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Flore et végétation d’une portion de côte en accrétion : sud du port de Taverna (côte orientale de la Corse) / Guilhan Paradis in Bulletin de la Société botanique du Centre-Ouest, n° 51 (2020)
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Titre : Flore et végétation d’une portion de côte en accrétion : sud du port de Taverna (côte orientale de la Corse) Type de document : Article/Communication Auteurs : Guilhan Paradis, Auteur ; Carole Piazza, Auteur Année de publication : 2020 Article en page(s) : pp 248 - 307 Note générale : bibliographie, tableaux phytosociologiques Langues : Français (fre) Descripteur : [Vedettes matières IGN] Ecologie
[Termes IGN] anthropisation
[Termes IGN] Corse
[Termes IGN] dune
[Termes IGN] espèce pionnière
[Termes IGN] flore littorale
[Termes IGN] flore méditerranéenne
[Termes IGN] impact sur l'environnement
[Termes IGN] littoral
[Termes IGN] phytosociologie
[Termes IGN] unité phytosociologiqueRésumé : (auteur) La construction du port de Taverna (côte orientale de la Corse) en 1970-1971 a modifié le transit des sédiments marins en créant un obstacle au courant de dérive littorale, orientée majoritairement du sud vers le nord. Cela a provoqué une très forte érosion au nord du port et une sédimentation sableuse au sud, sur une longueur de 2 km et sur plus de 100m de large par endroits. Cet article décrit, par des relevés phytosociologiques (Tableaux 2A à 11) et une phytocarte détaillée (Figures 5A et 5B), la colonisation par la végétation de cette avancée sableuse, qui est actuellement la seule de tout le littoral corse. Depuis la plage jusqu’à une dune ancienne et érodée, on trouve les associations suivantes : (1) Salsolo kali-Cakiletum
maritimae (Cakiletea maritimae) très clair mais riche en été en Euphobia peplis, (2) Echinophoro spinosae-Elymetum farcti (Euphorbio paraliae-Ammophiletea) comportant de nombreux pieds d’Anthemis maritima et très étendu, (3) Anthemido maritimae-Lomelosietum rutifoliae (association nouvelle des Helichryso-Cucianelletea) de très vaste extension. Trois associations thérophytiques printanières des Malcolmietalia ramosissimae (Ononidetum variegatae, Cutandietum maritimae et Lolietum rigidi), sont présentes, mais avec une assez faible extension. Au débouché de chacun des trois ruisseaux aboutissant sur la plage, s’étend une roselière (Phragmitetum australis calystegietosum sepii). Des groupements à Elytrigia acuta et à Juncus acutus, classables dans les Juncetea maritimi, s’étendent dans de petites dépressions temporairement humides. Trois groupements des Agrostietea stoloniferae (à Scirpoides holoschoenus, à Spartina patens, à Imperata cylindrica) ont été observés. La végétation ligneuse n’est bien représentée que sur la dune ancienne et en bordure de celle-ci (ourlet à Cistus creticus, manteau à Pistacia lentiscus, Quercus ilex et Quercus ilex). La répartition des espèces patrimoniales est visualisée sur une photo aérienne (Figure 6).Numéro de notice : A2020-397 Affiliation des auteurs : non IGN Thématique : BIODIVERSITE Nature : Article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=96711
in Bulletin de la Société botanique du Centre-Ouest > n° 51 (2020) . - pp 248 - 307[article]Geomorphological analysis of the San Domino Island (Tremiti Islands, Southern Adriatic Sea). Results from the 2019 Geomorphological Field Camp of the MSc in Geological Science and Technology (University of Chieti-Pescara) / Marcello Buccolini in Journal of maps, vol 16 n° 3 ([01/12/2020])
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Titre : Geomorphological analysis of the San Domino Island (Tremiti Islands, Southern Adriatic Sea). Results from the 2019 Geomorphological Field Camp of the MSc in Geological Science and Technology (University of Chieti-Pescara) Type de document : Article/Communication Auteurs : Marcello Buccolini, Auteur ; Cristiano Carabella, Auteur ; Giorgio Paglia, Auteur ; et al., Auteur Année de publication : 2020 Article en page(s) : pp 10 - 18 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Cartographie thématique
[Termes IGN] 1:5.000
[Termes IGN] analyse des risques
[Termes IGN] archipel
[Termes IGN] cartographie géologique
[Termes IGN] données de terrain
[Termes IGN] géologie locale
[Termes IGN] géomorphologie locale
[Termes IGN] Italie
[Termes IGN] morphométrieRésumé : (auteur) The 2019 Geomorphological Field Camp at San Domino Island (Tremiti Islands, Southern Adriatic Sea) is the result of geological and geomorphological field work activities carried out by a group of students attending the Geomorphological field mapping course of the Master’s Degree in Geological Science and Technology (University of Chieti-Pescara). The main map (1:5000 scale) was obtained through an integrated approach that incorporates morphometric analysis, geological and geomorphological field mapping, and geomorphological profiles drawing. Activities were carried out by all students, divided into six working groups of three to four persons each. The field camp and field work activities made it possible to produce a detailed thematic map, as a scientific tool to depict the San Domino Island landscape, and to outline some geomorphological issues in terms of possible constraints to landscape evolution, geomorphological processes distribution, and natural hazard assessment. Numéro de notice : A2020-816 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/17445647.2020.1831979 Date de publication en ligne : 16/11/2020 En ligne : https://doi.org/10.1080/17445647.2020.1831979 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=96982
in Journal of maps > vol 16 n° 3 [01/12/2020] . - pp 10 - 18[article]Intercomparisons of precipitable water vapour derived from radiosonde, GPS and sunphotometer observations / Shaoqi Gong in Geodetski vestnik, vol 64 n° 4 (December 2020 - February 2021)
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Titre : Intercomparisons of precipitable water vapour derived from radiosonde, GPS and sunphotometer observations Type de document : Article/Communication Auteurs : Shaoqi Gong, Auteur ; Wenqin Chen, Auteur ; Cunjie Zhang, Auteur ; et al., Auteur Année de publication : 2020 Article en page(s) : pp 562 - 577 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de géodésie spatiale
[Termes IGN] analyse comparative
[Termes IGN] atmosphère terrestre
[Termes IGN] coefficient de corrélation
[Termes IGN] photomètre
[Termes IGN] photométrie
[Termes IGN] positionnement par GNSS
[Termes IGN] précipitation
[Termes IGN] radiosondage
[Termes IGN] station d'observation
[Termes IGN] valeur aberrante
[Termes IGN] vapeur d'eauRésumé : (Auteur) The atmospheric precipitable water vapour (PWV) plays a crucial role in the hydrological cycle and energy transfer on a global scale. Radiosonde (RS), sunphotometer (SP) and GPS (as well as broader GNSS) receivers have gradually been the principal instruments for ground-based PWV observation. This study first co-locates the observation stations configured the three instruments in the globe and in three typical latitudinal climatic regions respectively, then the PWV data from the three instruments are matched each other according to the observing times. After the outliers are removed from the matched data pairs, the PWV intercomparisons for any two instruments are performed. The results show that the PWV estimates from any two instruments have a good agreement with very high correlation coefficients. The latitude and climate have no significant influence on the PWV measurements from the three instruments, indicating that the instruments are very stable and depend on their performance. The PWV differences of any two instruments display the normal distribution, indicating non-systematic biases among the two PWV datasets. The relative differences between SP and GPS are the smallest, the middle between SP and RS, and those between GPS and RS are the largest. This study will be useful to promote GPS (GNSS) and SP PWV to be a substitute for RS PWV as a benchmark because of their high temporal resolutions. Numéro de notice : A2020-778 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article DOI : 10.15292/geodetski-vestnik.2020.04.562-577 En ligne : http://www.geodetski-vestnik.com/en/2020-4 Format de la ressource électronique : URL bulletin Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=96709
in Geodetski vestnik > vol 64 n° 4 (December 2020 - February 2021) . - pp 562 - 577[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 139-2020041 RAB Revue Centre de documentation En réserve L003 Disponible Large-scale stochastic flood hazard analysis applied to the Po River / A. Curran in Natural Hazards, vol 104 n° 3 (December 2020)
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Titre : Large-scale stochastic flood hazard analysis applied to the Po River Type de document : Article/Communication Auteurs : A. Curran, Auteur ; Karin De Bruijn, Auteur ; Alessio Domeneghetti, Auteur ; et al., Auteur Année de publication : 2020 Article en page(s) : pp 2027 – 2049 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Analyse spatiale
[Termes IGN] analyse des risques
[Termes IGN] digue
[Termes IGN] inondation
[Termes IGN] modèle hydrographique
[Termes IGN] modèle stochastique
[Termes IGN] Pô (plaine)
[Termes IGN] prévention des risques
[Termes IGN] probabilité
[Termes IGN] surveillance hydrologiqueRésumé : (auteur) Reliable hazard analysis is crucial in the flood risk management of river basins. For the floodplains of large, developed rivers, flood hazard analysis often needs to account for the complex hydrology of multiple tributaries and the potential failure of dikes. Estimating this hazard using deterministic methods ignores two major aspects of large-scale risk analysis: the spatial–temporal variability of extreme events caused by tributaries, and the uncertainty of dike breach development. Innovative stochastic methods are here developed to account for these uncertainties and are applied to the Po River in Italy. The effects of using these stochastic methods are compared against deterministic equivalents, and the methods are combined to demonstrate applications for an overall stochastic hazard analysis. The results show these uncertainties can impact extreme event water levels by more than 2 m at certain channel locations, and also affect inundation and breaching patterns. The combined hazard analysis allows for probability distributions of flood hazard and dike failure to be developed, which can be used to assess future flood risk management measures. Numéro de notice : A2020-735 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.1007/s11069-020-04260-w Date de publication en ligne : 08/09/2020 En ligne : https://doi.org/10.1007/s11069-020-04260-w Format de la ressource électronique : url article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=96350
in Natural Hazards > vol 104 n° 3 (December 2020) . - pp 2027 – 2049[article]Polarization of light reflected by grass: modeling using visible-sunlit areas / Bin Yang in Photogrammetric Engineering & Remote Sensing, PERS, vol 86 n° 12 (December 2020)
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Titre : Polarization of light reflected by grass: modeling using visible-sunlit areas Type de document : Article/Communication Auteurs : Bin Yang, Auteur ; Lei Yan, Auteur ; Siyuan Liu, Auteur Année de publication : 2020 Article en page(s) : pp 745 - 752 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique
[Termes IGN] aérosol
[Termes IGN] canopée
[Termes IGN] distribution du coefficient de réflexion bidirectionnelle BRDF
[Termes IGN] ensoleillement
[Termes IGN] image POLDER
[Termes IGN] image Terra-MODIS
[Termes IGN] Leaf Area Index
[Termes IGN] polarisation
[Termes IGN] réflectance de surface
[Termes IGN] réflectance végétaleRésumé : (Auteur) The Bidirectional polarization distribution function (BPDF) of land surfaces is important for studies of land surfaces and aerosol. With the availability of a huge number of polarization measurements, several semi-empirical BPDF models have been proposed. However, these models do not pay much attention to canopy structure, which is fundamental for generation of polarization. In this article, we propose a new BPDF model using canopy structure information, which is parameterized by visible-sunlit areas. It is evaluated over grassland using POLDER BPDF and MODIS leaf area index data sets. Experiments suggest that compared to Nadal–Bréon and Litvinov models, the new BPDF model reduces root-mean-square error by 7% and 10%, respectively. The new BPDF model also provides better performance when it is fitted using observations clustered by sun zenith angle. The new BPDF model thus provides an effective tool for the study of land surface polarization. Numéro de notice : A2020-763 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.14358/PERS.86.12.745 Date de publication en ligne : 01/12/2020 En ligne : https://doi.org/10.14358/PERS.86.12.745 Format de la ressource électronique : URL Article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=96552
in Photogrammetric Engineering & Remote Sensing, PERS > vol 86 n° 12 (December 2020) . - pp 745 - 752[article]Réservation
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