نتایج جستجو برای: land use change

تعداد نتایج: 2298270  

2009
Bo Huang Chenglin Xie Richard Tay Bo Wu

Modeling land-use change is a prerequisite to understanding the complexity of land-usechange patterns. This paper presents a novel method to model urban land-use change using support-vector machines (SVMs), a new generation of machine learning algorithms used in classification and regression domains. An SVM modeling framework has been developed to analyze land-use change in relation to various ...

2015
Jingbiao Yang Yi Chen Wang Luo Guo Dayuan Xue

Located in Qinghai Province of China, the Three Rivers Headwaters Region is the source region of the Yangtze, Yellow and Lantsang Rivers, and plays an important role in biodiversity conservation and regulating water supply. Despite many efforts on land use change in Qinghai, knowledge of the spatial variation of land use change is still lacking. This study examines the patterns of land use chan...

Journal: :پژوهش های حفاظت آب و خاک 0

changes in land use can significantly influence the hydrological cycle and hence affect water resources. understanding the impacts of land use changes on hydrology response at the watershed scale can facilitate development of sustainable water resources strategies. this paper investigates the hydrological effects of land use change in the zanjanroodbasinofiran, during last 40 years. the study r...

Journal: :Environmental science & technology 2009
Hyungtae Kim Seungdo Kim Bruce E Dale

Greenhouse gas release from land use change (the so-called "carbon debt") has been identified as a potentially significant contributor to the environmental profile of biofuels. The time required for biofuels to overcome this carbon debt due to land use change and begin providing cumulative greenhouse gas benefits is referred to as the "payback period" and has been estimated to be 100-1000 years...

For an optimum use of natural resources in the sustainable development trend, there is a need to identify ecological resources in the shortest period of time and minimum possible cost. In this article, we aimed Management ecosystem by Assessment of plant covers changes at Taleghan Township in a twenty year period. Percentage of landscape and number of patch were among the metrics that were calc...

Journal: :E3S web of conferences 2023

Land use and land cover change (LULCC) is a dynamic process that shapes landscapes, ecosystems, human societies. In the context of Uzbekistan, country in Central Asia, LULCC has been driven by complex interplay socio-economic, political, environmental factors. This review provides comprehensive analysis historical trajectories, drivers, implications Uzbekistan. Through synthesis diverse data so...

2008
Jian Peng Jiansheng Wu He Yin Zhengguo Li Qing Chang Tianlong Mu

As a local environmental issue with global importance, land use/land cover change (LUCC) has always been one of the key issues in geography and environmental studies with the expansion of regional case studies. While most of LUCC studies in China have focused on urban land use change, meanwhile, compared with the rapid change of urban land use in the coastal areas of eastern China, slow but dis...

2003
Peter H Verburg Jan R Ritsema van Eck Martin J Dijst Paul Schot

Land-use-change patterns are the result of the complex interaction between the human and the physical environment. Case studies of the determinants of land-use change can help to analyse which theory is appropriate in a particular region and stimulate the development of new theoretic understandings. In this paper an empirical method is presented to analyse the pattern of land-use change that al...

2011
K. W. Mubea T. G. Ngigi C. N. Mundia

Land use/cover change is a major global environmental change issue and projecting these changes is essential for the assessment of environmental impacts. In this study, a combined use of satellite remote sensing, geographic information systems (GIS), and markov chains stochastic modelling techniques were employed in analysing and projecting land use/cover changes. The results indicate that ther...

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