نتایج جستجو برای: urban expansion model

تعداد نتایج: 2360983  

2016
Xiaoqing Song Kang-tsung Chang Liang Yang Jürgen Scheffran

Driven by rising income and urban population growth, China has experienced rapid urban expansion since the 1980s. Urbanization can have positive effects on the urban environment; however, improvement of urban environment quality, especially its divergence between relatively developed and undeveloped cities in China, is currently a rather rudimentary and subjective issue. This study analyzed urb...

ژورنال: انرژی ایران 2023

In this study, a new model is proposed to solve the problem of transmission and battery expansion planning considering integrated electricity and gas systems. The presented model is a bi-level stochastic planning model, where transmission and battery expansion planning modeling is done on one level, and gas network modeling is done on the other level. Here, the impact of the high penetration of...

Journal: :تحقیقات اقتصادی 0
شکوفه فرهمند استادیار گروه اقتصاد - دانشگاه اصفهان

there are different studies in urban literature on the determinants of urban growth, from the theoretical and empirical points of view. the most completed theoretical model is henderson model (1988, 1997, and 1999), which is tested by some empirical studies. as henderson model shows, the set of national product, specialization and technological progress are the determinants of urban growth. usi...

2014
Wenze Yue Peilei Fan Yehua Dennis Wei Jiaguo Qi

Studies of urbanization effects in Chinese cities from the aspect of the coupled development of economy and environment are rare due to data limitations. This paper studied Shanghai’s fast urban expansion and examined the dynamic relationship between economic growth and environment consequences at the district level. We extracted data on urban built-up area and land surface temperature from rem...

2007
Yichun Xie Chuanglin Fang George C.S. Lin Hongmian Gong Biao Qiao

This study examines the temporal and spatial changes in land use as aconsequence of rapid urban development in the city of Beijing. Using a combination oftechniques of remote sensing and GIS, the study identifies a substantial loss of plaindryland and a phenomenal expansion of urban construction land over the recent decade.Geographically, there is a clear shifting of urban construction land fro...

Journal: :Remote Sensing 2017
Muralikrishna Gumma Irshad A. Mohammed Swamikannu Nedumaran Anthony M. Whitbread Carl Johan Lagerkvist

Many Indian capitals are rapidly becoming megacities due to industrialization and rural–urban emigration. Land use within city boundaries has changed dynamically, accommodating development while replacing traditional land-use patterns. Using Landsat-8 and IRS-P6 data, this study investigated land-use changes in urban and peri-urban Hyderabad and their influence on land-use and land-cover. Advan...

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

2017
Hongyan Cai Xinliang Xu

Many studies have reported the thermal effects of urban expansion from non-built-up land; however, how changes in building height in built-up land influence the regional thermal environment is still uncertain. Thus, taking the transitional region between the Chinese megacities of Beijing and Tianjin as the study area, this study investigated the impacts of built-up land expansion in 2D and 3D o...

Journal: :محیط شناسی 0
مهدی حسام دانشجوی دکتری جغرافیا و برنامه ریزی روستایی،گروه جغرافیای انسانی دانشکده جغرافیا، دانشگاه تهران احمد پوراحمد استاد گروه جغرافیای انسانی دانشکده جغرافیا، دانشگاه تهران حدیثه آشور دانشجوی کارشناسی ارشد جغرافیا و برنامه ریزی شهری، گروه جغرافیای دانشکده ادبیات و علوم انسانی دانشگاه محقق اردبیلی

one of the most important subjects in 21 century in relation to sustainable urban development is urban form. urban form that is pattern of spatial distribution of human activities in a specific period can be divided into two kinds: compact city and urban sprawl. because there is a close relation between urban form and urban sustainability, urban planners have to know about urban pattern and for...

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