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Vulnerability to Heat Stress in Urban Areas

Vulnerability to Heat Stress in Urban Areas
Author: Wen-Ching Chuang
Publisher:
Total Pages: 103
Release: 2013
Genre: Climatic changes
ISBN:

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Extreme hot-weather events have become life-threatening natural phenomena in many cities around the world, and the health impacts of excessive heat are expected to increase with climate change (Huang et al. 2011; Knowlton et al. 2007; Meehl and Tebaldi 2004; Patz 2005). Heat waves will likely have the worst health impacts in urban areas, where large numbers of vulnerable people reside and where local-scale urban heat island effects (UHI) retard and reduce nighttime cooling. This dissertation presents three empirical case studies that were conducted to advance our understanding of human vulnerability to heat in coupled human-natural systems. Using vulnerability theory as a framework, I analyzed how various social and environmental components of a system interact to exacerbate or mitigate heat impacts on human health, with the goal of contributing to the conceptualization of human vulnerability to heat. The studies: 1) compared the relationship between temperature and health outcomes in Chicago and Phoenix; 2) compared a map derived from a theoretical generic index of vulnerability to heat with a map derived from actual heat-related hospitalizations in Phoenix; and 3) used geospatial information on health data at two areal units to identify the hot spots for two heat health outcomes in Phoenix. The results show a 10-degree Celsius difference in the threshold temperatures at which heat-stress calls in Phoenix and Chicago are likely to increase drastically, and that Chicago is likely to be more sensitive to climate change than Phoenix. I also found that heat-vulnerability indices are sensitive to scale, measurement, and context, and that cities will need to incorporate place-based factors to increase the usefulness of vulnerability indices and mapping to decision making. Finally, I found that identification of geographical hot-spot of heat-related illness depends on the type of data used, scale of measurement, and normalization procedures. I recommend using multiple datasets and different approaches to spatial analysis to overcome this limitation and help decision makers develop effective intervention strategies.


Assessing Vulnerability to Heat Stress in Urban Areas

Assessing Vulnerability to Heat Stress in Urban Areas
Author: Tanja Wolf
Publisher: LAP Lambert Academic Publishing
Total Pages: 296
Release: 2011-09
Genre: Climatic changes
ISBN: 9783838389516

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Increasing mortality related to periods of hot weather is a direct health impact from a warming and more variable climate. Adverse health impacts of heat stress are preventable. To spatially assess vulnerability is useful to prioritize where to take action first. This work describes the development and testing of a vulnerability index to assess hot spots of vulnerability to heat stress in the urban area of Greater London. Therefore, routine data on a high spatial resolution and representing the risk factors as identified in the literature are mapped. With Principal Component Analysis the most relevant of these indicators are composed to a vulnerability index. To test the performance of the vulnerability index, daily data on temperature and spatial data on daily mortality and ambulance callout are used in a Poission regression model. The work shows that it is possible to model hot spots of vulnerability in terms of increased mortality and a higher number of ambulance callouts. The results encourage further work on hot spot analysis to better target intervention measures, but also to look into risk perception and decomposing inequalities.


Urban Overheating: Heat Mitigation and the Impact on Health

Urban Overheating: Heat Mitigation and the Impact on Health
Author: Nasrin Aghamohammadi
Publisher: Springer Nature
Total Pages: 364
Release: 2022-10-05
Genre: Architecture
ISBN: 9811947074

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The book reviews and reports the recent progress and knowledge on the specific impact of current and projected urban overheating as well as of the urban mitigation technologies on mortality and morbidity and urban vulnerability. It presents recent data and developments on the topic reported by some of the more distinguished researchers in this area. In parallel, it discusses new findings related to the characteristics and the magnitude of urban overheating and reports and analyzes the recent knowledge on the synergies between urban heat island and heatwaves. This book helps to advance our understanding on the interaction between Urban Heat Island (UHI) and overheating as well as their impact on energy demand and public health globally. Exploring the interaction between UHI and energy consumption requires the understanding on the dynamics of UHI intensity and air pollution index in different land use and how such interactions may vary in different cities in the world. Moreover, this book focuses on different cities in Australia, Austria, Belgium, Brazil, Canada, Cyprus, Greece, Hong Kong, India, Asia, Spain, UK, and USA.


Global Environmental Assessments

Global Environmental Assessments
Author: Ronald Bruce Mitchell
Publisher: MIT Press
Total Pages: 362
Release: 2006
Genre: Environmental impact analysis
ISBN: 0262134683

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A comparative analysis of global environmental assessments shows the importance of policy salience, scientific credibility, and social and political legitimacy in determining the influence of scientific assessments on global environmental policy.


Heat Stress Vulnerability as Predicted by Spatial Analysis of Remotely Sensed Imagery and Socioeconomic Data for Philadelphia, PA

Heat Stress Vulnerability as Predicted by Spatial Analysis of Remotely Sensed Imagery and Socioeconomic Data for Philadelphia, PA
Author:
Publisher:
Total Pages:
Release: 2009
Genre: Heat
ISBN: 9781109386028

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Philadelphia, Pennsylvania implemented an extreme heat-wave warning stystem in 1995 in response to elevated levels of heat-stress related illnesses and mortality (Kalkstein, 1995). The heat-wave warning system informs the entire city of Philadelphia, regardless of neighborhood or socio-economic status of forecasted heat waves that are to exceed 115° F for at least three hours or more during the coarse of a day. However, many researchers have studied the Urban Heat Island phenomenon over the years and have attributed the high percentage of industrial materials and the low percentage of green vegetation to rising temperatures (Lo et. al., 1997; Voogt and Oke 2003; Jenerett et. al., 2006). In addition, others have cited poorer, disenfranchised communities within urban areas as being more vulnerable to heat stress during the warm summer months due to some of the physical characteristics, such as industrial materials, of cities (Harlan et. al., 2006; Harlan et. al., 2007). This study analizes the spatial variability of surface temperatures and material types derived from spaceborne thermal infrared and spectral satellite imagery in addition to socio-economic data to locate areas of higher risk through spatial analysis and exploratory statistical analyses. The satellite imagery provides a snapshot in time during a hot summer day that provides us with the spatial variations of surface temperatures and the census data provides information on who lives within the hottest, or more stressful areas. The findings of this study shows that 22 of the 381 census tracks cluster together to form a likely area of higher vulnerability based on poverty levels, population densities, surface temperatures, old housing (pre 1960's), and green vegetation.


Urban Overheating - Progress on Mitigation Science and Engineering Applications

Urban Overheating - Progress on Mitigation Science and Engineering Applications
Author: Michele Zinzi
Publisher: MDPI
Total Pages: 350
Release: 2019-04-04
Genre: Science
ISBN: 3038976369

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The combination of global warming and urban sprawl is the origin of the most hazardous climate change effect detected at urban level: Urban Heat Island, representing the urban overheating respect to the countryside surrounding the city. This book includes 18 papers representing the state of the art of detection, assessment mitigation and adaption to urban overheating. Advanced methods, strategies and technologies are here analyzed including relevant issues as: the role of urban materials and fabrics on urban climate and their potential mitigation, the impact of greenery and vegetation to reduce urban temperatures and improve the thermal comfort, the role the urban geometry in the air temperature rise, the use of satellite and ground data to assess and quantify the urban overheating and develop mitigation solutions, calculation methods and application to predict and assess mitigation scenarios. The outcomes of the book are thus relevant for a wide multidisciplinary audience, including: environmental scientists and engineers, architect and urban planners, policy makers and students.


Beating the Heat

Beating the Heat
Author: Asian Development Bank
Publisher: Asian Development Bank
Total Pages: 198
Release: 2022-08-01
Genre: Science
ISBN: 9292696343

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Cities in Asia and the Pacific are increasingly at risk of heat waves, which are expected to be more severe and persistent due to global warming. The urban poor are especially vulnerable to heat stress and associated health and productivity impacts as they often work outdoors and tend to live in overcrowded housing without adequate ventilation or cooling. This publication examines opportunities for countries to pursue pro-poor urban resilience initiatives to reduce the impacts of heat stress. It emphasizes the need for policies and investments to be based on long-term planning and actions at all scales: individual and household, neighborhood, and city.


Heat Wave

Heat Wave
Author: Eric Klinenberg
Publisher: University of Chicago Press
Total Pages: 342
Release: 2015-05-06
Genre: Nature
ISBN: 022627621X

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The “compelling” story behind the 1995 Chicago weather disaster that killed hundreds—and what it revealed about our broken society (Boston Globe). On July 13, 1995, Chicagoans awoke to a blistering day in which the temperature would reach 106 degrees. The heat index—how the temperature actually feels on the body—would hit 126. When the heat wave broke a week later, city streets had buckled; records for electrical use were shattered; and power grids had failed, leaving residents without electricity for up to two days. By July 20, over seven hundred people had perished—twenty times the number of those struck down by Hurricane Andrew in 1992. Heat waves kill more Americans than all other natural disasters combined. Until now, no one could explain either the overwhelming number or the heartbreaking manner of the deaths resulting from the 1995 Chicago heat wave. Meteorologists and medical scientists have been unable to account for the scale of the trauma, and political officials have puzzled over the sources of the city’s vulnerability. In Heat Wave, Eric Klinenberg takes us inside the anatomy of the metropolis to conduct what he calls a “social autopsy,” examining the social, political, and institutional organs of the city that made this urban disaster so much worse than it ought to have been. He investigates why some neighborhoods experienced greater mortality than others, how city government responded, and how journalists, scientists, and public officials reported and explained these events. Through years of fieldwork, interviews, and research, he uncovers the surprising and unsettling forms of social breakdown that contributed to this human catastrophe as hundreds died alone behind locked doors and sealed windows, out of contact with friends, family, community groups, and public agencies. As this incisive and gripping account demonstrates, the widening cracks in the social foundations of American cities made visible by the 1995 heat wave remain in play in America’s cities today—and we ignore them at our peril. Includes photos and a new preface on meeting the challenges of climate change in urban centers “Heat Wave is not so much a book about weather, as it is about the calamitous consequences of forgetting our fellow citizens. . . . A provocative, fascinating book, one that applies to much more than weather disasters.” —Chicago Sun-Times “It’s hard to put down Heat Wave without believing you’ve just read a tale of slow murder by public policy.” —Salon “A classic. I can’t recommend it enough.” —Chris Hayes


Location and Land Use

Location and Land Use
Author: William Alonso
Publisher:
Total Pages: 216
Release: 1964
Genre: Rent (Economic theory)
ISBN: 9780674729568

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