نتایج جستجو برای: the urban heat island effect uhi can cause its own mesoscale flow

تعداد نتایج: 16742683  

2014
Jason A. Hubbart Elliott Kellner Lynne Hooper Anthony R. Lupo Patrick E. Guinan Kirsten Stephan Neil I. Fox Bohumil M. Svoma

Long-term urban and rural climate data spanning January 1995 through October 2013 were analyzed to investigate the Urban Heat Island (UHI) effect in a representative mid-sized city of the central US. Locally distributed climate data were also collected at nested low density urban, recently developed, and high density urban monitoring sites from June through September 2013 to improve mechanistic...

Journal: :Energies 2021

The urban heat island (UHI) effect resulted from urbanization as well industrialization has become a major environmental problem. UHI aggravates global warming and endangers human health. Thus, mitigating the primary task to address these challenges. This paper verifies feasibility of three-dimensional turbulent porous media model. Using this model, authors simulate canopy wind-heat environment...

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1389

growing demands and requires of high data rate systems cause significant increase of high frequency systems for wideband communication applications. as mixers are one of the main blocks of each receivers and its performance has great impact on receiver’s performance; in this thesis, a new solution for ku-band (12-18 ghz) mixer design in tsmc 0.18 µm is presented. this mixer has high linearity a...

2014

The region of Stuttgart, located in the south-western part of Germany, favors warm and humid climate accompanied by a low wind speed. Stuttgart lies in a basin-like sink and is surrounded by hills, a fact, which enforces the specific formation of these thermal and air quality conditions. The Urban Heat Island (UHI) of Stuttgart and its spatial distribution were assessed using thermal indices Ph...

Journal: :Building and Environment 2022

The urban moisture island (UMI) can aggravate the thermal stress due to heat (UHI) in subtropical and tropical cities. In this study, we investigated spatiotemporal variation patterns of UMI Hong Kong, a coastal city, using fine-resolution mesoscale Weather Research Forecasting (WRF) model by integrating local climate zone (LCZ) maps based on World Urban Database Access Portal Tools (WUDAPT). O...

2012
Eberhard Parlow

In Central Europe up to 85% of the population lives in cities or urban agglomerations (United Nations 2000). This makes the urban climate and its anthropogenic modifications an important issue for planners, scientists and policy makers. The urban climate differs completely from that of rural or forested areas. Since urban surfaces are extremely heterogeneous the interaction with the urban bound...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی 1392

flow in natural river bends is a complex and turbulent phenomenon which affects the scour and sedimentations and causes an irregular bed topography on the bed. for the reason, the flow hydralics and the parameters which affect the flow to be studied and understand. in this study the effect of bed and wall roughness using the software fluent discussed in a sharp 90-degree flume bend with 40.3cm ...

2008
Kun Li Zhuang Yu

Urban heat islands are one of the most critical urban environment heat problems. Landsat ETM+ satellite data were used to investigate the land surface temperature and underlying surface indices such as NDVI and NDBI. A comparative study of the urban heat environment at different scales, times and locations was done to verify the heat island characteristics. Since remote sensing technology has l...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده ادبیات و علوم انسانی 1390

abstract: advertisements are the most accessible type of authentic materials, and this is one reason why they are used more and more in english teaching classes. for this cause, studies in the field of advertisements are very widespread nowadays. for pun is one aspect which makes advertisements more interesting, it is used more than before in advertisements. use of puns makes an advertisement m...

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