Descripteur
Documents disponibles dans cette catégorie (2946)
Ajouter le résultat dans votre panier
Visionner les documents numériques
Affiner la recherche Interroger des sources externes
Etendre la recherche sur niveau(x) vers le bas
Mapping an invasive plant, Phragmites australis [roseau], in coastal wetlands using the EO-1 Hyperion hyperspectral sensor / B.W. Pengra in Remote sensing of environment, vol 108 n° 1 (15/05/2007)
[article]
Titre : Mapping an invasive plant, Phragmites australis [roseau], in coastal wetlands using the EO-1 Hyperion hyperspectral sensor Type de document : Article/Communication Auteurs : B.W. Pengra, Auteur ; C.A. Johnston, Auteur ; T.R. Loveland, Auteur Année de publication : 2007 Article en page(s) : pp 74 - 81 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes IGN] carte thématique
[Termes IGN] espèce exotique envahissante
[Termes IGN] Grands Lacs
[Termes IGN] image EO1-Hyperion
[Termes IGN] image hyperspectrale
[Termes IGN] marais
[Termes IGN] phytogéographie
[Termes IGN] plante aquatique d'eau salée
[Termes IGN] répartition géographique
[Termes IGN] Wisconsin (Etats-Unis)Résumé : (Auteur) Mapping tools are needed to document the location and extent of Phragmites australis, a tall grass that invades coastal marshes throughout North America, displacing native plant species and degrading wetland habitat. Mapping Phragmites is particularly challenging in the freshwater Great Lakes coastal wetlands due to dynamic lake levels and vegetation diversity. We tested the applicability of Hyperion hyperspectral satellite imagery for mapping Phragmites in wetlands of the west coast of Green Bay in Wisconsin, U.S.A. A reference spectrum created using Hyperion data from several pure Phragmites stands within the image was used with a Spectral Correlation Mapper (SCM) algorithm to create a raster map with values ranging from 0 to 1, where 0 represented the greatest similarity between the reference spectrum and the image spectrum and 1 the least similarity. The final two-class thematic classification predicted monodominant Phragmites covering 3.4% of the study area. Most of this was concentrated in long linear features parallel to the Green Bay shoreline, particularly in areas that had been under water only six years earlier when lake levels were 66 cm higher. An error matrix using spring 2005 field validation points (n = 129) showed good overall accuracy—81.4%. The small size and linear arrangement of Phragmites stands was less than optimal relative to the sensor resolution, and Hyperion's 30 m resolution captured few if any pure pixels. Contemporary Phragmites maps prepared with Hyperion imagery would provide wetland managers with a tool that they currently lack, which could aid attempts to stem the spread of this invasive species. Copyright Elsevier Numéro de notice : A2007-217 Affiliation des auteurs : non IGN Thématique : FORET/IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.rse.2006.11.002 En ligne : https://doi.org/10.1016/j.rse.2006.11.002 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28580
in Remote sensing of environment > vol 108 n° 1 (15/05/2007) . - pp 74 - 81[article]The EU-Cloudmap project: cirrus and contrail cloud-top maps from satellites for weather forecasting climate change analysis / J.P. Muller in International Journal of Remote Sensing IJRS, vol 28 n° 9 (May 2007)
[article]
Titre : The EU-Cloudmap project: cirrus and contrail cloud-top maps from satellites for weather forecasting climate change analysis Type de document : Article/Communication Auteurs : J.P. Muller, Auteur ; J. Fischer, Auteur Année de publication : 2007 Article en page(s) : pp 1915 - 1919 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes IGN] atmosphère terrestre
[Termes IGN] changement climatique
[Termes IGN] image NOAA-AVHRR
[Termes IGN] mission spatiale
[Termes IGN] nuage
[Termes IGN] prévision météorologique
[Termes IGN] température de surfaceRésumé : (Auteur) (Introduction de l'article) The EU-CLOUD MAP project took place between 1997-2000 as a collaboration between five university and government research groups in the UK, Germany, the Netherlands and Switzerland. The original scientific motivation of the EU-CLOUDMAP Project was to improve the measurement and characterization of cirrus and contrail clouds could properties. IPCC (Penner et al. 199) demonstrated that contrail clouds could play a small but significant role in changing the radiative balance of the atmosphere based on work one of the CLOUDMAP partners (DLR) using AVHRR data over Europe. However, the scope was broadened to include properties of cloud at all altitudes as (Cess et al. 1993) had shown that depending on how cloud processes are parameterised can lead to an order of magnitude difference of surface temperature due to changes in CO2 radiative forcing. This error is by far largest uncertainty in making accurate forecasts of global warming. [...] Copyright Taylor & Francis Numéro de notice : A2007-276 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/01431160600641913 En ligne : https://doi.org/10.1080/01431160600641913 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28639
in International Journal of Remote Sensing IJRS > vol 28 n° 9 (May 2007) . - pp 1915 - 1919[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 080-07051 RAB Revue Centre de documentation En réserve L003 Exclu du prêt Estimating spatial patterns of rainfall interception from remotely sensed vegetation indices and spectral mixture analysis / S.M. de Jong in International journal of geographical information science IJGIS, vol 21 n° 5 (may 2007)
[article]
Titre : Estimating spatial patterns of rainfall interception from remotely sensed vegetation indices and spectral mixture analysis Type de document : Article/Communication Auteurs : S.M. de Jong, Auteur ; V.G. Jetten, Auteur Année de publication : 2007 Article en page(s) : pp 529 - 545 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes IGN] analyse des mélanges spectraux
[Termes IGN] érosion hydrique
[Termes IGN] évapotranspiration
[Termes IGN] image HYMAP
[Termes IGN] image hyperspectrale
[Termes IGN] indice de végétation
[Termes IGN] Leaf Area Index
[Termes IGN] pluie
[Termes IGN] ruissellementRésumé : (Auteur) Rainfall interception by vegetation is an important factor in the water balance. Consequently, rainfall interception should also be an important factor in models simulating processes such as evaporation, transpiration, surface runoff, soil erosion, and crop growth. In practice, however, it is difficult to make quantitative assessments of the spatial and temporal distribution of rainfall interception loss at the catchment level, for instance, and to make these values available as model input. In this paper, we present a novel method using earth observation images to estimate local quantitative values of rainfall interception loss. Leaf Area Index (LAI) and fractional vegetation cover per grid cell are important process variables for rainfall interception. These two variables are estimated from images using spectral vegetation indices and using spectral mixture analysis, respectively. Relations between canopy storage capacity and LAI exist for several plant species and vegetation types, but limited data are found on crops, and more research is needed in this field. The new method is explained and illustrated for a study area in southern France with a variety of land-cover types. It is found to be a valuable and practical approach to quantitatively assess spatial patterns of interception loss for given rainfall events. Copyright Taylor & Francis Numéro de notice : A2007-135 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.1080/13658810601064884 En ligne : https://doi.org/10.1080/13658810601064884 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28498
in International journal of geographical information science IJGIS > vol 21 n° 5 (may 2007) . - pp 529 - 545[article]Exemplaires(2)
Code-barres Cote Support Localisation Section Disponibilité 079-07031 RAB Revue Centre de documentation En réserve L003 Disponible 079-07032 RAB Revue Centre de documentation En réserve L003 Disponible Flood response / A. Melihen in GEO: Geoconnexion international, vol 6 n° 5 (may 2007)
[article]
Titre : Flood response Type de document : Article/Communication Auteurs : A. Melihen, Auteur Année de publication : 2007 Article en page(s) : pp 25 - 27 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes IGN] cours d'eau
[Termes IGN] dommage matériel
[Termes IGN] gestion de crise
[Termes IGN] GPS-INS
[Termes IGN] image aérienne
[Termes IGN] inondation
[Termes IGN] instrumentation Applanix
[Termes IGN] risque naturel
[Termes IGN] zone inondableRésumé : (Editeur) Anthony Melihen provides a summary of rapid response airborne remote sensing for flood relief, a continuing and growing problem in Europe and elsewhere. Copyright Geo:Geoconnexion Numéro de notice : A2007-207 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28570
in GEO: Geoconnexion international > vol 6 n° 5 (may 2007) . - pp 25 - 27[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 062-07051 RAB Revue Centre de documentation En réserve L003 Disponible GMES, Global Monitoring for Environment and Security: the second European flagship in space / V. Liebig in ESA bulletin, n° 130 (May 2007)
[article]
Titre : GMES, Global Monitoring for Environment and Security: the second European flagship in space Type de document : Article/Communication Auteurs : V. Liebig, Auteur ; J. Aschbacher, Auteur ; S. Briggs, Auteur ; et al., Auteur Année de publication : 2007 Article en page(s) : pp 11 - 16 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes IGN] Copernicus (programme européen)
[Termes IGN] image Envisat
[Termes IGN] image Sentinel
[Termes IGN] protection de l'environnement
[Termes IGN] risque environnementalRésumé : (Auteur) Society and politicians are demanding operational information services in order to manage our planet's environment, understand and mitigate the effects of climate change, and ensure civil security for Europe's citizens. GMES can respond to these challenges by providing accurate, up-to-date and globally available information on an operational basis to European, national, regional and local entities. Important decisions are expected in the next two years on the future of GMES, including finalisation of the funding scheme for developing the infrastructure, and progress in setting up its long-term governance and funding. ESA's responsibility is to provide the GMES satellites, which includes developing a dedicated space infrastructure and coordinating the space contributions from all the partners. Numéro de notice : A2007-274 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : sans En ligne : http://www.esa.int/esapub/bulletin/bulletin130/bul130a_liebig.pdf Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28637
in ESA bulletin > n° 130 (May 2007) . - pp 11 - 16[article]Modelling and mapping potential hooded warbler (Wilsonia citrina) habitat using remotely sensed imagery / J. Pasher in Remote sensing of environment, vol 107 n° 3 (12 April 2007)PermalinkSpot 5 pour la détection d'urbanisation / V. Lacroix in Bulletin des sciences géographiques, n° 19 (avril 2007)PermalinkStratégies de concertation : la méthode 3D-GVA (Bulletin de Traits urbains) / Jacques AudouinPermalinkA data-mining approach to associating MISR smoke plume heights with MODIS fire measurements / D. Mazzoni in Remote sensing of environment, vol 107 n° 1-2 (15 March 2007)PermalinkApport de l'imagerie radar à l'étude des dynamiques pluvieuses sur le massif central / F. Jubertie in Photo interprétation, vol 43 n° 1 (Mars 2007)PermalinkLUCC impact on sediment loads in sub-tropical rainy areas / X. Chen in Photogrammetric Engineering & Remote Sensing, PERS, vol 73 n° 3 (March 2007)PermalinkPlants manquants dans des cultures : Un algorithme de localisation à partir d'image à très haute résolution spatiale / Jean-Christophe Foltête in Revue internationale de géomatique, vol 17 n° 1 (mars – mai 2007)PermalinkPotentiel des radars satellitaires embarqués sur Envisat et ERS pour le suivi et la cartographie de la dynamique côtière au large de Kourou (Guyane française) / J. Kouame in Photo interprétation, vol 43 n° 1 (Mars 2007)PermalinkRetrieval of suspended sediment from advanced hyperspectral sensor data in the Scheldt estuary at different stages in the tidal cycle / S. Sterckx in Marine geodesy, vol 30 n° 1-2 (March - June 2007)PermalinkRTE [Réseau Terre et Espace] : les satellites font leurs preuves / Françoise de Blomac in SIG la lettre, n° 85 (mars 2007)PermalinkSpace analysis and the detection of the changes for the follow-up of the components sand-vegetation in the area of Mecheria, Algeria / I. Haddouch in Revue Française de Photogrammétrie et de Télédétection, n° 185 (Mars 2007)PermalinkSpectral analysis of coastal vegetation and land cover using AISA+ hyperspectral data / R. Jensen in Geocarto international, vol 22 n° 1 (March - May 2007)PermalinkStudy of rain events over the South China Sea by synergistic use of multi-sensor satellite and ground-based meteorological data / W. Alpers in Photogrammetric Engineering & Remote Sensing, PERS, vol 73 n° 3 (March 2007)PermalinkTerrestrial and submerged aquatic vegetation mapping in Fire Island national seashore using high spatial resolution remote sensing data / Y. Wang in Marine geodesy, vol 30 n° 1-2 (March - June 2007)PermalinkAnalysis of process variance in remote sensing applications / M. Matur in GIS development, vol 11 n° 2 (February 2007)PermalinkRegional products for the Baltic Sea using MERIS data / H. Krawczyk in International Journal of Remote Sensing IJRS, vol 28 n°3-4 (February 2007)PermalinkValidation of MERIS Level-2 products in the Baltic Sea, the Namibian coastal area and the Atlantic Ocean / T. Ohde in International Journal of Remote Sensing IJRS, vol 28 n°3-4 (February 2007)PermalinkEvaluating NDVI-based emissivities of MODIS bands 31 and 32 using emissivities derived by day/night LST algorithm / M. Momeni in Remote sensing of environment, vol 106 n° 2 (30/01/2007)PermalinkReflectance seasonality and its relation to the canopy leaf area index in an eastern Siberian larch forest: Multi-satellite data and radiative transfer analyses / H. Kobayashi in Remote sensing of environment, vol 106 n° 2 (30/01/2007)PermalinkClassification of biodiversity in Doi Inthanon national parc / H. Draux (2007)Permalink