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Résultats de la recherche (720 résultats)

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  • Geochemical Landscape Analysis: Development and Application to the Risk Assessment of Acid Mine Drainage. A Case Study in Central Sweden
  • Drainage ; Dégradation de l'environnement ; Géochimie ; Milieu humide ; Mine ; Modèle ; Pollution ; Pollution du sol ; Suède
  • Acid Mine Drainage (AMD) ; Drainage ; Environmental assessment ; Environmental degradation ; Geochemistry ; Humid environment ; Mine ; Model ; Pollution ; Soil pollution ; Sweden ; geochemical modelling ; landscape geochemistry ; mine contamination
  • efficiently for the risk assessment of toxic mine contaminants in the complex wetland landscape in the study area.
  • Acid mine drainage containing toxic contaminants is a major cause of landscape degradation at numerous historic mine sites in Europe. Risk assessment of acid mine drainage and related polluted lands requires an approach that is able to study
  • the complexity of pollution emissions and impacted landscapes. The objective of this paper is to link geochemical contaminant fate modelling and landscape analysis for the risk assessment of acid mine drainage along the source-pathway-receptor chain. A simple
  • 2011
  • Managing artisanal and small-scale mining in forest areas : perspectives from a poststructural political ecology
  • Communauté ; Discours ; Déboisement ; Ecologie politique ; Exploitation minière ; Gestion des ressources ; Mine ; Politique ; Poststructuralisme
  • Community ; Deforestation ; Discourse ; Mine ; Mining activity ; Policy ; Political ecology ; Post-structuralism ; Resource management
  • 2011
  • Predictive modelling of surface subsidence above an underground coal mine at Máza-Váralja-South (Northeast Mecsek, Hungary)
  • Action anthropique ; Etude d'impact ; Evolution du relief ; Géologie de l'ingénieur ; Géomorphologie ; Hongrie ; Mesure de terrain ; Mine ; Modélisation ; Máza-Váralja-South ; Subsidence ; Surveillance ; Système d'information géographique
  • Engineering geology ; Geographical information system ; Geomorphology ; Ground survey ; Human impact ; Hungary ; Impact study ; Landform evolution ; Mine ; Modelling ; Monitoring ; Subsidence
  • The anthropogenic landforms can be predicted by engineering methods in a mining area. These methods became the instruments of Environmental Impact Assessment (EIA). In the paper, such calculation method was applied, but it was combined with GIS
  • 2011
  • Cultural landscape ; German Democratic Republic ; Germany ; Mine ; Mining area ; Rehabilitation
  • Allemagne ; Allemagne RDA ; Bassin minier ; Mine ; Paysage culturel ; Réhabilitation
  • 2011
  • Aragón ; Arid area ; Mediterranean area ; Mine ; Rill wash ; Slope ; Soil erosion ; Soil moisture ; Spain ; Teruel ; Vegetation dynamics
  • Aragón ; Domaine aride ; Domaine méditerranéen ; Dynamique de la végétation ; Erosion des sols ; Espagne ; Humidité du sol ; Mine ; Ruissellement ; Teruel ; Versant
  • ) and the associated responses describing vegetation performance (plant water status and potential seed germination) and vegetation structure in five coal-mining reclaimed slopes subjected to different rill erosion rates. This work was carried out in the Utrillas field
  • site, which is located in the reclaimed mine El Moral, Central-Eastern Spain. Rill network development leads to increased runoff connectivity and to concentration of water flow along the channeling network. As a result, water loss from the slope system
  • 2011
  • Pit avulsions and planform change on a mined river floodplain : Tangipahoa River, Louisiana
  • Channel geometry ; Environmental degradation ; Flood ; Floodplain ; Fluvial capture ; Gravel mining ; Human impact ; Louisiana ; Meander ; Stream ; United States of America
  • Using geospatial data from the mined Tangipahoa River floodplain for 1980 to 2004, the aims of this study are to (1) assess if pit characteristics such as proximity to channel and size affect the potential for diversion; and (2) interpret
  • relationships between pit diversions, channel changes, and floods. Of the 56 pits mapped in the floodplain in 1980, 6 had been captured by 2004. Captured pits were closer to the main channel than those which were not captured, but the areas of captured
  • 2011
  • Adaptation ; Agriculture ; Burkina ; Economic impact ; Extractive industry ; Gold ; Mine ; Multinational firm ; Rural area
  • Adaptation ; Agriculture ; Burkina ; Burkina du Nord ; Entreprise multinationale ; Espace rural ; Impact économique ; Industrie extractive ; Mine ; Or
  • 2011
  • by the investigation of the lowest tenth of the income rank analysed in the study. The paper points out that the appearance of new peripheral settlements were in connection with the structural crisis of the mining and heavy industrial areas of NE and SW Hungary
  • The spatial income pattern of Hungary significantly altered after the political transition. The change influenced the territorial characteristics of peripheral areas. The development of the formerly backward areas in Western Hungary was confirmed
  • . Peripheral settlements tend to concentrate territorially after the political transition causing the deepening of their depression. The backward situation of the peripheral areas can be regarded as stable, their catching up has not started yet. - (AM)
  • 2011
  • Aspects of integrated water resources management in river basins influenced by mining mctivities in lower Lusatia
  • Brandenburg ; Climatic change ; Environment ; Extractive industry ; Germany ; Hydrology ; Mining area ; River basin ; Stream ; Water management ; Water resources
  • 2011
  • This article utilizes dendrogeomorphology to investigate the spatial and temporal variation of mass movement dynamics on south-eastfacing slopes of the Krušné Hory Mountains, an area affected by open-pit mining. It is based on 93 samples collected
  • from 35 disturbed Fagus sylvatica trees. These samples were taken in five model locations, representing the most problematic sections of the entire area. For reasons of sample depth, the analysis was limited to the period from 1900 to 2006. The article
  • 2011
  • Channel geometry ; Gravel mining ; Human impact ; Meander ; Mississippi ; Oxbow-lake ; Stream ; United States of America
  • , but has since undergone an average of 2.65 m of degradation in the study reach. Survey data from a nearby USGS stream gage show that degradation began abruptly in the mid 1970s, most likely as a result of in-stream mining and pit avulsions on a major
  • tributary that deprived downstream areas of bed load and created profile adjustments.
  • 2011
  • Variscan plate dynamics in the circum-carpathian area
  • 2011
  • [b2] Fac. of Geology, Geophysics and Environmental Protection, Univ. of Mining and Metallurgy, Krakow, Pologne
  • Arid area ; Chile ; Geochemistry ; Hydrochemistry ; Mining activity ; Soil ; Water ; Watershed
  • 2011
  • Agriculture ; Farmer ; Heavy metals ; Irrigation ; Land use ; Mining activity ; Mixed farming ; Outer conurbation area ; Polluted water ; Pollution ; Subsistence agriculture ; Zambia
  • 2011
  • Theoretical and methodological aspects of the identification and delimitation of peripheral areas
  • This article focuses on the topic of the polarisation of space. Its objective is to give a basic overview of the theoretical and methodological aspects of research on peripheral areas and to discuss selected aspects. Attention is given
  • to the concept of polarisation of space as a central theoretical point of departure in studying peripheral areas. In the second section, attention is directed at defining the terms marginality/ peripherality and marginal/peripheral areas. - (EN)
  • 2011
  • Organic farming as a potential for the development of protected areas
  • Agriculture ; Legislation ; Organic farming ; Protected area ; Regional development ; Slovenia ; Socio-economic system ; Tourism potential
  • Possibilities for the development of organic farming in protected areas are analyzed considering the background of the current state of organic farming in Slovenia, current legislation regarding farming in protected areas and both, economic
  • and demographic characteristics of the selected protected areas in that country. Organic farmers are important providers of healthy, locally produced food, which can be the important component of tourism. Low interconnections between farmers and others cause
  • inhibition of development of organic farming in protected areas. - (IKR)
  • 2011
  • The Tokaj-Hegyalja wine-growing area is the most famous and best known among in Hungary. The size of the area is 890 km2 in total. Depending on time and space 5,000–8,000 hectares have been used to grow wines. The criteria of a wine-growing area
  • of high quality and registered place of origin are the following : it ranges over the administrative borders of several settlements; all parts of the area share the same climate ; configuration of terrain and type of soil ; all parts of the area have
  • the same types of vine and cultivation method; all parts of the area have similar wine-growing traditions ; it produces wines specific to the area ; the proportion of vineyards is at least 7% in each settlement of the area. The study gives an historical
  • overview of the area with the focus on how the traditional area transformed during the examined period. - (AM)
  • 2011
  • California ; Form of transport ; Land use ; Los Angeles ; Mobility ; Neighbourhood ; Residential environment ; Spatial behaviour ; United States of America ; Urban area ; Urban migration
  • The paper reports results from a detailed travel diary survey in the South Bay area of Los Angeles County. Study areas were divided into four centres, typical of compact development or smart growth, and four linear, auto-oriented corridors. Results
  • show substantial variation in the amount of walking across study areas. Pedestrian-oriented neighbourhoods necessarily import shopping trips, and driving trips, from larger surrounding catchment areas. The results suggest both land use and mobility
  • 2011
  • Differential hydrological response of biological topsoil crusts along a rainfall gradient in a sandy arid area: Northern Negev desert, Israel
  • Arid area ; Biogenic process ; Desert ; Duricrust ; Infiltration ; Israel ; Negev ; Precipitation ; Runoff ; Soil moisture ; Soil properties ; Vegetation ; Water retention
  • Data on rainfall, runoff and soil moisture regime were collected at 5 monitoring sites in a sandy area, along a rainfall gradient from 86 to 160 mm. Despite the uniform sandy substratum the frequency and magnitude of runoff declined with increasing
  • . In the drier area, the thin crust can absorb only limited rain amounts, resulting in surface runoff and deeper water infiltration at run-on areas. These findings demonstrate the important role played by different types of biological soil crusts along
  • the rainfall gradient considered, and question the generally held belief that higher rainfall necessarily leads to deeper water infiltration in sandy arid areas; and higher water availability for the perennial vegetation.
  • 2011
  • Evolution of vegetation activity on vegetated, eroded, and erosion risk areas in the central Spanish Pyrenees, using multitemporal Landsat imagery
  • (the end of summer). The series were generated from Landsat TM and Landsat ETM+ images for the period 1984–2007. An increase in the NDVI in March was found for vegetated areas, and the opposite trend was found in both March and August for degraded areas
  • (badlands and erosion risk areas). The rise in minimum temperature and the time variation of the cloud cover during the study period appears to be the most important factors explaining increased NDVI in the vegetated areas. In degraded areas, no climatic
  • 2011