نتایج جستجو برای: gis geographical information systems

تعداد نتایج: 2169905  

2001
Lee Chapman John E. Thornes

The proliferation of 'commercial off the shelf' geographical information systems into the scientific community has resulted in the widespread use of spatial climate data in a variety of applications. This paper presents a review of the role of geographical information systems in climatology and meteorology by i) discussing methods used to derive and refine spatial climate data and ii) reviewing...

2003
Vijayan Sugumaran Ramanathan Sugumaran

Spatial Decision Support Systems (SDSS) assist decision makers in analyzing spatial problems and evaluate alternative solutions using applicable spatial and non-spatial data as well as analytical models. SDSS environments are typically built on top of Geographical Information Systems (GIS), which are capable of storing, manipulating and displaying geographically referenced information. Traditio...

2002
Suning XU Zhongya WEI Chenglin LIU

With the implementation of Earth Observation System (EOS), various technologies related to Earth Observation (EO) have been dramatically improved and extensively used. Geographical Information Systems (GIS) has also been developed greatly in recent years. Very few researches, however, have been done to integrate GIS and EO. Through analyzing some problems in the application of existing EOS and ...

2013

Geographical information systems (GIS) are designed to handle large amounts of information about the natural and built environments. Any such large collection of observational information is prone to uncertainty in a number of forms. If that uncertainty is ignored there may be anything from slightly incorrect predictions or advice, to analyses that are completely logical, but fatally flawed. In...

2005
C. Claramunt S. Fournier X. Li E. Peytchev

Combined research in the fields of Geographical Information Systems (GIS), transportation modelling and traffic systems has in fact finally reached the point where paths should overlap and continue in better unison between these different domains. This paper introduces methodological and experimental results of several integrated projects that include traffic monitoring systems, GIS and several...

2015
Simon Kranzer Simon Back Thomas Lampoltshammer Reinhard Mayr

1 : This paper presents the conceptual design and the related implementation of a bidirectional domain interconnection bridging Supervisory Control and Data Acquisition (SCADA) systems and Geographic Information (GI) systems. Due to the numerous common interests and the fact that both realms, SCADA and GIS, have their own central information, namely time-based sensor data and geographical posit...

2013
Tatyana Velikova Dimitrova

Currently there are thousand container events happening daily on more than 20 000 locations in the World. Some of these locations are big international ports and others are just little cities with not precise coordinates in the free available Data Bases (DB). Verification and validation these locations are at the same time a very important task and a challenging one. This paper describes the de...

Journal: :OR Insight 2009
Nurcan Temiz Vahap Tecim

Geographical information systems (GIS) provide forest managers with tools to use in planning forest operations by allowing them to visualize and integrate data into the planning decisions. As the forest planning process becomes increasingly complicated, there is a need to assist forest planners with operative tools. The combined use of GIS and multi-criteria decision methods (MCDM) allows fores...

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