نتایج جستجو برای: nleap gis 42 model

تعداد نتایج: 2228866  

Journal: :International journal of geographical information science : IJGIS 1998
Daniel Z. Sui

"This paper reviews the practices, problems, and prospects of GIS-based urban modelling. The author argues that current stand-alone and various loose/tight coupling approaches for GIS-based urban modelling are essentially technology-driven without adequate justification and verification for the urban models being implemented. The absolute view of space and time embodied in the current generatio...

2011

In this research, Integration of GIS and Cellular automata modelling was used to develop a simulation model that can represent spatial distribution pattern of urban growth in Bandung Area. CA can be considered as analytical engine of GIS, which plays in important role in modelling and simulation of spatialtemporal processes. Another approach to integrate CA and GIS in this research are to devel...

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18 - Ayalew. L. Yamagishi. H. Marui. H & Kanno. T. (2005). "Landslides in Sado Island of Japan: Part II. GIS-based susceptibility mapping with comparisons of results from two methods and verifications.", Engineering Geology 81. (2005). 432– 445. 19 - Ayalew,l. and Yamagishi, H. (2005):The application of GIS –based logistic regression for landslide susceptibility mapping in the Kakuda-Yaahiko M...

2011
Min-Yuan Cheng Koshy Varghese James T. O'Connor

Geographic information systems (GIS), a technology for spatial data analysis which is widely used in geology, appears to have significant potential in construction applications. GIS as well as computer-aided design (CAD) are two computerized systems widely used in engineering design and spatial management. Currently, CAD is the most popular tool in geometric model creation. However, due to the ...

Journal: :IJSDIR 2006
Zorica Nedovic-Budic Raj Budhathoki

Information and communication technology (ICT), information infrastructure (II), geographic information system (GIS), and spatial data infrastructure (SDI) have interdependences. However, there has not been systematic exploration of their dependences, and therefore the nature of their relationships is not precisely known. Here, we use the “Bermuda” metaphor to initiate the discussion on which o...

Journal: :Cartographica 2005
Nicholas Chrisman

Over the past few years, a number of geographers, inspired by social theory of various derivations, attempted to recenter the focus of research about GIS. In place of a technical agenda, they sought to make space for studies of the implications of GIS for society at many scales and through many processes. While much of their critique serves useful purposes, the focus on implications adopts a mo...

2012
Christian Becker Joern Ostermann Martin Pahl

Data in Geo Information Systems (GIS) is used for map services and various applications. Thus, quality assessment on a regular basis is required to keep the data up-to-date. In this paper we focus on one key reasons for updates: incorrect object borders. State of the art systems semi-automatically analyse up-to-date satellite image data to narrow down areas that have to be considered for GIS up...

2003
Saeed Nadi Mahmoud Reza Delavar

Although, most of phenomena change over time, there has been an attempt to model the phenomena of real world assuming a static nature for them. Even when changes occurred in the phenomena, it is restricted to identify and assess the changes over a period of time. These static modeling can be applied when phenomena with a long change period are considered. Since late 1980s, and by increasing geo...

2009
J. Yu K. Shahbaz

Sensitivity analysis (SA) is a prerequisite for model building since it determines the reliability of the model through assessment of uncertainties in the simulation results. With growing interest in extending GIS to support multi-criteria decision-making (MCDM) methods, enhancing GIS-based MCDM with sensitivity analysis procedures is crucial. SA should be involved in GIS-MCDM model evaluation ...

1999
CHRISTOPHER M. GOLD

It is possible to eliminate some of the traditional problems with GIS implementation by changing the model of space used. The Voronoi spatial model has bee used as the basis of a set of core GIS or spatial operations, with encouraging results. It has been implemented in a PC environment so as to leave as much flexibility as possible for the designer of any particular application. Examples inclu...

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