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Efficient measurement of large-scale decadal shoreline change with increased accuracy in tide-dominated coastal environments with Google Earth Engine / Yongjing Mao in ISPRS Journal of photogrammetry and remote sensing, Vol 181 (November 2021)
[article]
Titre : Efficient measurement of large-scale decadal shoreline change with increased accuracy in tide-dominated coastal environments with Google Earth Engine Type de document : Article/Communication Auteurs : Yongjing Mao, Auteur ; Daniel L. Harris, Auteur ; Zunyi Xie, Auteur ; et al., Auteur Année de publication : 2021 Article en page(s) : pp 385 - 399 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes IGN] Australie
[Termes IGN] carte thématique
[Termes IGN] détection de changement
[Termes IGN] érosion côtière
[Termes IGN] estran
[Termes IGN] Google Earth Engine
[Termes IGN] image Landsat
[Termes IGN] littoral
[Termes IGN] marée lunaire
[Termes IGN] surveillance du littoral
[Termes IGN] trait de côteRésumé : (auteur) Most of the worlds’ population relies on the processes and ecosystems in the coastal zone. Understanding the long-term change of coastlines is critical for the effective management of these complex, and heavily utilised regions. There has been a recent increase of studies focused on large-scale shoreline change mapping. However, most current methods are optimized for extracting shorelines of wave-dominated sandy beaches, which are only 30% of the global coasts, resulting in uncertainty for other environments such as tidal flats and bedrock. Here, we propose a new shoreline change mapping workflow, using the Landsat archive and Google Earth Engine, which increases compute efficiency and is suitable for retrieving shoreline changes for various coastal landforms at high tide instead of mean sea level. By validating against regional and continental datasets in Australia, we found the approach here produced high mapping accuracy and showed particularly better performance at tide-dominated coasts, where tidal flats and intertidal bars and ridges are present, when compared to past approaches. This is an important step forward since tide-dominated and tide-modified coasts are widely distributed at tropical low latitudes. We also explored the global application of the proposed method and derived hotspots of shoreline erosion and accretion that agreed with multiple regional studies across the world. Most of these hotspots were related to river sediment discharge and human intervention on the coast, as expected. Although it requires further validation, the global application of our method demonstrates the significance of this approach in identifying potential threats to coastal zones, especially in complex tide-dominated environments, which can facilitate effective coastal management. Numéro de notice : A2021-774 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.isprsjprs.2021.09.021 Date de publication en ligne : 05/10/2021 En ligne : https://doi.org/10.1016/j.isprsjprs.2021.09.021 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=98831
in ISPRS Journal of photogrammetry and remote sensing > Vol 181 (November 2021) . - pp 385 - 399[article]Determination of the lunar body tide from global laser altimetry data / Robin N. Thor in Journal of geodesy, vol 95 n° 1 (January 2021)
[article]
Titre : Determination of the lunar body tide from global laser altimetry data Type de document : Article/Communication Auteurs : Robin N. Thor, Auteur ; Reinald Kallenbach, Auteur ; Ulrich R. Christensen, Auteur ; et al., Auteur Année de publication : 2021 Article en page(s) : n° 4 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie physique
[Termes IGN] altimètre laser
[Termes IGN] données altimétriques
[Termes IGN] marée lunaire
[Termes IGN] Mercure (planète)
[Termes IGN] mesure géodésiqueRésumé : (auteur) We use global data from the Lunar Orbiter Laser Altimeter (LOLA) to retrieve the lunar tidal Love number ℎ2 and find ℎ2=0.0387±0.0025. This result is in agreement with previous estimates from laser altimetry using crossover points of LOLA profiles. The Love numbers k2 and h2 are key constraints on planetary interior models. We further develop and apply a retrieval method based on a simultaneous inversion for the topography and the tidal signal benefiting from the large volume of LOLA data. By the application to the lunar tides, we also demonstrate the potential of the method for future altimetry experiments at other planetary bodies. The results of this study are very promising with respect to the determination of Mercury’s and Ganymede’s h2 from future altimeter measurements. Numéro de notice : A2021-029 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1007/s00190-020-01455-8 Date de publication en ligne : 23/12/2020 En ligne : https://doi.org/10.1007/s00190-020-01455-8 Format de la ressource électronique : url article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=96712
in Journal of geodesy > vol 95 n° 1 (January 2021) . - n° 4[article]
Titre : Essential astrophysics Type de document : Monographie Auteurs : Kenneth R. Lang, Auteur Editeur : Berlin, Heidelberg, Vienne, New York, ... : Springer Année de publication : 2013 Importance : 657 p. ISBN/ISSN/EAN : 978-3-642-35963-7 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Astrophysique
[Termes IGN] champ de pesanteur terrestre
[Termes IGN] champ électromagnétique
[Termes IGN] étoile
[Termes IGN] force de gravitation
[Termes IGN] loi de Képler
[Termes IGN] marée lunaire
[Termes IGN] marée terrestre
[Termes IGN] neutron
[Termes IGN] onde radioélectrique
[Termes IGN] proton
[Termes IGN] rayonnement solaire
[Termes IGN] rotation de la Terre
[Termes IGN] système stellaire
[Termes IGN] téléscope
[Termes IGN] trou noirRésumé : (éditeur) Essential Astrophysics is a book to learn or teach from, as well as a fundamental reference volume for anyone interested in astronomy and astrophysics. It presents astrophysics from basic principles without requiring any previous study of astronomy or astrophysics. It serves as a comprehensive introductory text, which takes the student through the field of astrophysics in lecture-sized chapters of basic physical principles applied to the cosmos. This one-semester overview will be enjoyed by undergraduate students with an interest in the physical sciences, such as astronomy, chemistry, engineering or physics, as well as by any curious student interested in learning about our celestial science. The mathematics required for understanding the text is on the level of simple algebra, for that is all that is needed to describe the fundamental principles. The text is of sufficient breadth and depth to prepare the interested student for more advanced specialised courses in the future. Astronomical examples are provided throughout the text, to reinforce the basic concepts and physics, and to demonstrate the use of the relevant formulae. In this way, the student learns to apply the fundamental equations and principles to cosmic objects and situations. Astronomical and physical constants and units as well as the most fundamental equations can be found in the appendix. Essential Astrophysics goes beyond the typical textbook by including references to the seminal papers in the field, with further reference to recent applications, results, or specialised literature. Note de contenu : 1- Observing the Universe
2- Radiation
3- Gravity
4- Cosmic Motion
5- Moving Particles
6- Detecting Atoms in Stars
7- Transmutation of the Elements
8- What Makes the Sun Shine?
9- The Extended Solar Atmosphere
10- The Sun Amongst the Stars
11- The Material Between the Stars
12- Formation of the Stars and Their Planets
13- Stellar End States
14- A Larger, Expanding Universe
15- Origin, Evolution, and Destiny of the Observable UniverseNuméro de notice : 25760 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Monographie En ligne : https://doi.org/10.1007/978-3-642-35963-7 Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=94955 Fifth 5th international symposium Geodesy and physics of the Earth Proceedings, 1. Volume 1 / Deutsche Akademie der Wissenschaft (1985)Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 55648-01A CG.84 Livre Centre de documentation En réserve M-103 Disponible Fifth 5th international symposium Geodesy and physics of the Earth Proceedings, 2. Volume 2 / Deutsche Akademie der Wissenschaft (1985)
Titre de série : Fifth 5th international symposium Geodesy and physics of the Earth Proceedings, 2 Titre : Volume 2 Type de document : Actes de congrès Auteurs : Deutsche Akademie der Wissenschaft, Auteur Congrès : 5th international symposium Geodesy and physics of the Earth (23 - 29 septembre 1984; Magdebourg, Allemagne), Auteur Editeur : Postdam : Zentralinstitut für Physik der Erde ZPE Année de publication : 1985 Collection : Veröffentlichungen des Zentralinstituts für Physik der Erde, ISSN 0514-8790 num. 81 Langues : Anglais (eng) Russe (rus) Descripteur : [Vedettes matières IGN] Géodésie
[Termes IGN] Bureau international de l'heure
[Termes IGN] collocation
[Termes IGN] correction
[Termes IGN] croute terrestre
[Termes IGN] déformation de la croute terrestre
[Termes IGN] effet Doppler
[Termes IGN] géoïde
[Termes IGN] gravimétrie
[Termes IGN] marée lunaire
[Termes IGN] marée océanique
[Termes IGN] marée terrestre
[Termes IGN] pôle
[Termes IGN] rotation de la Terre
[Termes IGN] satellite artificiel
[Termes IGN] séisme
[Termes IGN] système de référence géodésique
[Termes IGN] Terre (planète)Index. décimale : CG1984 Actes de congrès en 1984 Numéro de notice : 55648B Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Actes Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=35756 Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 55648-01B CG.84 Livre Centre de documentation En réserve M-103 Disponible Fifth 5th international symposium Geodesy and physics of the Earth Proceedings, 3. Volume 3 / Deutsche Akademie der Wissenschaft (1984)PermalinkDie theoretischen Mondgezeiten und ihre Genauigkeit mit Anwendung auf die geodätischen Abstandsmessungen zum Mond / A. Bilajbegovic (1978)PermalinkPermalink