نتایج جستجو برای: land use changes and road construction

تعداد نتایج: 17127987  

Journal: :مرتع و آبخیزداری 0
سمانه رضوی زاده دانشجوی دکتری دانشگاه کشاورزی و منابع طبیعی ساری علی سلاجقه دانشیار دانشکدة منابع طبیعی دانشگاه تهران شهرام خلیقی سیگارودی استادیار دانشکدة منابع طبیعی دانشگاه تهران محمد جعفری استاد دانشکدة منابع طبیعی دانشگاه تهران

land use change is one of the main factors in the process of changing the regime of flood in watersheds. taleghan watershed has been subjected to many land use changes over years, which probably effects on flood characteristics of taleghan river. in present study the effects of land use change on some parameters including peak flow, volume and flood base time, in part of taleghan basin, was inv...

تیموری, اصغر, ربیعی‌فر, ولی‌الله, هادوی, فرامرز, هادوی, محمدرضا,

Nowadays, irregular horizontal expansion of the cities is one of the nation’s major problems, having been given way to as a result of ever-increasing importance attached to the cities and their population concentration. The problems of the cities are the intertwined structural, economic, social, and environmental factors resulting from irregular horizontal expansion. However, despite difficulti...

Journal: :Environmental Health Perspectives 2004
Jonathan A. Patz Peter Daszak Gary M. Tabor A. Alonso Aguirre Mary Pearl Jon Epstein Nathan D. Wolfe A. Marm Kilpatrick Johannes Foufopoulos David Molyneux David J. Bradley

Anthropogenic land use changes drive a range of infectious disease outbreaks and emergence events and modify the transmission of endemic infections. These drivers include agricultural encroachment, deforestation, road construction, dam building, irrigation, wetland modification, mining, the concentration or expansion of urban environments, coastal zone degradation, and other activities. These c...

Journal: :آمایش سرزمین 0
فرزام هستی کارشناس ارشد ارزیابی و آمایش سرزمین، دانشکدة شیلات و محیط زیست، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، گرگان، ایران عبدالرسول سلمان ماهینی دانشیار، دانشکدة شیلات و محیط زیست، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، گرگان، ایران رامتین جولایی استادیار، دانشکدة مدیریت کشاورزی، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، گرگان، ایران

the present study aims to provide a solution to optimize land use through multi-objective linear programming, and to solve the conflicts generated in the process using game theory, in two cities of gorgan and kurdkoy, iran. the primary land use planning was completed for seven land use through multi-criteria evaluation and then a first allocation was implanted using mola. in the secondary land ...

Khadijeh Abolfathi Marzieh Alikhah-Asl Mohammad Namdar Mohammad Rezvani

The growing population and increasing socio-economic necessities creates a pressure on land use/land cover. Nowadays, land use change detection using remote sensing data provides quantitative and timely information for management and evaluation of natural resources. This study investigates the land use changes in part of Hableh Rood Watershed of Iran using Landsat 7 and 8 (Sensor ETM+ and OLI) ...

Land-use change is one of the most important challenges of land-use planning that lies with planners, decision-makers and policymakers and has a direct impact on many issues, such as economic growth and the quality of the environment. The present study examines the land use change trends in Behbahan city for 2014 and 2028 using LCM in the GIS environment. Analysis and visibility of user variati...

رأفت نیا, نصرت الله, شتایی, شعبان, غضنفری, هدایت, مصطفی, محسن,

Forest roads are necessary to access the forest area in order to performance forest management plans and to be availability of forest regions. Purpose of this research was technical characteristic analysis of existing road networks in compare to given standards of rural road, forest road and in multiple use forest management plan of Armardah, Banah. First, the existing road network was extract...

2008
Wai Yuen Szeto

In the past, transport network design focused on the effect of designs on the transport system alone but not on the land use system, and ignored the land use-transport interaction over time. This may result in obtaining suboptimal designs. Additionally, the impacts of road network improvement policies on the land use system, especially the benefit of landowners cannot be evaluated without consi...

2016
S. S. AKAY E. SERTEL

Urban land cover/use changes like urbanization and urban sprawl have been impacting the urban ecosystems significantly therefore determination of urban land cover/use changes is an important task to understand trends and status of urban ecosystems, to support urban planning and to aid decision-making for urban-based projects. High resolution satellite images could be used to accurately, periodi...

2016
Dengfei Li Youyou Huang Bo Qiao Xianchun Yan Wei He D. F. Li

The rapid expansion of urban construction land has become the major characteristic of urban land-use change in China today. Meanwhile, the rapid urbanization process has led to the great changes of urban landscape in China, and it also has had certain impacts on environmental factors such as climate, soil, hydrology, biodiversity, etc., then it has made the overall ecological environment deteri...

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