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PORTAIL D'INFORMATION GÉOGRAPHIQUE

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  • Global Positioning System (GPS)
  • Description du système GPS. - (EM)
  • The global positioning system and its integration into college geography curricula
  • Introduces global positioning system (GPS) technology to nonspecialist geographers and recommends a framework for implementing GPS instructional modules in geography courses. - (DWG)
  • Differential Global Positioning System : potential for geographical information system database management
  • Canada ; Cartographie automatique ; Digitalisation ; Frange urbaine ; Ontario ; Réseau routier ; Système d'information géographique ; Topographie
  • Canada ; Computer-assisted mapping;Automated cartography ; Digitization ; Geographical information system ; Ontario ; Road network ; Topography ; Urban fringe
  • This system provides for the collection of timely and cost-effective spatial information. Data are collected for an area of rapid rural-to-urban land-use change by using low-cost receivers in static and kinematic modes. They were processed for input
  • to GIS and assessed for their positional accuracy. The 4 km2 area is located at the northeastern fringe of metropolitan Toronto.
  • Monitoring of gully erosion on the Loess Plateau of China using a global positioning system
  • Gully erosion : a global issue
  • China ; Global Positioning System ; Gully erosion ; Loess ; Plateau ; Shaanxi ; Slope gradient ; Soil erosion ; Watershed
  • The aim of this study is to use global positioning system (GPS) to measure the morphology of gullies in a small catchment near Suide, Shaanxi Province, China. There are 3 main gully types in the study area : bank gullies, floor gullies, and hill
  • Application of differential global positioning systems to monitor frost heave and thaw settlement in tundra environments
  • Active layer ; Alaska ; Cold area ; Global Positioning System ; Periglacial features ; Polar region ; Research technique ; Tundra
  • This paper describes the methodology employed to resolve vertical changes associated with frost heave and thaw settlement in northern Alaska, at Prudhoe Bay, using differential global positioning systems (DGPS) technology. Traditional profile
  • Urbane Ökonomien in Deutschland. Clusterpotenziale und globale Vernetzungen
  • Economies urbaines en Allemagne. Potentiel d'agrégation et interconnexions globales
  • Germany ; Globalization ; Location ; Network ; Urban economy
  • differences with regard to the large urban economic centres in West- and East-Germany. The different positions of particular urban economic centres in Germany and Europe as encoring points of global firms' organizational networks are being indicated
  • with regard to global service providers and global media firms, emphasizing the global interconnections as an important development factor particularly in the metropoles of the urban system. - (IFL)
  • Base de données ; Enseignement de la géographie ; Informatique ; Pédagogie ; Système d'information géographique
  • Computing ; Data base ; Geographical information system ; Pedagogy ; Teaching of geography
  • , global positioning systems and remote sensing. - (DWG)
  • General comments about the multiple uses of computer programs through word processing, databases, spreadsheets, telecommunication, graphics, drill and practice, games, reference simulations, multimedia, authoring, geographic information systems
  • The flow of information in a global economy: the role of the American urban system in 1990
  • This paper examines the contemporary production and exchange of higher-order information that occurs among and between American cities and reveals how ongoing globalization has affected the position of these cities in the system of information
  • exchange. A conceptual framework is introduced, combining processes of uncertainty, deregulation, globalization, and vertical disintegration. A three-tiered hierarchical system is revealed, with New York at the top.
  • Cartography ; Comparative study ; Global Positioning System ; Remote sensing ; Road ; Road traffic
  • Présentation du système Galileo destiné à rendre des services à la radionavigation plus performants que ceux réalisés par le système GPS. - (EM)
  • The place of geography in the studies on the Man and the Earth system
  • Action anthropique ; Changement global ; Ecosystème ; Effet de serre ; Environnement ; Géographie ; Géosystème ; Pologne ; Télédétection
  • Ecosystem ; Environment ; Geography ; Geosystem ; Global change ; Greenhouse effect ; Human impact ; Poland ; Remote sensing
  • The system Man and the Earth is investigated by various disciplines starting from the earth and biological sciences upto physics, chemistry, economic, social, agricultural and technical sciences. The geographical sciences should try to keep
  • their central position due to their wide perspectives, both spatial (regional) and historical (genetic).
  • Global positioning system: an effective way to map a small area or catchment
  • The Global Positioning System (GPS) is an established method for establishing high accuracy horizontal and vertical control points over large areas. This paper compares different GPS methods with occupation times of 2 s, 2 min and 12 min using
  • The use of Global Positioning System techniques for the continuous monitoring of landslides : application to the Super-Sauze earthflow (Alpes-de-Haute-Provence, France)
  • Alpes du Sud ; France ; Geodesy ; Geophysics ; Global Positioning System ; Landslide ; Mass movement ; Mountain ; Slope dynamics
  • Comparative study ; Digital elevation model ; Global Positioning System ; Photogrammetry ; Radar ; Reliability ; Remote sensing ; Research technique
  • Over recent decades several modern geoinformatic methods have emerged, including global positioning system (GPS), interferometric radar, and airborne laser scanner (ALS) or lidar. In conjunction with the conventional survey and photogrammetric
  • Arctic Region ; Cold area ; Comparative study ; Creep ; Geodesy ; Global Positioning System ; Ground survey ; Permafrost ; Rock glacier ; Svalbard
  • The results from new global positioning system (GPS) surveys in 1998 and 2000 show, that errors exist in the results from terrestrial surveys in 1996. The published displacement values of Berthling et al. (1998) are too large. This note corrects
  • Forecast ; Global Positioning System ; Global change ; Greenhouse effect ; Measurement ; Sea level
  • Changement global ; Effet de serre ; GPS ; Marégraphie ; Mesure ; Niveau marin ; Prévision
  • L'objet de cet article est l'évolution à long terme du niveau des mers, en prenant des distances avec les prévisions catastrophistes liées au réchauffement global et aux gaz à effet de serre. La question de l'élévation récente de ce niveau n'est pas
  • Geographical information system ; Ghana ; Global Positioning System ; Nineteenth Century ; Plantation ; Spatial narrative
  • Danois ; GPS ; Ghana ; Plantation ; Récit spatial ; Site historique ; Siècle 19 ; Système d'information géographique
  • Automated mapping ; Geographical information ; Geographical information system ; Global Positioning System ; Methodology ; Software
  • Cartographie automatique ; GPS ; Information géographique ; Logiciel ; Méthodologie ; Système d'information géographique
  • Geographical information system ; Global positioning system ; Location ; Methodology ; Spatial representation
  • GPS ; Localisation ; Méthodologie ; Représentation de l'espace ; Système d'information géographique
  • Le système GPS (Global Positioning System) autorise une très bonne précision dans le positionnement spatial de certains objets. L'A. trouve intéressant d'utiliser des appareils peu encombrants mais moins précis. Il se demande quelle peut être leur
  • China ; Duricrust ; Geographical information system ; Global Positioning System ; LANDSAT ; Remote sensing ; Shaanxi ; Soil degradation ; Soil erosion ; Thematic Mapper ; Vegetation index
  • Chine ; Dégradation des sols ; Encroûtement ; Erosion des sols ; GPS ; Indice de végétation ; LANDSAT ; Shaanxi ; Système d'information géographique ; Thematic Mapper ; Télédétection
  • and global positioning system) to assess the severity of land degradation risk. The northern part of Shaanxi province in China was taken as a case study. Satellite images of the study were acquired in October 1987 and in October 1999 (Landsat TM images). All
  • This research integrated selected land degradation indicators (vegetation cover, proportion of drifting sand area, desertification rate, and population pressure) with geo-information techniques (remote sensing, geographic information system
  • Aerial photography ; Colorado ; Global Positioning System ; Landslide ; Mountain ; Photogrammetry ; Photointerpretation ; Pond ; Topography ; United States of America
  • The AA. evaluate the implication that pond locations are controlled by basal slip surface topography using 9 years of systematic field observations of 8 ponds, and Global Positioning System (GPS) observations of the spatial position and water level