نتایج جستجو برای: gis and remote sensing

تعداد نتایج: 16871922  

Journal: :Journal of environmental management 2002
Qihao Weng

Rapid land use change has taken place in many coastal regions of China such as the Zhujiang Delta over the past two decades due to accelerated industrialization and urbanization. In this paper, land use change dynamics were investigated by the combined use of satellite remote sensing, geographic information systems (GIS), and stochastic modelling technologies. The results indicated that there h...

2012
Kevin Czajkowski Patrick L. Lawrence

The Maumee River watershed is the largest drainage basin that discharges into the Great Lakes. Although the watershed is largely a rural landscape, several major urban-industrial cities, including Fort Wayne and Toledo are located along the river. Many water quality concerns are present, especially nonpoint rural runoff that contributes significant amounts of sediment into the Maumee River. The...

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...

Journal: :American Journal of Geographic Information System 2012

Journal: :International Journal of Engineering & Technology 2018

Journal: Desert 2018
A. Ahmadi, A. Kazemi H. Toranjzar

Soil salinity phenomena are one of the main problems of arid and semi-arid lands. Saline soils constitute a huge part of Iran, and also threaten its neighboring lands. Therefore, in order to optimum exploitation of such soils, qualitative monitoring is necessary. Recently, remote sensing techniques have been increasingly applied in monitoring soil characteristics. The present study was carried ...

Journal: :Int. J. Digital Earth 2014
Bakhtiar Feizizadeh Thomas Blaschke Hossein Nazmfar

GIS-based ordered weighted averaging and Dempster–Shafer methods for landslide susceptibility mapping in the Urmia Lake Basin, Iran Bakhtiar Feizizadeh a b , Thomas Blaschke a & Hossein Nazmfar c a Department of Physical Geography, Centre for Remote Sensing and GIS, University of Tabriz, Tabriz, Iran b Department of Geoinformatics (Z_GIS), University of Salzburg, Salzburg, Austria c Department ...

2013
Parag Bhalchandra

In recent years, Remote Sensing and Geographical Information System (GIS) technologies has been the object of considerable interest to all bodies concerned with space and in particular emergency services and disaster management. In this paper we, address the issues regarding contemporary works on role of GIS in disaster Management. This paper is a review of some interesting and milestone resear...

Journal: :International Journal of Innovative Research in Science, Engineering and Technology 2015

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