نتایج جستجو برای: land use changes

تعداد نتایج: 2557869  

Journal: :پژوهش و برنامه ریزی روستایی 0
میرستار صدر موسوی اکبر حسین زاده سمیرا مرادی مفرد محمدکاظم جمشیدی

extended abstract 1. introduction land as habitat and place of having the highest importance in human life and the source of all human needs is. any planning requires having information about the phenomena on the land, trappings and paraphernalia land. this information collected is an issue that eventually will lead to the management of land information in one system. organization and operation...

Journal: :international journal of agricultural management and development 2016
khadijeh abolfathi marzieh alikhah-asl mohammad rezvani mohammad namdar

the growing population and increasing socio-economic necessitiescreates 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) i...

Journal: :تحقیقات آب و خاک ایران 0
مریم اوسط کارشناس ارشد، دانشکده مهندسی و فناوری کشاورزی احمد حیدری استادیار، دانشکده مهندسی و فناوری کشاورزی فریدون سرمدیان دانشیار، دانشکده مهندسی و فناوری کشاورزی

balance among different fractions of a carbon sources is of paramount importance in maintenance of very important in soil quality and environmental health. on the other hand, rapid growth of world population, degradation of agricultural soils, along with release of greenhouse gasses are some of the main challenges of the 21st century. the aim of this study was to investigate the extent of chang...

unprincipled changes in land use are major challenges for many countries and different regions of the world, which in turn have devastating effects on natural resources, Therefore, the study of land-use changes has a fundamental and important role for environmental studies. The purpose of this study is to detect and predicting of land use/ land cover (LULC) changes in Darab plain through the Ma...

In a natural ecosystem, land exploitation and change in environmental conditions, particularly changes in vegetation and land use effects on hydrological responses such as floods and erosion and sediment and ultimately causing heavy social-economic losses. Then, prediction of effect of land use changes on flood situation in the future decades and sedimentation of watersheds will be the way to d...

ژورنال: علوم آب و خاک 2015
زرین کفش, منوچهر, شاهویی, سید صابر, ویسانی, وریا, پارسامنش, نوشین,

Reduction of quality and soil productivity due to organic carbon losses is one of the most important consequences of land use changes, that creates irreparable effects on the soil. To evaluate the land use effect on the amount of soil organic carbon in Vertisols, Sartip Abad series with extent of 1850 hectare in south of Bilehvar area in Kermanshah province was studied by using the completely r...

Journal: :تحقیقات جغرافیایی 0
نفیسه رمضانی دانشگاه صنعتی اصفهان رضا جعفری دانشگاه صنعتی اصفهان

modeling and prediction of land use/cover changes is an essential need for planning sustainable use of land in country like iran with its high level of changes in land uses and land covers. this study aimed to analyze the capability of ca markov prediction model and landsat satellite images for land use/cover change detection within the framework of “iran at 1404 prospective” in esfarayen r...

Cities are experiencing rapid population growth and consequently extensive urbanization. Land-use/land-cover change is one of the important elements worldwide, which significantly affect the environment. This study aims to describe the emergence of urban heat and cool islands as a result of changes in land-use/land-cover. Land surface temperature over a 32-year period in Isfahan city, Iran was ...

Journal: Desert 2007
A. Sood P. Sharma R. Mahey S. Bazgeer, S. Hundal

Abstract Decadal changes in land use/land cover for Balachaur watershed in Nawanshahar district, Punjab, India were studied using black and white aerial photographs for March 1984 on approximately 1:20,000 scale and multidate geocoded false colour composites (FCC) of IRS-1D LISS-III on 1:50,000 scale for March 2002, September 2002, and May 2003 and interpreted visually to prepare land use/land...

Journal: :محیط زیست طبیعی 0
سیده شعله حسینی کارشناس ارشد محیط زیست، دانشگاه آزاد، واحد علوم و تحقیقات حمید رضا غفارزاده عضو هیئت علمی دانشکده محیط زیست و انرژی، دانشگاه آزاد واحد علوم و تحقیقات زهرا عابدی عضو هیئت علمی دانشکدة محیط زیست و انرژی، دانشگاه آزاد واحد علوم و تحقیقات نیما شیری پردیس علوم کشاورزی و منابع طبیعی، دانشگاه تهران

the objective of this study is to investigate of climate change in gorgan river-gharesoo basin and these impacts of this phenomenon on regional land use change, as well as provide guidance on the effective management and conservation of natural land area. analysis of climate data including rainfall, average temperature and relative humidity of nine synoptic stations in this area from east to we...

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