects are also affected by several design factors such as the distance between buildings, the size and shape of urban blocks, organization of building masses, and whether or not the wind corridor effect is effectively utilized. It is suggested for further research that more detailed issued-based CFD simulations (e.g., various land use controls or user preferences) of the relationship between wind environment and various design strategies should be conducted in the early stage of the entire design process to obtain the improvement in ventilation environments.

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The relative influence of wind, sunlight and temperature on user comfort in urban outdoor spaces

Cited by 86 publications

References 11 publications

Testing time-sensitive influences of weather on street robbery

Testing time-sensitive influences of weather on street robbery

Numerical simulation of diurnally varying thermal environment in a street canyon under haze-fog conditions

Computational Fluid Dynamics Application for the Evaluation of a Community Atrium Open Space Design Integrated With Microclimate Environment

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