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Balkema (August Aimé)
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A numerical analysis of the accuracy of laboratory and field goniometer measurements / N. Widen (2001)
Titre : A numerical analysis of the accuracy of laboratory and field goniometer measurements Type de document : Article/Communication Auteurs : N. Widen, Auteur ; Risto Kuittinen, Auteur Editeur : Lisse et Amsterdam : Balkema (August Aimé) Année de publication : 2001 Conférence : EARSeL 2001, 21st international symposium, Observing our environment from space : news solutions for a new millennium 14/05/2001 16/05/2001 Paris France Importance : pp 169 - 173 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s)
[Termes IGN] analyse numérique
[Termes IGN] goniomètre
[Termes IGN] mesurage d'angles
[Termes IGN] précision des mesures
[Termes IGN] réflectanceRésumé : (Auteur) This paper presents a numerical method for estimating the accuracy of field and laboratory measurements of bidirectional reflectance. After a detailed analysis of the measuring instrument and data acquisition process, the variables which determine the accuracy of the output are identified, and different techniques for laboratory and field spectrometry are compared. The results of the analysis show how both the measuring instrument itself, and the measuring technique in field experiments determine the accuracy of experimental data. Numéro de notice : C2001-019 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Communication DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=64927 Relationship between drought indicators based on remote sensing and forest fires incidence in Spain / Águeda Vázquez (2001)
Titre : Relationship between drought indicators based on remote sensing and forest fires incidence in Spain Type de document : Article/Communication Auteurs : Águeda Vázquez, Auteur ; F. Gonzalez-Alonso, Auteur ; J.M. Cuevas Gozalo, Auteur ; A. Calle, Auteur ; José Luis Casanova, Auteur Editeur : Lisse et Amsterdam : Balkema (August Aimé) Année de publication : 2001 Conférence : EARSeL 2001, 21st international symposium, Observing our environment from space : news solutions for a new millennium 14/05/2001 16/05/2001 Paris France Importance : pp 111 - 115 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes IGN] Baléares, îles
[Termes IGN] Espagne
[Termes IGN] image NOAA-AVHRR
[Termes IGN] incendie de forêt
[Termes IGN] indice de végétation
[Termes IGN] lutte contre l'incendie
[Termes IGN] Normalized Difference Vegetation Index
[Termes IGN] risque naturelRésumé : (Auteur) In this communication, we combine different products obtained from the NOAAAVHRR sensor in order to evaluate the relationships between the anomalies in the NDVI in peninsular Spain and the Balearic islands during the four summer months of the year 2000 and the active "hot spots" detected in the same time period and available in the World Fire Web. The analysis is carried out using the relative proportions of pixels affected and not affected by fire in the several anomaly classes defined for the whole study area and additionally for the different Autonomous Communities. Our starting hypothesis is that forest fires are registered in higher proportions in the negative anomaly classes, that is, with NDVI values lower than the mean for a reference period. The results obtained present a great agreement with this hypothesis, in such a way that the relative proportion of pixels affected by fire is greater in the negative anomaly classes. Numéro de notice : C2001-026 Affiliation des auteurs : non IGN Thématique : FORET/IMAGERIE Nature : Communication DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=64934 Satellite data for air pollution mapping over a city - virtual stations / A. Ung (2001)
Titre : Satellite data for air pollution mapping over a city - virtual stations Type de document : Article/Communication Auteurs : A. Ung, Auteur ; Lucien Wald, Auteur ; Thierry Ranchin, Auteur ; Christiane Weber, Auteur ; Jacky Hirsch, Auteur ; G. Perron, Auteur ; J. Kleinpeter, Auteur Editeur : Lisse et Amsterdam : Balkema (August Aimé) Année de publication : 2001 Conférence : EARSeL 2001, 21st international symposium, Observing our environment from space : news solutions for a new millennium 14/05/2001 16/05/2001 Paris France Importance : pp 147 - 151 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes IGN] carte thématique
[Termes IGN] distribution spatiale
[Termes IGN] données multisources
[Termes IGN] image Landsat
[Termes IGN] milieu urbain
[Termes IGN] polluant
[Termes IGN] pollution atmosphérique
[Termes IGN] qualité de l'air
[Termes IGN] villeRésumé : (Auteur) Atmospheric pollution becomes a critical factor of anticipated deaths, which concerns ambient air quality as well as air quality in houses and places of work. For the well being of human and for the population information, we need to evaluate the actual exposure of persons to ambient pollution. One way to perform it is to evaluate the space time budget of air pollution exposition. Hence an information on the spatial distribution of pollutant concentrations is required. Several tools exist ; most of them provide maps of pollutant concentrations but over a regional scale with a grid of 1 km, which is insufficient. Measuring stations scarcely distributed in the city, provide a complete surveillance but their costs limit the knowledge of pollutant concentration to specific points of the city. To overcome this problem, several notions are defined : "identity card of a measuring station", "pseudostation" and "virtual station". Based on a multi-sources approach, this paper presents a methodology using remotely sensed data for the mapping of pollutant concentrations over a city. Numéro de notice : C2001-038 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Communication DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=64946 Seismotectonic activity in dinaric alps based on satellite data and geophysical survey / M. Oluic (2001)
Titre : Seismotectonic activity in dinaric alps based on satellite data and geophysical survey Type de document : Article/Communication Auteurs : M. Oluic, Auteur ; D. Cvijanovic, Auteur ; S. Romandic, Auteur Editeur : Lisse et Amsterdam : Balkema (August Aimé) Année de publication : 2001 Conférence : EARSeL 2001, 21st international symposium, Observing our environment from space : news solutions for a new millennium 14/05/2001 16/05/2001 Paris France Importance : pp 265 - 271 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes IGN] Alpes
[Termes IGN] carte sismologique
[Termes IGN] Croatie
[Termes IGN] faille géologique
[Termes IGN] image Landsat-TM
[Termes IGN] risque naturel
[Termes IGN] séismeRésumé : (Auteur) The area of Dinaric Alps (Dinarides) has been analysed on Landsat TM images. Many of the faults have been registered and categorised into three classes: 1st > 50 km in length, 2nd 10 - 50 km and 3rd < 10 km. The majority of the determined faults are from the neotectonic age and they have special significance for seismotectonic activities. The region mentioned has been geophysically researched (deep geoelectric, geomagnetic, gravity), too. Based on both kinds of data, the tectonic complex of the investigated area has been interpreted. The epicentres of stronger earthquakes occurring and registered during the last two centuries have been drawn into the tectonic map. The epicentres of the earthquakes appeared mostly in the tectonically active zones, so it was possible to separate the potential, seismic areas. Numéro de notice : C2001-033 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Communication DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=64941 Space surveillance of epidemics: case of the Rift Valley fever / P. Sabatier (2001)
Titre : Space surveillance of epidemics: case of the Rift Valley fever Type de document : Article/Communication Auteurs : P. Sabatier, Auteur ; M.A. Dubois, Auteur ; R. Lancelot, Auteur ; P. Hendrickx, Auteur ; J.P. Lacaux, Auteur Editeur : Lisse et Amsterdam : Balkema (August Aimé) Année de publication : 2001 Conférence : EARSeL 2001, 21st international symposium, Observing our environment from space : news solutions for a new millennium 14/05/2001 16/05/2001 Paris France Importance : pp 317 - 323 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes IGN] épidémie
[Termes IGN] maladie virale
[Termes IGN] prédiction
[Termes IGN] surveillance sanitaireRésumé : (Auteur) The unexpected appearance of new infectious diseases, often of zoonotic origin, is a surprising phenomenon at the end of the beginning of the third millennium (TAYLOR, L.H. & WOOLHOUSE M.E.J. 2000). To trigger off epidemics, and not only to entail sporadic forms, these new agents require amplification effects linked to natural or artificial changes in the environment. This project, CNES sponsored, develops a predictive model using remote sensing data for monitoring a vectorborn disease. The study is based on a thorough modelling of the epidemic process of a zoonotic haemorrhagic fever (Rift Valley Fever, RV17); in a Sahelian area (basin of the Senegal River). The preliminary results of the space modelling: (i) express the periodicity of the outbreaks; and (H) display the change of the space behaviour of RVF epidemics when the infection, or transmission probability, rises above a threshold for bond percolation on the network. An increase in the number of moving populations causes faster spreading by increasing the number of vertices in the graph's largest connected component. This integrative approach of the S2E consortium ("Space Surveillance of Epidemics") will open a new field for early warning epidemiological systems, able to alert on and to predict the geographical extension of diseases. Numéro de notice : C2001-021 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Communication DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=64929 Space technologies for flood risk management: from images to products and services / T. Rabaute (2001)PermalinkThe devastation of Venezuela by heavy rains in December 1999: disaster monitoring and evaluation of damages using ERS InSAR tandem data and SPOT images / E. Nezry (2001)PermalinkUse of satellite images in researching the impacts of forest fires, a case study Gallipoli national park / Nebiye Musaoglu (2001)PermalinkUsing satellite data for land use change detection: a case study for Terkos water basin, Istanbul / C. Goksel (2001)PermalinkRemote sensing in the 21st century : economic and environmental applications / José Luis Casanova (2000)PermalinkAdvanced polarimetric SAR data classification for cartographic information extraction / Manfred F. Buchroithner (31/05/1999)PermalinkAn operational system for the forest fire risk assessment by means of NOAA images / A. Calle (31/05/1999)PermalinkAnalysis of the environment factors in forest wildfires in Aznalcollar and Sierra Bermeja / A.S. Redondo (31/05/1999)PermalinkAutomatic mapping of large scale forest fires in Spain using Landsat-TM images / E. Quintano (31/05/1999)PermalinkBuilding-up a burned area monitoring system based on Earth observation data / J.U. Paul (31/05/1999)Permalink