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Dynamic mechanism of blown sand hazard formation at the Jieqiong section of the Lhasa–Shigatse railway / Shengbo Xie in Geomatics, Natural Hazards and Risk, vol 12 n° 1 (2021)
[article]
Titre : Dynamic mechanism of blown sand hazard formation at the Jieqiong section of the Lhasa–Shigatse railway Type de document : Article/Communication Auteurs : Shengbo Xie, Auteur ; Jianjun Qu, Auteur ; Yingjun Pang, Auteur ; et al., Auteur Année de publication : 2021 Article en page(s) : pp 154 - 166 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Analyse spatiale
[Termes IGN] météorologie locale
[Termes IGN] modèle dynamique
[Termes IGN] prévention des risques
[Termes IGN] risque naturel
[Termes IGN] sable
[Termes IGN] Tibet
[Termes IGN] variation saisonnière
[Termes IGN] vent de sable
[Termes IGN] vitesse
[Termes IGN] voie ferréeRésumé : (auteur) Blown sand hazards at the Jieqiong section of the Lhasa–Shigatse railway are severe, and their formation mechanism is unclear. Moreover, sand prevention and control work cannot be carried out. Therefore, the dynamic mechanism of blown sand at the Jieqiong section of the Lhasa–Shigatse Railway was investigated by field observation, laboratory analysis, and calculation. Results show that the yearly sand–moving wind at the Jieqiong section commonly originates from the SW direction. The yearly resultant drift direction and the yearly resultant angle of the maximum possible sand transport quantity are NE direction. The angle between railway trend and sand transport direction is 5°–30°. During dry season, sand materials are blown up by the wind, forming wind–sand flow and movement to the NE direction, at which they are blocked by the railway roadbed. Consequently, accumulation occurs and causes serious damage. Strong wind and dryness are synchronous within a season. The directions of sand source and prevailing wind are consistent, thereby aggravating the blown sand dynamic further. The present results provide a reference for controlling sand hazards in the locale. Numéro de notice : A2021-109 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/19475705.2020.1863268 Date de publication en ligne : 28/12/2020 En ligne : https://doi.org/10.1080/19475705.2020.1863268 Format de la ressource électronique : url article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=96906
in Geomatics, Natural Hazards and Risk > vol 12 n° 1 (2021) . - pp 154 - 166[article]Dynamics of inundation events in the rivers-estuaries-ocean continuum in Bengal delta : synergy between hydrodynamic modelling and spaceborne remote sensing / Md Jamal Uddin Kahn (2021)
Titre : Dynamics of inundation events in the rivers-estuaries-ocean continuum in Bengal delta : synergy between hydrodynamic modelling and spaceborne remote sensing Type de document : Thèse/HDR Auteurs : Md Jamal Uddin Kahn, Auteur ; Fabien Durand, Directeur de thèse ; Laurent Testut, Directeur de thèse Editeur : Toulouse : Université de Toulouse 3 Paul Sabatier Année de publication : 2021 Importance : 167 p. Format : 21 x 30 cm Note générale : Bibliographie
Thèse présentée en vue de l’obtention du Doctorat en Océan, Atmosphère, Climat, de l’Université de ToulouseLangues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes IGN] Bengale, golfe du
[Termes IGN] cyclone
[Termes IGN] delta
[Termes IGN] estran
[Termes IGN] gestion des risques
[Termes IGN] hydrodynamique
[Termes IGN] image Sentinel-MSI
[Termes IGN] marée océanique
[Termes IGN] modèle numérique de surface
[Termes IGN] niveau moyen des mers
[Termes IGN] risque naturel
[Termes IGN] submersion marineIndex. décimale : THESE Thèses et HDR Résumé : (Auteur) The Bengal delta is the largest in the world. It is formed by the confluence of three transboundary rivers - Ganges, Brahmaputra, and Meghna. Flooding induced by large seasonal continental discharge, strong tide, and frequent deadly storm surges, regularly strikes this densely populated (density > 1000 person/km2), low-lying coastal region ( Note de contenu : 1. Introduction and Motivation
1.1 Introduction
1.2 The river deltas
1.3 Inundation in the Bengal delta
1.4 Bengal delta continuum and knowledge gaps
1.5 Scientific questions and study approach
1.6 Organization of the thesis
2. Hydrodynamic Modeling: Data and Methods
2.1 Introduction
2.2 Bathymetry assembly
2.3 Observations
2.4 Modelling framework
2.5 Model forcings and boundary condition
2.6 Assessment of tide
3. Intertidal Topography: Synergy Between Remote Sensing and Tidal Mod?elling
3.1 Introduction
3.2 Shoreline detection with Sentinel-2 imagery
3.3 Vertical referencing with tidal model
3.4 Results
3.5 Discussion
3.6 Conclusion
4. Coastal Tide: From the Present to the Future
4.1 Introduction
4.2 Observed trend in tidal range: The example of Hiron Point
4.3 Tidal model in the Bay of Bengal
4.4 Projected changes in tidal range in the Bengal delta
4.5 Tidal range evolution along the estuaries
4.6 Discussion
4.7 Conclusions
5. Storm Surge Modeling: A Case Study of Recent Super Cyclone Amphan
5.1 Introduction
5.2 Storm surge and inundation processes in the Bay of Bengal
5.3 Atmospheric evolution of cyclone Amphan
5.4 Storm surge model and performance
5.5 Near real-time storm surge forecasting
5.6 Discussion
5.7 Conclusions
5.8 Appendix
6. Storm Surge Hazard: A Probabilistic-Deterministic Approach
6.1 Introduction
6.2 Storm surge model
6.3 Probabilistic-deterministic cyclone ensemble
6.4 Storm surge hazard
6.5 Discussion
6.6 Conclusions and perspective
7. Conclusions and Perspectives for Future Work
7.1 Conclusion
7.2 Overview
7.3 Summary of conclusions and impacts
7.4 Future Research Perspectives
7.5 Transferrable lessons and concluding remarksNuméro de notice : 26768 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Thèse française Note de thèse : Thèse de Doctorat : Océan, Atmosphère, Climat : Toulouse : 2021 Organisme de stage : Laboratoire d'Etudes en Géophysique et Océanographie Spatiales LEGOS nature-HAL : Thèse DOI : sans Date de publication en ligne : 06/01/2022 En ligne : https://tel.hal.science/tel-03514722/ Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=99866 Geospatial analysis of September, 2019 floods in the lower gangetic plains of Bihar using multi-temporal satellites and river gauge data / C.M. Bhatt in Geomatics, Natural Hazards and Risk, vol 12 n° 1 (2021)
[article]
Titre : Geospatial analysis of September, 2019 floods in the lower gangetic plains of Bihar using multi-temporal satellites and river gauge data Type de document : Article/Communication Auteurs : C.M. Bhatt, Auteur ; Amitesh Gupta, Auteur ; Arijit Roy, Auteur ; et al., Auteur Année de publication : 2021 Article en page(s) : pp 84 - 102 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes IGN] cartographie des risques
[Termes IGN] crue
[Termes IGN] données spatiotemporelles
[Termes IGN] Gange (fleuve)
[Termes IGN] humidité du sol
[Termes IGN] image Aqua-AMSR
[Termes IGN] image Aqua-MODIS
[Termes IGN] image radar moirée
[Termes IGN] image Sentinel-SAR
[Termes IGN] image Terra-MODIS
[Termes IGN] Inde
[Termes IGN] inondation
[Termes IGN] précipitationRésumé : (auteur) During late September, 2019 Bihar was struggling with severe flooding problem, which otherwise is marked as a period of flood recession due to withdrawal of south-east monsoons. The present study assess the flood situation using Sentinel-1 SAR images and complements the understanding about the flood event using long term (2000-18) multi-temporal space based flood sensitive proxy indicators like precipitation (GPM), soil moisture (AMSR-2), vegetation condition (MODIS) together with ground based river gauge (CWC) data. The study reveals that in 2019 during the 39th week of the year (late September) the central and eastern parts of Bihar witnessed heavy precipitation (176 percent higher than average), leading to enhanced soil moisture build up (19 percent higher than average) and consequently triggering severe flooding. River Ganga was observed to be flowing above danger level for almost two weeks. Due to the prolonged submergence by floodwaters a significant drop was observed in the NDVI and EVI values of about 13.7 and 11.1 percent respectively from the normal. About 8.36 lakh ha area was observed to be inundated, impacting about 9.26 million population. Patna followed by Bhagalpur were the two worst affected districts with almost 30% and 36% of districts geographical area being flooded. Numéro de notice : A2021-107 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/19475705.2020.1861113 Date de publication en ligne : 24/12/2020 En ligne : https://doi.org/10.1080/19475705.2020.1861113 Format de la ressource électronique : url article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=96904
in Geomatics, Natural Hazards and Risk > vol 12 n° 1 (2021) . - pp 84 - 102[article]
Titre : Hydrology Type de document : Monographie Auteurs : Theodore V. Hromadka II, Éditeur scientifique ; Prasada Rao, Éditeur scientifique Editeur : London [UK] : IntechOpen Année de publication : 2021 Importance : 122 p. Format : 19 x 27 cm ISBN/ISSN/EAN : 978-1-83962-331-8 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Hydrologie
[Termes IGN] barrage
[Termes IGN] changement climatique
[Termes IGN] crue
[Termes IGN] gestion de l'eau
[Termes IGN] hydrodynamique
[Termes IGN] hydrogéologie
[Termes IGN] inondation
[Termes IGN] modèle hydrographique
[Termes IGN] précipitation
[Termes IGN] sécheresseRésumé : (éditeur) In this book, an attempt is made to highlight the recent advances in Hydrology. The several topics examined in this book form the underpinnings of larger-scale considerations, including but not limited to topics such as large-scale hydrologic processes and the evolving field of Critical Zone Hydrology. Computational modeling, data collection, and visualization are additional subjects, among others, examined in the set of topics presented. Note de contenu : 1- Hydrometeorology: Review of past, present and future of methods
2- Perspectives of hydrologic modeling in agricultural research
3- Examination of hydrologic computer programs DHM and EDHM
4- Ecohydrology: An integrative sustainability science
5- Interlinking of river: Issues and challenges
6- Rivers of Lebanon: Significant water resources under threats
7- Statistical analysis of the precipitation isotope data with reference to the Indian subcontinentNuméro de notice : 28319 Affiliation des auteurs : non IGN Nature : Recueil / ouvrage collectif DOI : 10.5772/intechopen.87673 En ligne : https://doi.org/10.5772/intechopen.87673 Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=98254
Titre : Land use planning for natural hazards Type de document : Monographie Auteurs : George D. Bathrellos, Éditeur scientifique ; Hariklia D. Skilodimou, Auteur Editeur : Bâle [Suisse] : Multidisciplinary Digital Publishing Institute MDPI Année de publication : 2021 Importance : 106 p. Format : 16 x 24 cm ISBN/ISSN/EAN : 978-3-03943-926-3 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Analyse spatiale
[Termes IGN] carte thématique
[Termes IGN] cartographie des risques
[Termes IGN] croissance urbaine
[Termes IGN] dégradation des sols
[Termes IGN] désertification
[Termes IGN] effondrement de terrain
[Termes IGN] érosion
[Termes IGN] géomorphologie
[Termes IGN] Grèce
[Termes IGN] inondation
[Termes IGN] montée du niveau de la mer
[Termes IGN] Népal
[Termes IGN] orage
[Termes IGN] planification
[Termes IGN] réseau de drainage
[Termes IGN] risque naturel
[Termes IGN] surveillance du littoral
[Termes IGN] système d'information géographique
[Termes IGN] utilisation du solRésumé : (éditeur) Natural hazard events are able to significantly affect the natural and artificial environment. In this context, changes in landforms due to natural disasters have the potential to affect and, in some cases, even restrict human interaction with the ecosystem. In order to minimize fatalities and reduce the economic impact that accompanies their occurrence, proper planning is crucial. Land use planning can play an important role in reducing current and future risks related to natural hazards. Land use changes can lead to natural hazards and vice versa: natural hazards affect land uses. Therefore, planners may take into account areas that are susceptible to natural hazards when selecting favorable locations for land use development. Appropriate land use planning can lead to the determination of safe and non-safe areas for urban activities. This Special Issue focuses on land use planning for natural hazards. In this context, various types of natural hazards, such as land degradation and desertification, coastal hazard, floods, and landslides, as well as their interactions with human activities, are presented. Note de contenu : 1- Combating land degradation and desertification: The land-use planning quandary
2- Coastal hazard vulnerability assessment based on geomorphic, oceanographic and demographic parameters: The case of the Peloponnese (Southern Greece)
3- Temporal and spatial analysis of flood occurrences in the drainage basin of Pinios River (Thessaly, Central Greece)
4- Flood hazard mapping of a rapidly urbanizing city in the foothills (Birendranagar, Surkhet) of Nepal
5- Physical and anthropogenic factors related to landslide activity in the Northern Peloponnese, GreeceNuméro de notice : 28441 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Recueil / ouvrage collectif DOI : 10.3390/books978-3-03943-926-3 En ligne : https://doi.org/10.3390/books978-3-03943-926-3 Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=98892 Optimisations cartographiques pour la gestion des crises et des risques majeurs : le cas de la cartographie des dommages post-catastrophes / Thomas Candela (2021)PermalinkPrecipitation frequency in MED and EURO-CORDEX ensembles from 0.44° to convective permitting resolution: what explains the differences? / Minh Ha-Truong (2021)PermalinkRapport d'activité 2020 de l'Institut National de l'Information Géographique et Forestière IGN, 1. Activité / Institut national de l'information géographique et forestière (2012 -) (2021)PermalinkPermalinkRemotely-sensed rip current dynamics and morphological control in high-energy beach environments / Isaac Rodriguez Padilla (2021)PermalinkTopographic, edaphic and climate influences on aspen (Populus tremuloides) drought stress on an intermountain bunchgrass prairie / Andrew Neary in Forest ecology and management, vol 479 ([01/01/2021])PermalinkVariations of precipitable water vapor using GNSS CORS in Thailand / Chokchai Trakolkul in Survey review, vol 53 n°376 (January 2021)PermalinkIntercomparisons of precipitable water vapour derived from radiosonde, GPS and sunphotometer observations / Shaoqi Gong in Geodetski vestnik, vol 64 n° 4 (December 2020 - February 2021)PermalinkThe effect of different sampling schemes on estimation precision of snow water equivalent (SWE) using geostatistics techniques in a semi-arid region of Iran / Hojatolah Ganjkhanlo in Geocarto international, vol 35 n° 16 ([01/12/2020])PermalinkThe utility of fused airborne laser scanning and multispectral data for improved wind damage risk assessment over a managed forest landscape in Finland / Ranjith Gopalakrishnan in Annals of Forest Science, vol 77 n° 4 (December 2020)Permalink