Literatura académica sobre el tema "Utilisation du sol – Télédétection – Amazonie"
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Artículos de revistas sobre el tema "Utilisation du sol – Télédétection – Amazonie"
Billard, Cécile, Valéry Gond, Johan Oszwald, Xavier Arnauld de Sartre y Benno Pokorny. "Trajectoires des pratiques agricoles paysannes en Amazonie". BOIS & FORETS DES TROPIQUES 319, n.º 319 (1 de enero de 2014): 53. http://dx.doi.org/10.19182/bft2014.319.a20552.
Texto completoGUERFI, Mokhtar y Atef Alaadine Amriche. "L'approche détection des changements pour estimer l'humidité du sol en milieu semi-aride à partir des images ASAR. Cas des hautes plaines de l'Est de l'Algérie". Revue Française de Photogrammétrie et de Télédétection, n.º 210 (7 de abril de 2015): 51–62. http://dx.doi.org/10.52638/rfpt.2015.271.
Texto completoN'Guessan Bi, Vami Hermann, Mahaman Bachir Saley, Narcisse Talla, Janvier Fotsing, Kouadio Affian y Emmanuel Tonye. "Apport de la télédétection à l'analyse de la dynamique de l'occupation du sol à partir d'une utilisation couplée d'un modèle de Markov et d'un automate cellulaire. Cas du département de Sinfra (centre-ouest de la Côte d'Ivoi". Revue Française de Photogrammétrie et de Télédétection, n.º 204 (8 de abril de 2014): 23–42. http://dx.doi.org/10.52638/rfpt.2013.19.
Texto completoMouzouri, Mounia, Zoulikha Irzi y Abdelhak Essaddek. "Utilisation d'imagerie satellitaire et d'un Modèle Numérique d'Altitude pour la cartographie des zones à risque d'inondation sur le littoral méditerranéen de Saïdia (Nord-est du Maroc)". Revue Française de Photogrammétrie et de Télédétection, n.º 201 (16 de abril de 2014): 49–63. http://dx.doi.org/10.52638/rfpt.2013.45.
Texto completoBelhadi, Abdelkader, Setti Righi y Tayeb Si Tayeb. "Utilisation de la télédétection pour la cartographie de l’occupation du sol : cas des monts de Beni-Chougrane (Mascara-Algerie Nord Occidentale)". Mediterránea. Serie de Estudios Biológicos, n.º 24 (2013). http://dx.doi.org/10.14198/mdtrra2013.24.02.
Texto completoTesis sobre el tema "Utilisation du sol – Télédétection – Amazonie"
De, Almeida Claudio Aparecido. "Paysage des systèmes de production agropastoraux de l'État du Rondônia - Amazonie brésilienne". Thesis, Montpellier, 2016. http://www.theses.fr/2016MONTT123/document.
Texto completoRecent global agreements sponsored by UN to sustainable development and reduction of greenhouse gases emission, undergo by the reduction of deforestation and an increase of productivity of the areas occupied by agricultural production systems. In 2014 the Brazilian Amazon deforestation reached 760.305,5 km2. This area has different land uses with different financial and social returns and different environmental impacts. To know the land use and land cover (LULC) and the predominant production systems in this deforested area is a basic condition for planning actions and public policies for sustainable development. This study developed methodologies for detailed LULC mapping, and to regionalization of agricultural production systems. The mapping of LULC of Brazilian Amazon confirmed previous studies, showing that most of the deforested area is used for livestock activity (about 60%), followed by secondary vegetation (about 20%) and annual crops (about 5%). Regionalization of agricultural production systems was carried out in two stages. The first one was carried out at local administrative boundary, using spatially explicit data of LULC and deforestation, analyzed in conjunction with municipal socioeconomic data spatialized at local level. Based on these results we identified, among five agricultural production systems at the state level. The dimension of territorial configuration showed that each agricultural production system form different types of landscapes. The second stage was conduced with cells of 10 X 10 Km, with LULC spatially explicit data, deforestation and a matrix of distance to infrastructure elements, and using landscape metrics. Was possible to classify the predominant agricultural production system in each cell, and identify the effect of these systems on the landscape. Nine agricultural production systems were found: two in forest domains (Forest Domain, Initial Front), three in agriculture domain (Strict Agriculture, Dominant Agriculture and Coexistence Area) and four in livestock domain (Intensified Beef, Not Intensified Beef, Intensified Beef-Milk and Not Intensified Beef-Milk). The methodologies resulted from this thesis will enable the creation of an operational monitoring system of LULC, continuous and at low cost, and also of the prevailing agricultural production system in each of the deforested territory. With this monitoring system, it will be possible to follow up the effect of public policies in the region, looking for sustainable development
Gutierrez, Cori Omar. "Relationship and feedback between LULC changes and hydroclimatic variability in Amazonia". Electronic Thesis or Diss., Sorbonne université, 2024. http://www.theses.fr/2024SORUS123.
Texto completoThe Amazon rainforest plays a vital role by functioning as a regulator of the climate system and as the main terrestrial carbon sink. It drives hydroclimatic processes and mitigates the effects of droughts through vegetation-atmosphere coupling. Indeed, Amazon forests have the potential to impact rainfall patterns through biophysical processes like water recycling. However, these capacities have been reduced during the last decades due to disturbances in the climate-vegetation system together with the intensification of droughts. All this has accentuated a process of biophysical transition from a predominantly forested ecosystem to a Savanna. Therefore, given these complexities, understanding the direction of changes is of vital importance.Using multiple datasets and the coupled ORCHIDEE and LMDZ models, this thesis delves into the study of the interactions between Amazon hydroclimatology and vegetation. In addition, it seeks to expand our understanding of modifications in the vegetation-atmosphere system and its links with climate and LULC changes. Likewise, taking into account the increasing rates of deforestation, it investigates the effects and feedback resulting from a large-scale forest loss scenario on hydrological processes.The results show that, over the southwestern Amazon, forests undergo a transition from being influenced by energy availability to depending on water availability throughout the year. During the rainy season, vegetation growth is primarily influenced by energy availability rather than water availability. Nevertheless, outside of this period, forests respond positively to precipitation and terrestrial water storage, suggesting that vegetation is primarily dependent on water supply. However, a spatial analysis reveals that recent deforestation modifies these transitions and destabilizes the natural balance in the climate-vegetation system.The nature of these imbalances in the Amazon is not entirely clarified. Through an approach based on the relationships of water/energy fluxes and vegetation conditions over the last four decades, it is explored whether these changes are intrinsic to climate variability or are driven by anthropogenic processes. 67% of the southwestern Amazon has experienced a transition towards a predominantly dry state due to climatic factors (external forcing), while 21% has transitioned towards a state dominated by deforestation (internal forcing). However, external and internal forcings are not independent processes, as both mechanisms drive changes simultaneously. By weighing the magnitudes of these forcings, we show that the synergies have led 74% of the southwestern Amazon toward a state of greater water stress. Nevertheless, during recent years, although combined external-internal processes continue to exert significant control over changes, 30% of these are strictly dominated by internal forcing. This suggests that internal processes are playing an increasingly relevant role in the transition towards a state characterized by high forest water stress, especially in areas where deforestation and anthropogenic pressure are increasing.Using the coupled ORCHIDEE and LMDZ models, the effects of projected Amazon deforestation by 2050 on the hydrological cycle and dryness are examined. Deforestation decreases precipitation, reduces evapotranspiration and increases runoff. Furthermore, deforestation accentuates water stress especially in the southwestern Amazon (positive feedback). Water demands in the atmosphere, on the land surface and even in the soil root zone intensify during the dry season. During the wet season, the deficit of specific atmospheric humidity becomes even more acute towards the tropical Andes over the Altiplano region. These findings provide a more thorough understanding of the possible effects of massive forest removal on the water availability and resilience of the Amazon in a context where changes are occurring at an accelerated rate
Largouët, Christine. "Aide à l'interprétation d'une séquence d'images par la modélisation de l'évolution du système observé : application à la reconnaissance de l'occupation du sol". Rennes 1, 2000. http://www.theses.fr/2000REN10099.
Texto completoLenormand-Bon, Véronique. "Hommes et mangroves du littoral du Pará (Amazonie Brésilienne)". Bordeaux 3, 2008. http://www.theses.fr/2008BOR30080.
Texto completoOn the ria coastline of the Pará state, in Brazilian Amazonia, we find a succession of mangroves, beaches and sand-dunes. The mangroves there constitute a true coastal forest, covering nearly 2000 km². This interface, marked by its blurred limits, woks simultaneously as a barrier against human systematic penetration and settlement, and as a means of subsistence for the local populations fishing and collecting crustaceans and molluscs. This area, because it is part of the coastal region, more densely populated than the reste of the state, muste endure the changes involved by modernization and growing exchanges. In our study of the coastline as a system, with its immense diversity in terms of men’s working activities or integration within the regional space, we will focus on the question of spatial organization. Our subject wil be dealt with from different angles and on diferent scales, so as to find out what elements influence it, including a complex, unique physical environment, closeness to the land or on the contrary to the sea or estuaries, the history of human settlement, and the road infrastructures. The disparities between the various areas tend to increase with modernization, population pressure, human migration and pressure on the natural ressources, which precisely arouses the question of how to manage them in terms of the latter. The organization of the local human societies, their living space and ressources may change according to the conflicts regarding how to use the land, the perturbations of the environment and the socio-economic mutations. Various strategies may be adopted so as to handle, adapt to and finally cope with the latter more or less successfullly
Cotonnec, Adeline. "Paysages et occupation du sol par télédétection : application au bassin versant du Blavet". Rennes 2, 1998. http://www.theses.fr/1998REN20012.
Texto completoAt the present time, some programmes are carried out in Brittany to restore the quality of water. In this context, analysis of the components of the vegetation cover, land cover and landscapes structures that interfere in the hydrological flows requires means and methods that are performing and well adapted to the size of large watersheds. High resolution sensors spot and Landsat TM's potentialities are evaluated in this study to set up methods for mapping land cover, wooded hedges and saturated wetlands at the scale of a large watershed situated in the central Brittany, " le Blavet ". Its size is 2000 km2, and it is characterised with continuous water quality degradation and a high heterogeneity of its landscapes. The methods are first tested and assessed at an experimental scale on the watershed of " Coet-dan " that is 1200 ha large. They point out the effectiveness of landsat tm to extract the linear wooded network and the wetlands on this watershed located in the most intensive part of the entire watershed of the Blavet. The methods are then extrapolated and validated on some sub-watersheds that representative of the mean landscapes units of the watershed of the Blavet. A typology of the hydrological units based on their land cover dominance is suggested from a statistical analysis of land cover data derived from a satellite image. Almost all the wooded hedges and wetlands have been extracted with these methods on the watersheds which are included in open agrarian structures with intensive agricultural practises. The resulting information layers can then been integrated in hydrological models
Trias-Sanz, Roger. "Semi-automatic rural land cover classification from high resolution remote sensing images". Paris 5, 2006. http://www.theses.fr/2006PA05S005.
Texto completoThis thesis presents a complete image analisys system which, from high-resolution 3 or 4-channel digital images (50 cm, colour and optionally near infrared), and using the cadastre database, segments the images into agriculturally-homogeneous regions, (fields, forests, vines, and so on) and classifies these regions, tagging each classified region with a confidence measure which indicates the system's confidence in each classification. It includes a study of the value of texture features and transformed colour spaces for segmentation and classification, two methods for registering a graph onto an image, a novel probability model and associated per-region classification algorithms, and a high precision period and orientation estimator
Pereira, de Lima Ricardo Angelo. "Antropizacion, dinámicas de ocupación del territorio y desarrollo en la Amazonía Brasileña : el caso del estado de Amapá". Toulouse 2, 2003. http://www.theses.fr/2003TOU20112.
Texto completoAs most of tropical forest, world summits on environment and development programs have put the Amazonian region at the forefront of international efforts to ensure environmental protection of the planet. In these programs, Amazonia is traditionally no more than a merely world biogenetic heritage area or o carbon sequestration park, but new strategies of regional development attempt to combine growth and protection/conservation, as it occurs specifically in the Brazilian state of Amapá. In this way, the dissertation aims to give an updated account of the dynamics of land occupation and of the concentration of landed property, as well of the subsequent environmental and social changes witch have occurred during the last 30 years in the state of Amapá
Godard, Vincent. "Utilisation conjointe de la télédétection et de l'enquête de terrain lors des inventaires d'occupation du sol : recherche méthodologique appliquée au Sahel sud-mauritanien". Paris, EHESS, 1991. https://tel.archives-ouvertes.fr/tel-01024191.
Texto completoThis research shows usefulness of satellite imagery as a ground survey and sample base. After having justified the choice of an unaligned systematic sampling scheme to collect ground data, we describe some of the used tools to determine the number, size and space between sample units. At last, by using remote sensing and area frame sampling (spatial sampling) it has been possible to improve the accuracy of surface estimation. The relative accuracy (coefficient of variation) has increased from 46 per cent without remote sensing to 87 per cent with remote sensing. Examples have been taken from south mauritanian sahel in pastoral, agropastoral and oasis zones
Laffly, Dominique. "Évolutions et potentiels de l'espace comtois : recherche de méthodes par la télédétection". Besançon, 1995. http://www.theses.fr/1995BESA1003.
Texto completoRemote sensing is a privilegied tool of the earth observation with the image's coverage, repetitivity of datas acquisition, the pixel's spectral and spatial resolution. We present in a first time an abstract of the most important radiometric and geometric operations with originals datas. After that, we developpe an example of comparison between may 1975 (mss datas) and july 1988 (tm datas) on the franche-comte area. Two ways are selected. The first one consists of a global observation of the evolution with the help of hierarchical step of spatial agregation. The second one concerns local landscpte modification and we propose a new method fonded on spatial resampling of datas and multiple factorial correspondances analysis. In a third part, we propose an other approach of remote sensing with an ecological problem about the area of "grand tetras" (tetrao urogallus). We developpe a texture filter to recognise the areas on a spot panchromatic image. The analyse needs more information and we use at the end a gis to combine datas about vegetable's physionomy and composition (spot p and xs), topographic model and a representation of human's pressure with an empiric model of noise diffusion
Vallette, Anne. "Les formes spatiales du développement urbain en Chine : l'apport de la télédetection (villes de Suzhou et Wuxi)". Rouen, 2003. http://www.theses.fr/2003ROUEL446.
Texto completoThe hinterland of Shanghai is the field of a strong urban development since the eighties. The studied area is located along the shore of the Tai lake, between the cities of Suzhou and Wuxi. The study is based mainly on the SPOT satellite imagery, sustained by field inquiries. The tests have been applied to the Suzhou area, which includes the greater variety of differentiated neighbourhoods : old city, commercial streets and CBD, renovated neighbourhoods, Chinese gardens, blocks of flats, old industrial districts, new development parks of technology and industry, gated communities. Several possible treatments of the remote sensing images for the study of the transformations of the urban land use have been investigated : filters, neo-canals, supervised and unsupervised classifications. Due to the results obtained, the maximum likelihood classification has been applied to the whole studied area and has allowed, in addition with photo-interpretation techniques, the cartography of the land use. Two different types of urban extension have been made obvious : a development of heavy industries along the Great Canal, and an establishment of the CBD in the old city, in Wuxi, whereas the old city has been preserved in Suzhou, together with a specification of the neighbourhoods according to sectors, and the development of new commercial poles. Along the shore of the lake the diachronic analysis shows the creation of vacation resorts, thematic leisure parks, cemeteries and an extension of aquaculture, together with the pollution of the water
Libros sobre el tema "Utilisation du sol – Télédétection – Amazonie"
Létourneau, Guy. Utilisation riveraine des sols de Cornwall à Tadoussac. Montréal, Qué: Centre Saint-Laurent, Conservation de l'environnement, Environnement Canada, 1996.
Buscar texto completoHiley, J. A comparison of estimates of agricultural land use using satellite imagery and the census of agriculture inventories. Edmonton, Alta: Centre for Land and Biological Resources Research, Research Branch, Agriculture and Agri-Food Canada, 1995.
Buscar texto completoQihao, Weng y Quattrochi Dale A, eds. Urban remote sensing. Boca Raton: CRC Press, 2007.
Buscar texto completoM, Liverman Diana y National Research Council (U.S.) Committee on the Human Dimensions of Global Change., eds. People and pixels: Linking remote sensing and social science. Washington, D.C: National Academy Press, 1998.
Buscar texto completoRemote Sensing of Land Use and Land Cover: Principles and Applications. CRC, 2009.
Buscar texto completoGiri, Chandra P. Remote Sensing of Land Use and Land Cover: Principles and Applications. Taylor & Francis Group, 2020.
Buscar texto completoGiri, Chandra P. Remote Sensing of Land Use and Land Cover: Principles and Applications. Taylor & Francis Group, 2016.
Buscar texto completoGodard, Vincent. Utilisation conjointe de la télédétection et de l'enquête de terrain lors des inventaires d'occupation du sol: Recherche méthodologie appliquée au Sahel sud-mauritanien. 1991.
Buscar texto completoMediterranean Land Cover Change: Modelling and Monitoring Natural Vegetation Using GIS and Remote Sensing (Netherlands Geographical Studies, 333). Koninklijk Nederlands Aardrijkskundig Genootschap, Universiteit Utrecht, 2005.
Buscar texto completoPu, Ruiliang. Hyperspectral Remote Sensing: Fundamentals and Practices. Taylor & Francis Group, 2017.
Buscar texto completoCapítulos de libros sobre el tema "Utilisation du sol – Télédétection – Amazonie"
Polidori, Laurent, Jean-Marie Fotsing y Jean-François Orru. "Annexe 15. Déforestation et orpaillage : apport de la télédétection pour la surveillance de l’occupation du sol en Guyane française". En Le mercure en Amazonie, 473–94. IRD Éditions, 2001. http://dx.doi.org/10.4000/books.irdeditions.2547.
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