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Titre : Accuracy of GNSS methods Type de document : Monographie Auteurs : D. Uğur Şanli, Editeur scientifique Editeur : London [UK] : IntechOpen Année de publication : 2019 Importance : 150 p. Format : 19 x 27 cm ISBN/ISSN/EAN : 978-1-78984-926-4 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Navigation et positionnement
[Termes descripteurs IGN] données GNSS
[Termes descripteurs IGN] Global Navigation Satellite System
[Termes descripteurs IGN] instrumentation GNSS
[Termes descripteurs IGN] international GPS service for geodynamics
[Termes descripteurs IGN] positionnement par GNSS
[Termes descripteurs IGN] positionnement ponctuel précis
[Termes descripteurs IGN] précision du positionnement
[Termes descripteurs IGN] teneur totale en électronsRésumé : (éditeur) Following the GPS, new GNSS techniques are emerging today. Various surveying and processing methods are available for the analysis of GNSS data. Equipment and software are also varied. The orbit quality, controlled by the system designer, and the IGS are continuously improved. The user is mainly interested in the quality of position and of the deformation rates produced by the GNSS. Hence, research needs to guide the user in terms of selecting the best combination of the available methods and instrumentation to produce the desired accuracy. This book reviews the current available accuracy obtainable using the GNSS methods. In fact, the main aim of this book is to make an impact on young researchers so that they keep updating the accuracy of GNSS for future generations. Note de contenu : 1- Introductory Chapter: The Philosophy Behind the Accuracy Assessment of GNSS Methods
2- Evaluation Methods of Satellite Navigation System Performance
3- Robust GNSS Positioning in Urban Environment
4- GPS Scintillations and Total Electron Content Climatology in the Southern American Sector
5- Evaluation of GNSS Data with Internet Based Services: The Case of HRUH Station
6- Comparative Study of Some Online GNSS Post-Processing Services at Selected Permanent GNSS Sites in Nigeria
7- Development of Recurrent Method with Rotation for Combined Adjustment of Terrestrial Geodetic and GNSS Networks in National Spatial Reference SystemNuméro de notice : 25934 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Monographie En ligne : https://www.intechopen.com/books/accuracy-of-gnss-methods Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=96247
Titre : Advances in environmental monitoring and assessment Type de document : Monographie Auteurs : Suriyanarayanan Sarvajayakesavalu, Editeur scientifique Editeur : London [UK] : IntechOpen Année de publication : 2019 Importance : 108 p. Format : 19 x 27 cm ISBN/ISSN/EAN : 978-1-83881-010-8 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes descripteurs IGN] algue
[Termes descripteurs IGN] apprentissage automatique
[Termes descripteurs IGN] capteur spatial
[Termes descripteurs IGN] changement climatique
[Termes descripteurs IGN] image MODIS
[Termes descripteurs IGN] mangrove
[Termes descripteurs IGN] Multi-Angle Imaging Spectroradiometer
[Termes descripteurs IGN] phénomène climatique extrême
[Termes descripteurs IGN] plancton
[Termes descripteurs IGN] stress hydrique
[Termes descripteurs IGN] surveillance de la végétationRésumé : (éditeur) The book Advances in Environmental Monitoring and Assessment is a collection of the latest research techniques on environmental monitoring and assessments. I believe that the information contained in this book will enhance the skills of environmental scientists and decision makers and contribute to the exchange of best practices for developing and implementing optimum methods for environmental assessment and management. Note de contenu : 1- Hydrological stress and climate change impact in arid regions with agricultural valleys in Northern Mexico
2- Evaluation of water quality indices: Use, evolution and future perspectives
3- A survey of satellite biological sensor application for terrestrial and aquatic ecosystems
4- Atmospheric aerosols monitoring: Ground and satellite-based instruments
5- Extreme value analysis and risk communication for a changing climateNuméro de notice : 25963 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Monographie DOI : 10.5772/intechopen.75847 En ligne : https://doi.org/10.5772/intechopen.75847 Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=96540 Geographic Information Systems in Geospatial Intelligence, ch. 5. Spectral optimization of airborne multispectral camera for land cover classification: automatic feature selection and spectral band clustering / Arnaud Le Bris (2019)
Titre de série : Geographic Information Systems in Geospatial Intelligence, ch. 5 Titre : Spectral optimization of airborne multispectral camera for land cover classification: automatic feature selection and spectral band clustering Type de document : Chapitre/Contribution Auteurs : Arnaud Le Bris Editeur : London [UK] : IntechOpen Année de publication : 2019 Projets : 1-Pas de projet / Importance : 4 p. Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique
[Termes descripteurs IGN] bande spectrale
[Termes descripteurs IGN] carte d'occupation du sol
[Termes descripteurs IGN] classification multibande
[Termes descripteurs IGN] image hyperspectrale
[Termes descripteurs IGN] optimisation (mathématiques)Résumé : (auteur) Hyperspectral imagery consists of hundreds of contiguous spectral bands. However, most of them are redundant. Thus a subset of well-chosen bands is generally sufficient for a specific problem, enabling to design adapted superspectral sensors dedicated to specific land cover classification. Related both to feature selection and extraction, spectral optimization identifies the most relevant band subset for specific applications, involving a band subset relevance score as well as a method to optimize it. This study first focuses on the choice of such relevance score. Several criteria are compared through both quantitative and qualitative analyses. To have a fair comparison, all tested criteria are compared to classic hyperspectral data sets using the same optimization heuristics: an incremental one to assess the impact of the number of selected bands and a stochastic one to obtain several possible good band subsets and to derive band importance measures out of intermediate good band subsets. Last, a specific approach is proposed to cope with the optimization of bandwidth. It consists in building a hierarchy of groups of adjacent bands, according to a score to decide which adjacent bands must be merged, before band selection is performed at the different levels of this hierarchy. Numéro de notice : H2019-008 Affiliation des auteurs : LaSTIG MATIS+Ext (2012-2019) Thématique : IMAGERIE Nature : Chapître / contribution nature-HAL : ChOuvrScient DOI : 10.5772/intechopen.88507 date de publication en ligne : 20/12/2019 En ligne : http://dx.doi.org/10.5772/intechopen.88507 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=95734
Titre : Monitoring of marine pollution Type de document : Monographie Auteurs : Houma Bachari Fouzia, Editeur scientifique Editeur : London [UK] : IntechOpen Année de publication : 2019 Importance : 168 p. Format : 19 x 27 cm ISBN/ISSN/EAN : 978-1-83880-812-9 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes descripteurs IGN] capteur optique
[Termes descripteurs IGN] hydrocarbure
[Termes descripteurs IGN] lutte contre la pollution
[Termes descripteurs IGN] métal lourd
[Termes descripteurs IGN] milieu marin
[Termes descripteurs IGN] pétrole
[Termes descripteurs IGN] pollution des mers
[Termes descripteurs IGN] protection de l'environnement
[Termes descripteurs IGN] surveillance du littoral
[Termes descripteurs IGN] surveillance écologiqueRésumé : (éditeur) Many of the pollutants discharged into the sea are directly or indirectly the result of human activities. Some of these substances are biodegradable, while others are not. This study is devoted to monitoring areas of the environment. Methods assessment is based on monitoring data and an evaluation of the impact of pollution.Surveillance provides a scientific basis for standards development and application. The methodology of marine pollution control is governed by algorithms and models. A monitoring strategy should be put in place, coupled with an environmental assessment concept, through targeted research activities in areas identified at local and regional levels. This concept will make it possible to diagnose the state of "health" of these zones and consequently to correct any anomalies. Monitoring of the marine and coastal environment is based on recent methods and validated after experiments in the field of marine pollution. Note de contenu : 1- Introductory chapter: Marine monitoring pollution
2- Detection and monitoring of marine pollution using remote sensing technologies
3- The hazards of monitoring ecosystem ocean health in the Gulf of Mexico: A Mexican perspective
4- Sediment and organisms as marker for metal pollution
5- Nitrogen and phosphorus eutrophication in marine ecosystems
6- Decadal pollution assessment and monitoring along the Kenya Coast
7- Oil spill dispersion forecasting models
8- Response of benthic foraminifera to environmental variability: Importance of benthic foraminifera in monitoring studiesNuméro de notice : 25968 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Monographie DOI : 10.5772/intechopen.76739 En ligne : https://doi.org/10.5772/intechopen.76739 Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=96590
Titre : Natural hazards Type de document : Monographie Auteurs : John P. Tiefenbacher, Editeur scientifique Editeur : London [UK] : IntechOpen Année de publication : 2019 Importance : 276 p. Format : 19 x 27 cm ISBN/ISSN/EAN : 978-1-78984-086-5 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes descripteurs IGN] barrage
[Termes descripteurs IGN] distribution spatiale
[Termes descripteurs IGN] environnement
[Termes descripteurs IGN] gestion des risques
[Termes descripteurs IGN] inondation
[Termes descripteurs IGN] modèle de simulation
[Termes descripteurs IGN] prévention des risques
[Termes descripteurs IGN] risque naturel
[Termes descripteurs IGN] risque technologique
[Termes descripteurs IGN] sécurité nucléaire
[Termes descripteurs IGN] séisme
[Termes descripteurs IGN] surveillance d'ouvrage
[Termes descripteurs IGN] viaducRésumé : (éditeur) Natural Hazards - Risk, Exposure, Response, and Resilience demonstrates advanced techniques to measure risks, exposures, responses, and solutions to hazards in an array of communities. Eleven original research reports by international scholars on hazard assessment and management are organized into four sections: studies assessing risk using in-depth modeling and technological detection to provide insight into problems associated with earthquakes, torrential rains, and nuclear power plant safety; studies revealing the spatial distributions of exposure and impacts from an assortment of hazards; studies examining human response to increased awareness of the patterns of hazard; and a study demonstrating assessment of resilience of sociotechnological systems to natural hazards. This volume contributes new conceptual and practical commentaries to assess, mitigate, and plan for disasters. Note de contenu : 1- Assessing seismic hazard in Chile using deep neural networks
2- Strong rainfall in Mato Grosso do Sul, Brazil: Synoptic analysis and numerical simulation
3- Natural hazards and nuclear power plant safety
4- Estimation of shear wave velocity profiles employing genetic algorithms and the diffuse field approach on microtremors array: Implications on liquefaction hazard at Port of Spain, Trinidad
5- Long-wave generation due to atmospheric-pressure variation and harbor oscillation in harbors of various shapes and countermeasures against meteotsunamis
6- Identification and assessment of hazard of development in gypsum karst regions: Examples from Turkey
7- Dam retirement and decision-making
8- Seismic hazard of viaduct transportation infrastructure
9- Determinants of coping strategies to floods and droughts in multiple geo-Ecological zones
10- Emergency communications network for disaster management
11- Interview of natural hazards anresilience of sociotechnological systems to natural hazardsNuméro de notice : 25944 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Monographie En ligne : https://www.intechopen.com/books/natural-hazards-risk-exposure-response-and-resi [...] Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=96333 Understanding of atmospheric systems with efficient numerical methods for observation and prediction / Lei-Ming Ma (2019)
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