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Utilisation d’un modèle numérique de hauteur en stratification des données de l’Inventaire Forestier National / Sophie Georges (2017)
Titre : Utilisation d’un modèle numérique de hauteur en stratification des données de l’Inventaire Forestier National Type de document : Mémoire Auteurs : Sophie Georges, Auteur Editeur : Toulouse : Université de Toulouse 2 Jean Jaurès Année de publication : 2017 Autre Editeur : Toulouse : Institut National Polytechnique de Toulouse INPT Importance : 90 p. Format : 21 x 30 cm Note générale : bibliographie
Master 2 Géomatique, ScIences Géomatiques en environneMent et Aménagement (SIGMA)Langues : Français (fre) Descripteur : [Termes IGN] Alsace (France administrative)
[Termes IGN] analyse comparative
[Termes IGN] analyse de données
[Termes IGN] analyse de variance
[Termes IGN] appariement de modèles conceptuels de données
[Termes IGN] BD forêt
[Termes IGN] chaîne de traitement
[Termes IGN] dalle
[Termes IGN] diamètre des arbres
[Termes IGN] échantillonnage (statistique)
[Termes IGN] échantillonnage de données
[Termes IGN] essence d'arbre
[Termes IGN] estimation statistique
[Termes IGN] feuillu
[Termes IGN] hauteur des arbres
[Termes IGN] inventaire forestier (techniques et méthodes)
[Termes IGN] inventaire forestier national (données France)
[Termes IGN] Inventaire Forestier National (organisme France)
[Termes IGN] modèle numérique de surface
[Termes IGN] modèle numérique de surface de la canopée
[Termes IGN] modèle numérique de sursol
[Termes IGN] modèle numérique de terrain
[Termes IGN] peuplement forestier
[Termes IGN] photo-interprétation
[Termes IGN] Pinophyta
[Termes IGN] post-stratification de données
[Termes IGN] R (langage)
[Termes IGN] stratification de données
[Vedettes matières IGN] Inventaire forestierRésumé : (auteur) L’Inventaire Forestier National fournit des données de références concernant la forêt française depuis 1960. La méthode actuellement utilisée repose sur des points d’échantillonnage tirés au sort sur tout le territoire et photo-interprétés, puis pour certains visités, et sur un traitement des données par post-stratification. Celle-ci a jusqu’à présent toujours utilisé les mêmes informations, mais pourrait exploiter d’autres données disponibles, en particulier des modèles de hauteur. À partir de modèles numériques de terrain et d’élévation disponibles pour la région Alsace, un modèle numérique de « hauteur dominante » en huit classes de hauteur a été élaboré pour les forêts alsaciennes. La méthode mise en place vise à une automatisation maximale de ce travail grâce au logiciel R. Ce modèle, ainsi qu’une cartographie simplifiée des essences, ont servi de base à la mise en place de nouvelles stratifications des données sur la période 2010-2014. Celles-ci ont été comparées à la stratification de référence de l’inventaire sans ventilation des données ; puis les stratifications les plus intéressantes, qui se sont avérées être les plus simples, ont été comparées en ventilant les données par différents critères. La stratification par essences regroupées a amélioré les estimations pour les classes de peuplement, l’opposition feuillus / conifères et des essences fréquentes. La stratification par classes de hauteur est plus intéressante pour les classes de diamètre des arbres et la difficulté d’exploitation. Elles n’améliorent par contre pas les résultats par type de propriété forestière ou pour d’autres essences. Note de contenu : 1- L'inventaire des ressources forestières en France
2- La méthode d'inventaire de l'IFN depuis 2004
3- Utilisation de modèles de hauteur en stratification : données et méthodes
4- Résultats : comparaison entre les stratifications créées et la référence
5- Discussion
6- Conclusion généraleNuméro de notice : 24598 Affiliation des auteurs : non IGN Thématique : FORET/MATHEMATIQUE Nature : Mémoire masters divers Organisme de stage : SIFE (IGN) Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=92171 Documents numériques
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Utilisation d’un modèle numérique... - pdf auteurAdobe Acrobat PDF Multi-technique comparison of atmospheric parameters at the DORIS co-location sites during CONT14 / Robert Heinkelmann in Advances in space research, vol 58 n° 12 (15 December 2016)
[article]
Titre : Multi-technique comparison of atmospheric parameters at the DORIS co-location sites during CONT14 Type de document : Article/Communication Auteurs : Robert Heinkelmann, Auteur ; Pascal Willis , Auteur ; Zhiguo Deng, Auteur ; Galina Dick, Auteur ; Tobias Nilsson, Auteur ; Benedikt Soja, Auteur ; Florian Zus, Auteur ; Jens Wickert, Auteur ; Harald Schuh, Auteur Année de publication : 2016 Article en page(s) : pp 2758 - 2773 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Systèmes de référence et réseaux
[Termes IGN] analyse comparative
[Termes IGN] antenne DORIS
[Termes IGN] co-positionnement
[Termes IGN] modèle météorologique
[Termes IGN] retard troposphérique zénithal
[Termes IGN] station permanenteRésumé : (auteur) The atmospheric parameters, zenith delays and gradients, obtained by the DORIS, GPS, VLBI, and numerical weather models, ECMWF and NCEP, are compared at five DORIS co-located sites during the 15 days of the CONT14 campaign from 2014-05-06 until 2014-05-20. Further examined are two different solutions of GPS, VLBI and NCEP: for GPS, a network solution comparable to the TIGA reprocessing analysis strategy and a precise point positioning solution, for VLBI, a least squares and a Kalman filtered and smoothed solution, and for NCEP two spatial resolutions, 0.5° and 1.0°, are tested. The different positions of the antenna reference points at co-location sites affect the atmospheric parameters and have to be considered prior to the comparison. We assess and discuss these differences, tropospheric ties, by comparing ray-traced atmospheric parameters obtained at the positions of the various antenna reference points. While ray-traced ZHD and ZWD at the co-located antennas significantly differ, the ray-traced gradients show only very small differences. Weather events can introduce larger disagreement between atmospheric parameters obtained at co-location sites. The various weather model solutions in general agree very well in providing tropospheric ties. The atmospheric parameters are compared using statistical methods, such as the mean difference and standard deviations with repect to a weighted mean value. While GPS and VLBI atmospheric parameters agree very well in general, the DORIS observations are in several cases not dense enough to achieve a comparable level of agreement. The estimated zenith delays from DORIS, however, are competitive with the other space geodetic techniques. If the DORIS observation geometry is insufficient for the estimation of an atmospheric gradient, less than three satellites observed during the definition interval, the DORIS atmospheric parameters degrade and show small quasi-periodic variations that correlate with the number of observations and in particular with the number of satellites. An increase in the DORIS constellation concerning more satellites and in general more observations is very likely to significantly improve the quality of DORIS derived atmospheric parameters. For the first time, we tested a 6 h sampling of the DORIS gradients. Where the observations are sufficiently dense, the increased sampling results in an improvement of the agreement of the DORIS gradients with the other solutions. Numéro de notice : A2016--184 Affiliation des auteurs : LASTIG LAREG+Ext (2012-mi2018) Thématique : POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.asr.2016.09.023 Date de publication en ligne : 29/09/2016 En ligne : https://doi.org/10.1016/j.asr.2016.09.023 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=91819
in Advances in space research > vol 58 n° 12 (15 December 2016) . - pp 2758 - 2773[article]Annual volume increment of the European forests—description and evaluation of the national methods used / Stein Michael Tomter in Annals of Forest Science, vol 73 n° 4 (December 2016)
[article]
Titre : Annual volume increment of the European forests—description and evaluation of the national methods used Type de document : Article/Communication Auteurs : Stein Michael Tomter, Auteur ; Andrius Kuliesis, Auteur ; Thomas Gschwantner, Auteur Année de publication : 2016 Article en page(s) : pp 849 - 856 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] analyse comparative
[Termes IGN] arbre mort
[Termes IGN] Europe (géographie politique)
[Termes IGN] inventaire forestier (techniques et méthodes)
[Termes IGN] placette d'échantillonnage
[Termes IGN] Union Européenne
[Termes IGN] volume en bois
[Vedettes matières IGN] Inventaire forestierRésumé : (auteur) In order to obtain the necessary information for decision making etc., it is of increasing importance to be able to assess increment in a reliable way. Only repeated measurements on permanent sample plots in national forest inventories can provide accurate and comprehensive information on the various components of annual increment. Such inventory systems are increasingly employed in European countries. The felling/increment ratio, characterizing wood use sustainability, should be expressed as the ratio of felled living trees (excluding dead trees) and net increment.
Context : Reporting of gross and net annual increment is an element of international forest resource assessments and crucial for sustainable forest management. A number of approaches exist for the estimation of increment and its various sub-components.
Aims : The main objectives of the study are to assess in detail what methods European countries have used and are planning to use in the future for international reporting of increment. Also, the usefulness of the various approaches for the assessment of increment is evaluated.
Methods : A questionnaire asking about their assessment methods was distributed among the UNECE/FAO national correspondents of all European countries and members of the UNECE/FAO Team of Specialists on Monitoring Sustainable Forest Management. Databases of the Temperate and Boreal Forest Resource Assessment 2000 and of the State of Europe’s Forests 2011 were also used. Furthermore, the methodological background was described on the basis of relevant literature sources and some examples for country groups presented.
Results : Countries have indicated what methods they used for assessment of various increment components, and the percentage of countries, forest area, and growing stock corresponding to these replies has been calculated. With regard to gross annual increment, these metrics represent about one third for inventories based on permanent sample plots, but this percentage is on the increase.
Conclusion : The concept of the “control method” for forest management was developed more than 100 years ago but only utilized at the local level. The same methodology is now widely used at the national and regional level due to the implementation of modern national forest inventories using permanent sample plots. Care should be taken to utilize the data correctly for international forest resource assessments, in order to, e.g., avoid double counting of dead trees.Numéro de notice : A2016--163 Affiliation des auteurs : non IGN Thématique : FORET Nature : Article DOI : 10.1007/s13595-016-055 Date de publication en ligne : 13/06/2016 En ligne : https://doi.org/10.1007/s13595-016-0557-2 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=87077
in Annals of Forest Science > vol 73 n° 4 (December 2016) . - pp 849 - 856[article]Un cadastre pas comme les autres / Anne Fantuzzi in Géomètre, n° 2142 (décembre 2016)
[article]
Titre : Un cadastre pas comme les autres Type de document : Article/Communication Auteurs : Anne Fantuzzi, Auteur Année de publication : 2016 Article en page(s) : pp 14 - 16 Langues : Français (fre) Descripteur : [Vedettes matières IGN] Cadastre
[Termes IGN] Alsace (France administrative)
[Termes IGN] analyse comparative
[Termes IGN] bornage
[Termes IGN] cadastre étranger
[Termes IGN] cadastre européen
[Termes IGN] droit foncier
[Termes IGN] limite cadastrale
[Termes IGN] Moselle (57)Résumé : (auteur) Devant une centaine de personnes - élus locaux, parlementaires, administrations, étudiants, géomètres-experts - les spécificités de la publicité foncière en Alsace-Moselle ont été mises en relief et comparées avec les régimes de publicité foncière à travers l’Europe. Numéro de notice : A2016-951 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=83451
in Géomètre > n° 2142 (décembre 2016) . - pp 14 - 16[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 063-2016111 RAB Revue Centre de documentation En réserve L003 Disponible Comparison of methods used in European National Forest Inventories for the estimation of volume increment: towards harmonisation / Thomas Gschwantner in Annals of Forest Science, vol 73 n° 4 (December 2016)
[article]
Titre : Comparison of methods used in European National Forest Inventories for the estimation of volume increment: towards harmonisation Type de document : Article/Communication Auteurs : Thomas Gschwantner, Auteur ; Adrian Lanz, Auteur ; Claude Vidal , Auteur ; Michal Bosela, Auteur ; Martin Vestman, Auteur ; Klemens Schadauer, Auteur ; Lucio di Cosmo, Auteur ; Jonas Fridman, Auteur ; Patrizia Gasparini, Auteur ; Andrius Kuliesis, Auteur ; Stein Michael Tomter, Auteur Année de publication : 2016 Article en page(s) : pp 807 - 821 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] analyse comparative
[Termes IGN] croissance des arbres
[Termes IGN] estimation statistique
[Termes IGN] harmonisation des données
[Termes IGN] inventaire forestier étranger (données)
[Termes IGN] inventaire forestier national (données France)
[Termes IGN] volume en bois
[Vedettes matières IGN] Inventaire forestierRésumé : (Auteur) The increment estimation methods of European NFIs were explored by means of 12 essential NFI features. The results indicate various differences among NFIs within the commonly acknowledged methodological frame. The perspectives for harmonisation at the European level are promising.
Context : The estimation of increment is implemented differently in European National Forest Inventories (NFIs) due to different historical origins of NFIs and sampling designs and field assessments accommodated to country-specific conditions. The aspired harmonisation of increment estimation requires a comparison and an analysis of NFI methods.
Aims : The objective was to investigate the differences in volume increment estimation methods used in European NFIs. The conducted work shall set a basis for harmonisation at the European level which is needed to improve information on forest resources for various strategic processes.
Methods : A comprehensive enquiry was conducted during Cost Action FP1001 to explore the methods of increment estimation of 29 European NFIs. The enquiry built upon the preceding Cost Action E43 and was complemented by an analysis of literature to demonstrate the methodological backgrounds.
Results : The comparison of methods revealed differences concerning the NFI features such as sampling grids, periodicity of assessments, permanent and temporary plots, use of remote sensing, sample tree selection, components of forest growth, forest area changes, sampling thresholds, field measurements, drain assessment, involved models and tree parts included in estimates.
Conclusion : Increment estimation methods differ considerably among European NFIs. Their harmonisation introduces new issues into the harmonisation process. Recent accomplishments and the increased use of sample-based inventories in Europe make perspectives for harmonised reporting of increment estimation promising.Numéro de notice : A2016--008 Affiliation des auteurs : non IGN Thématique : FORET Nature : Article DOI : 10.1007/s13595-016-0554-5 Date de publication en ligne : 02/05/2016 En ligne : http://dx.doi.org/10.1007/s13595-016-0554-5 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=83833
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Essai d’analyse comparative / Hélène Mathian in Revue internationale de géomatique, vol 25 n° 3 (septembre - novembre 2015)PermalinkIdentification of movements using different geodetic methods of deformation analysis / Zoran Sušić in Geodetski vestnik, vol 59 n° 3 (September - November 2015)PermalinkMeasuring the effectiveness of various features for thematic information extraction from very high resolution remote sensing imagery / X. Chen in IEEE Transactions on geoscience and remote sensing, vol 53 n° 9 (September 2015)PermalinkMorphological interpretations of glacial forms by spatial analysis in the area surrounding lake Simcoe, Ontario / Victoria R. Balkwill Tweedie in Cartographica, vol 50 n° 3 (Fall 2015)PermalinkNote technique : Apport de la photogrammétrie au suivi topographique de la flèche littorale de Joal (Sénégal) / Mamadou Sadio in Photo interprétation, European journal of applied remote sensing, vol 51 n° 3 (septembre 2015)PermalinkA novel method to correct for wood MOE ultrasonics and NIRS measurements on increment cores in Liquidambar styraciflua L / Herizo Rakotovololonalimanana in Annals of Forest Science, vol 72 n° 6 (September 2015)PermalinkPrediction of traffic counts using statistical and neural network models / Abul Kalam Azad in Geomatica, vol 69 n° 3 (september 2015)PermalinkQuality evaluation of VGI using authoritative data : A comparison with land use data in Southern Germany / Helen Dorn in ISPRS International journal of geo-information, vol 4 n°3 (September 2015)PermalinkReprésenter les temporalités urbaines et commerciales : retour d'expériences européennes / Lionel Guillemot in Cartes & Géomatique, n° 225 (septembre 2015)PermalinkModelling the constraints of spatial environment in fauna movement simulations: comparison of a boundaries accurate function and a cost function / Laurence Jolivet in ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, vol II-3 W5 (October 2015)PermalinkAn unsupervised urban change detection procedure by using luminance and saturation for multispectral remotely sensed images / Su Ye in Photogrammetric Engineering & Remote Sensing, PERS, vol 81 n° 8 (August 2015)PermalinkSingle-frequency precise point positioning: an analytical approach / Oskar Sterle in Journal of geodesy, vol 89 n° 8 (August 2015)PermalinkA comparison and evaluation of map construction algorithms using vehicle tracking data / Mahmuda Ahmed in Geoinformatica, vol 19 n° 3 (July - September 2015)PermalinkDetermination of the local tie vector between the VLBI and GNSS reference points at Onsala using GPS measurements / Tong Ning in Journal of geodesy, vol 89 n° 7 (July 2015)PermalinkDivisional ambiguity resolution for long range reference stations in network RTK / J. Deng in Survey review, vol 47 n° 343 (July 2015)PermalinkRecommendations in location-based social networks: a survey / Jie Bao in Geoinformatica, vol 19 n° 3 (July - September 2015)PermalinkSemisupervised transfer component analysis for domain adaptation in remote sensing image classification / Giona Matasci in IEEE Transactions on geoscience and remote sensing, vol 53 n° 7 (July 2015)PermalinkSeedlings of two Acacia species from contrasting habitats show different photoprotective and antioxidative responses to drought and heatwaves / Agnieszka Wujeska-Klause in Annals of Forest Science, vol 72 n° 4 (June 2015)PermalinkAnalysis of orbital configurations for geocenter determination with GPS and low-Earth orbiters / Da Kuang in Journal of geodesy, vol 89 n° 5 (May 2015)PermalinkA critical comparison among pansharpening algorithms / Gemine Vivone in IEEE Transactions on geoscience and remote sensing, vol 53 n° 5 (mai 2015)PermalinkSpectral–spatial classification for hyperspectral data using rotation forests with local feature extraction and markov random fields / Junshi Xia in IEEE Transactions on geoscience and remote sensing, vol 53 n° 5 (mai 2015)PermalinkTowards better WMS maps through the use of the styled layer descriptor and cartographic conflict resolution for linear features / Ionuţ Iosifescu Enescu in Cartographic journal (the), Vol 52 n° 2 (May 2015)PermalinkUrbanization of the United States over two centuries: an approach based on a long-term database (1790–2010) / Anne Bretagnolle in International journal of geographical information science IJGIS, vol 29 n° 5 (May 2015)PermalinkGalileo E1 and E5a Performance for multi-frequency, multi-constellation GBAS / Mihaela-Simona Circiu in GPS world, vol 26 n° 4 (April 2015)PermalinkOn reverse-k-nearest-neighbor joins / Tobias Emrich in Geoinformatica, vol 19 n° 2 (April - June 2015)PermalinkPanorama sur les méthodes de classification des images satellites et techniques d'amélioration de la précision de la classification / O. El Kharki in Revue Française de Photogrammétrie et de Télédétection, n° 210 (Avril 2015)PermalinkRegional vertical total electron content (VTEC) modeling together with satellite and receiver differential code biases (DCBs) using semi-parametric multivariate adaptive regression B-splines (SP-BMARS) / Murat Durmaz in Journal of geodesy, vol 89 n° 4 (April 2015)PermalinkAn experimental comparison of directly and indirectly derived modulation transfer functions / Chia-Hsiang Yang in Photogrammetric record, vol 30 n° 149 (March - May 2015)PermalinkChamp de vitesse GPS du Nord-Est de la France : apport des stations permanentes pour une précision submillimétrique / Eric Henrion in XYZ, n° 142 (mars - mai 2015)PermalinkComparaison de méthodes de recalage d'images pour le géoréférencement de clichés anciens / Leïla Bakkouch in XYZ, n° 142 (mars - mai 2015)Permalink