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Portail d'information géographique

Résultats de la recherche (52 résultats)

Rezul'taty soveršenstvovaniâ soderžaniâ i legendy morfologičeskoj karty

The possibility of land surface elements classification by the morphological principle only is grounded. The morphological map (the map of land surface elements) is considered as basic model of locality. Instead of complicated set of insignia
1998

GIS, cartography and geography : the view from the other side

Warren finds a middle ground between the enthusiasm of Goodchild for GIS and the skepticism of Entrikin over GIS's contribution to much of geography. She argues that GIS is part of a larger world mutation in which human and machine interface to form
1998

Local autonomy, national policy and global imperatives : sex work and HIV/AIDS in Cebu City, Philippines

to eliminate mandatory blood screening on the grounds that it was expensive and ineffectual in slowing the spread of HIV. The paper highlights how various socio-spatial scales helped to constitute Cebu's response to mandatory testing, while at the same time
1998

Neue Beobachtungen an unterkühlten Schutthalden

Austria ; Freeze-thaw cycle ; Ground ice ; Ice ; Measurement ; Periglacial features ; Slope ; Temperature ; Tirol
1998

Kriolitozona Bajkalo-Patomskogo nagor'â

Asian part of Russia ; Eastern Siberia ; Frozen ground ; Periglacial features ; Temperature
1998

Meteorological observations 1997 at the Arctic Station, Qeqertarsuaq (69°15'N), Central West Greenland

An automatic meteorological station has been operating at the Arctic Station (69°15'N, 53°31'W) in West Greenland since 1990. This paper summarizes meteorological parameters during 1997, including snow and sea ice cover, ground temperatures
1998

Incoming longwave radiation enhancement by cloud cover

The effect of cloud cover on incoming longwave radiation reaching the ground surface is investigated using an analytic procedure. Results show that the contribution of a cloud deck depends not only on cloud type, but also on cloudless emissivity
1998

A glacial interpretation for the origin and formation of the Marinet Rock Glacier, Alpes Maritimes, France

Rock glaciers of the Southern French Alps, specifically the Marinet Rock Glacier, are commonly thought to have apermafrost origin. However, results from ground surveys, relationships between debris and ice input, lichen dating and historical
1998

Reshaping boundaries : international ethics and environmental consciousness in the early twentieth century

and public figures associated with the Scottish Patrick Geddes, reveals that their support for values of harmony and cooperation found common ground across geographical boundaries and were important components of an international imagination.
1998

The response (1958-1997) of permafrost and near-surface ground temperatures to forest fire, Takhini River valley, southern Yukon Territory

The response (1958-1997) of permafrost and near-surface ground temperatures to forest fire, Takhini River valley, southern Yukon Territory
1998

Situating justice in the environment : the case of BHP at the Ok Tedi copper mine

The paper explores the potential for a politically grounded theory of justice in and to the environment. The point of departure is explained from understandings of environmental ethics that presuppose a global ontological framework. The question
1998

The active layer : two contrasting definitions

couche active présentée récemment dans le Glossary of Permafrost and Related Ground-Ice Terms publié au Canada, est basée exclusivement sur le gel de l'eau dans le sol. La définition est donnée de telle façon que l'épaisseur de la couche active ne peut
1998

An appraisal of cryostratigraphy in North-West Arctic Canada

Canada ; Climatic variation ; Cold area ; Ground ice ; Northwest Territories ; Periglacial features ; Permafrost ; Polar region ; Quaternary ; Stratigraphy ; Thawing
1998

Wasserpotentiale in Südhessen : das Beispiel Hessisches Ried

Environment ; Germany ; Groundwater ; Hessen ; Land use ; Phreatic ground water ; Water ; Water management ; Water resources ; Water use
1998

Effets possibles sur les écoulements superficiels et les eaux souterraines

Auvergne ; Climatic variation ; Climatic warming ; Discharge ; Forecast ; France ; Global change ; Greenhouse effect ; Groundwater ; Phreatic ground water ; Stream
1998

Impacts of human activities on water cycles in Haihe basin

China ; Human impact ; Impact ; Phreatic ground water ; Water balance ; Water cycle ; Water pollution ; Water quality ; Water use ; Watershed
1998

Improving methodology for high-resolution reconstruction of sea-level rise and neotectonics by paleoecological analysis and AMS C 14 dating of basal peats

a revision of Holocene (ground)water gradient lines. A knickpoint in these gradient lines can be related to the effect of faulting.
1998

Le sport post-moderne dans les villes des Etats-Unis : expansion, diversité et concentration des classes moyennes

trace nostalgique. Moins médiatisée, la pratique libre et individuelle d'un sport investit les espaces des villes américaines, du play-ground de ghetto au club d'équitation en banlieue huppée. - (CG)
1998

The role of biota in the initiation and growth of islands on the floodplain of the Okavango alluvial fan, Botswana

of the termite Macrotermes michaelseni. Shrubs and trees are able to colonize these mounds, which results in increased transpiration. As a result, precipitation of calcite and silica from the shallow ground water occurs preferentially beneath the mounds
1998

Création d'une mosaïque d'orthophotos comme réalité de terrain dans un environnement de photogrammétrie numérique sur ordinateur personnel

Creation of an orthophoto mosaic as a ground truth in a digital photogrammetric environment on personal computer
Central Europe ; Europe ; Geneva Switzerland ; Switzerland ; accuracy ; aerial photography ; altitude ; computers ; digitization ; geographic information systems ; ground truth ; histograms ; mosaics ; numerical models ; orientation ; photogrammetry
1998