Urban climate is the most immediate manifestation of the warming global climate for the majority of people on earth. Nearly half of those people live in small to medium sized cities, an understudied scale in urban climate research. Widespread characterization would be useful to decision makers in planning and design for land use decisions. Using a multi-method approach, the mesoscale UHI in the...

An urban heat island (UHI) is a climate phenomenon that results in an increased air temperature in cities when compared to their rural surroundings. In this Letter, the dependence of an UHI on urban geometry is studied. Multiyear urban-rural temperature differences and building footprints data combined with a heat radiation scaling model are used to demonstrate for more than 50 cities worldwide...

This paper discusses the continued development, theoretical framework, and utility of the Urban Hassles Index (UHI), which was designed to measure stressors affecting adolescents in the urban environment. These stressors are chronic and differ in context and content from the more acute life events that are usually measured in adolescent stressor indices. This paper highlights factor analysis re...

What light does 10 years of experience with the Urban Health Initiative (UHI) shed on how advocates can realign public opinion, public decision making, and public funding to support large-scale social change? The UHI, funded by the Robert Wood Johnson Foundation, aims to spur measurable improvement in the health and safety of children in five cities nationwide. The initiative’s ambitious strate...

This study compared the diurnal and seasonal cycles of atmospheric and surface urban heat islands (UHIs) based on hourly air temperatures (Ta) collected at 65 out of 262 stations in Beijing and land surface temperature (Ts) derived from Moderate Resolution Imaging Spectroradiometer in the years 2013–2014. We found that the nighttime atmospheric and surface UHIs referenced to rural cropland stat...

This paper quantitatively investigates the sustainability of the universal health insurance coverage (UHI) system in Thailand while taking into account the country's rapidly aging population and large informal labor sector. We examine the effects of population aging and informal employment across three tax options for financing the UHI. A modern dynamic general equilibrium framework is utilized...

Traditional studies of urban climate used air temperature observations from local urban/rural weather stations in order to analyze the general pattern of higher temperatures in urban areas compared with corresponding rural regions, also known as the Urban Heat Island (UHI) effect. More recently, satellite remote sensing datasets of land surface temperature have been exploited to monitor UHIs. W...

Numerical simulations are conducted using the Weather Research and Forecast 6 (WRF) numerical model to examine the effects of a marine air intrusion (including a sea7 breeze front), in an easterly wind regime on 7 May 2008, on the structure of London’s urban 8 heat island (UHI). A sensitivity study is undertaken to assess how the representation of 9 the urban area of London in the model, with a...

The combined usage of high-resolution satellite images and thermal infrared (TIR) data helps understanding the thermal effect of urban fabric properties and the mechanism of urban heat island (UHI) formation. In this study, three typical urban functional zones (UFZs) of downtown Shanghai were chosen for quantifying the relationship between fine-scale urban fabric properties and their thermal ef...

Mitigation of the urban heat island (UHI) effect at the city-scale is investigated using the Weather Research and Forecasting (WRF) model in conjunction with the Princeton Urban Canopy Model (PUCM). Specifically, the cooling impacts of green roof and cool (white/highalbedo) roof strategies over the Baltimore-Washington metropolitan area during a heat wave period (7 June–10 June 2008) are assess...