نتایج جستجو برای: urban heat islands

تعداد نتایج: 403411  

Journal: :Remote Sensing 2017
Andreas Wicki Eberhard Parlow

Global climate change and increasing urbanization worldwide intensify the need for a better understanding of human heat stress dynamics in urban systems. During heat waves, which are expected to increase in number and intensity, the development of urban cool islands could be a lifesaver for many elderly and vulnerable people. The use of remote sensing data offers the unique possibility to study...

Journal: :The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences 2016

Journal: :Sustainability 2021

The urban heat island (UHI) effect is caused by intensive development practices in cities and the diminished presence of green space that results. evolution these phenomena has occurred over many decades. In cities, historic zoning redlining barred Black minority groups from moving into predominately white areas obtaining financial resources, a practice still affects today, forced already disad...

2017
Walter Leal Filho Leyre Echevarria Icaza Victoria Omeche Emanche Abul Quasem Al-Amin

The impacts of climate changes on cities, which are home to over half of the world's population, are already being felt. In many cases, the intensive speed with which urban centres have been growing means that little attention has been paid to the role played by climatic factors in maintaining quality of life. Among the negative consequences of rapid city growth is the expansion of the problems...

Journal: :Remote Sensing 2017
Rui Yao Lunche Wang Xuan Gui Yukun Zheng Haoming Zhang Xin Huang

In the context of rapid urbanization, systematic research about temporal trends of urbanization effects (UEs) on urban environment is needed. In this study, MODIS (Moderate Resolution Imaging Spectroradiometer) land surface temperature (LST) data and enhanced vegetation index (EVI) data were used to analyze the temporal trends of UEs on vegetation and surface urban heat islands (SUHIs) at 10 bi...

Journal: :Global change biology 2017
Elsa Youngsteadt Andrew F Ernst Robert R Dunn Steven D Frank

Biological effects of climate change are expected to vary geographically, with a strong signature of latitude. For ectothermic animals, there is systematic latitudinal variation in the relationship between climate and thermal performance curves, which describe the relationship between temperature and an organism's fitness. Here, we ask whether these documented latitudinal patterns can be genera...

2014
Dan Li Elie Bou-Zeid

High-resolution numerical simulations of the urban heat island (UHI) effect with the widely-used Weather Research and Forecasting (WRF) model are assessed. Both the sensitivity of the results to the simulation setup, and the quality of the simulated fields as representations of the real world, are investigated. Results indicate that the WRF-simulated surface temperatures are more sensitive to t...

2004
William D. Solecki Cynthia Rosenzweig Gregory Pope Mark Chopping Richard Goldberg Alex Polissar

The urban heat island effect is a critical factor for air quality management and public health in urbanized areas of New Jersey. This effect is related to an increase in temperatures in urban areas as compared to surrounding lower density rural sites. The overall goal of the project was to contribute to effective regional environmental management under conditions of climate change. The related ...

2014
Weihua Dong Lijie Zhang Qiuhong Tang Hua Liao

This research is motivated by the increasing threat of urban heat waves that are likely worsened by pervasive global warming and urbanization. Different regions of the city including urban, borderland and rural area will experience different levels of heat health risk. In this paper, we propose an improved approach to quantitatively assess Beijing’s heat health risk based on three factors from ...

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