نتایج جستجو برای: urban cool island ucis

تعداد نتایج: 254395  

2016
T. Plocoste S. Jacoby-Koaly J. Molinié R. H. Petit

In Guadeloupe (French West Indies), the main municipal solid waste is surrounded by highly urbanized areas. An urban heat island (UHI) behavior has been identified in the landfill environment. It has been measured and its intensity (up to more than 4 C) has been shown to be negatively correlated with nebulosity and Tradewinds strength. Conditions for urban breeze detection have been examined. T...

Journal: :Urban science 2023

The present study has been carried out to analyze the seasonal variation of Urban Heat and Cool Island over nine developing cities India. magnitude urban heat/cool island vegetation gradient (∆NDVI) were measured from daytime satellite datasets. Results this show that during pre-monsoon (March May) season, maximum Surface (SUHI) was experienced Kolhapur city, whereas, in winter, highest intensi...

2014
Anna Laura Pisello

Cool roofs represent an acknowledged passive cooling technique to reduce building energy consumption for cooling and to mitigate urban heat island effects. This paper concerns the evaluation of the dynamic effect of new cool roof clay tiles on building thermal performance in summer and winter conditions. To this end, these properties have been analyzed on traditional roof brick tiles through an...

2015
Anna Laura Pisello Chi-Ming Lai

In recent years there has been a growing interest in the development and thermal-energy analysis of passive solutions for reducing building cooling needs and thus improving indoor thermal comfort conditions. In this view, several studies were carried out about cool roofs and cool coatings, producing acknowledged mitigation effects on urban heat island phenomenon. The purpose of this work is to ...

Journal: :Proceedings of the Symposium on Global Environment 2006

2017
Xinping Zhang Dexiang Wang Hongke Hao Fangfang Zhang Youning Hu

In this study Yan'an City, a typical hilly valley city, was considered as the study area in order to explain the relationships between the surface urban heat island (SUHI) and land use/land cover (LULC) types, the landscape pattern metrics of LULC types and land surface temperature (LST) and remote sensing indexes were retrieved from Landsat data during 1990-2015, and to find factors contribute...

Journal: :Environmental Science & Technology 2021

We implemented a context-sensitive and prospective framework to assess the global warming potential (GWP) impacts of cool pavement strategies on specific roads for different cities. The approach incorporates several interconnections among elements built environment, such as buildings urban road segments, well transportation fleet, using building information from an area. show that increasing al...

Journal: :محیط شناسی 0
علی اکبر شمسی پور استادیار اقلیم شناسی، دانشکدة جغرافیا، دانشگاه تهران مجتبی مهدیان ماهفروزی دانشجوی کارشناس ارشد اقلیم شناسی، دانشکدة جغرافیا، دانشگاه تهران هانیه اخوان دانشجوی کارشناسی ارشد ژئومرفولوژی، دانشکدة جغرافیا، دانشگاه تهران زینب حسین پور کارشناس ارشد اقلیم شناسی، دانشکدة جغرافیا، دانشگاه تهران

the urban heat island effect refers to the temperature rise of the cities in comparison to the suburbs. this phenomenon which is a consequence of urbanization and has become a major issue in the urban climatology may have serious consequences in the developing countries which are facing a rapid and unplanned urban growth. tehran, the capital and the most populated city of iran, this phenomenon ...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2017
Scott A Epstein Sang-Mi Lee Aaron S Katzenstein Marc Carreras-Sospedra Xinqiu Zhang Salvatore C Farina Pouya Vahmani Philip M Fine George Ban-Weiss

The installation of roofing materials with increased solar reflectance (i.e., "cool roofs") can mitigate the urban heat island effect and reduce energy use. In addition, meteorological changes, along with the possibility of enhanced UV reflection from these surfaces, can have complex impacts on ozone and PM2.5 concentrations. We aim to evaluate the air-quality impacts of widespread cool-roof in...

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