نتایج جستجو برای: land covers change

تعداد نتایج: 719606  

Urban land use change is one of the key issues in urban planning that has been addressed by researchers in many different aspects, especially from the perspective of space. But the point that has been overlooked in various studies is that the analysis of different aspects of land use change is not limited to classical and spatial factors, and because of the various interest of land use change, ...

2003
R. K. Kaufmann L. Zhou R. B. Myneni C. J. Tucker D. Slayback N. V. Shabanov Jorge Pinzon

[1] We use statistical techniques to quantify the effect of interannual variations in vegetation within land covers on surface temperature in North America and Eurasia from satellite measures of surface greenness and ground based meteorological observations. During the winter, reductions in the extent of snow cover cause (in a statistical sense) temperature to rise. During the summer, increases...

Journal: :پژوهش و برنامه ریزی روستایی 0
امیر احمدپور اسماعیل علوی

purpose: one of the major problems in the agriculture field is the land use change that has been growing recently and disturbing the balance of agricultural products in long term. there are many factors that affect farmers' willingness to change the use of land. in this regard, the main objective of this study is to identify factors which affect the agricultural land use change in rural areas i...

Journal: :Appl. Soft Comput. 2015
Süleyman Savas Durduran

Information on a well-scale urban land cover is important for a number of urban planning practices involving tree shade mapping, green space analysis, urban hydrologic modeling and urban land use mapping. In this study, an urban land cover dataset received from the database of UCI (University of California at Irvine) machine learning was used as the urban land cover data. This dataset is the ur...

2011
Yang LIU Meng GUO Xiufeng WANG Hiroshi TANI Kunpeng YI

From winter 2009 to spring 2010, due to decreasing precipitation and high temperature, Southwest China experienced the worst meteorological drought in 60 years. The drought has impacted large areas of Guizhou, Yunnan, Guangxi and Sichuan provinces. In this paper, climate data (precipitation and temperature) and SPOT VGT Normalized Difference Vegetation Index (NDVI) data were combined with land ...

رحمانی, ناصح, سلیمانی, کریم, شاهدی, کاکا, یعقوب زاده, میرحسن,

The land use change is one of the major challenges of the human communities in this century and even more its impacts are than the climate change phenomenon. Land use change influences run-off as well as the other hydrologic factors such as interception, infiltration and the flood intensity. This study is aimed to investigate the impact of last 30 years of land use changes on hydrological behav...

1985
F. Bagayoko N. C. van de Giesen

Effect of seasonal dynamics of vegetation cover on land surface models: a case study of NOAH LSM over a savanna farm land in eastern Burkina Faso, West Africa F. Bagayoko, S. Yonkeu, and N. C. van de Giesen Water Resources Management, Faculty of Civil Engineering and Geosciences, TU Delft, Stevinweg 1, 2600 GA Delft, P.O. Box 5048, The Netherlands Center for Development Research (ZEF), Universi...

2012
Jorge Garcia-Gutierrez Luis Gonçalves-Seco Jose C. Riquelme-Santos

The area of Huelva, in the South of Spain, is a well-known case of human pressure on the natural environment. In Huelva, National Parks, like Doñana, and industrial and tourist zones coexist in difficult balance. The Regional Ministry of Andalusia is commissioned to assure the preservation of the natural resources in this part of Spain although its cost can be high in time and money. Remote sen...

Journal: :Int. J. Applied Earth Observation and Geoinformation 2015
Waldo Kleynhans Brian P. Salmon Konrad J. Wessels Jan C. Olivier

Recent development has identified the benefits of using hyper-temporal satellite time series data for land cover change detection and classification in South Africa. In particular, the monitoring of human settlement expansion in the Limpopo province is of relevance as it is the one of the most pervasive forms of land-cover change in this province which covers an area of roughly 125 000km. In th...

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