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[null,"1.","Record Nr.",null,"UNINA9910557387603321"]
[null,null,"Autore",null,"Risio Marcello Di"]
[null,null,"Titolo",null,"Marine Sediments : Processes, Transport and Environmental Aspects"]
[null,null,"Pubbl/distr/stampa",null,"Basel, Switzerland, : MDPI - Multidisciplinary Digital Publishing Institute, 2020"]
[null,null,"Descrizione fisica",null,"1 online resource (122 p.)"]
[null,null,"Soggetti",null,"Research & information: general"]
[{"$nulls":4},"Kalgoorlie-Boulder (SE WA Goldfields SH51-09)"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Sommario/riassunto","In recent years, increasing attention has been paid to water quality and environmental aspects related to sediment transport, driven by both ambient forcing and human activities. Estuarine, coastal, and harbor areas often undergo operations to nourish beaches, to maintain navigation channels, and to remove contaminated sediment. Hence, much research is needed related to the sediment processes, transport, and related environmental aspects of marine sediments. The aim of this Special Issue is to exhibit novel research results in this field. Particular attention is paid to water quality and environmental aspects relating to sediment transport driven by anthropogenic activities and natural phenomena: spillover due to tidal processes, metals mobility, coastal modifications driven by extreme events and mean wave climate, sediments re-suspension and dispersion related to marine sediment handling."]
[null,"2.","Record Nr.",null,"UNINA9910300408103321"]
[null,null,"Autore",null,"Sanders Jason"]
[null,null,"Titolo",null,"Dynamics of the Milky Way : Tidal Streams and Extended Distribution Functions for the Galactic Disc / / by Jason Sanders"]
[null,null,"Pubbl/distr/stampa",null,"Cham : , : Springer International Publishing : , : Imprint : Springer, , 2015"]
[null,null,"ISBN",null,"3-319-18772-4"]
[null,null,"Edizione",null,"[1st ed. 2015.]"]
[null,null,"Descrizione fisica",null,"1 online resource (274 p.)"]
[null,null,"Collana",null,"Springer Theses, Recognizing Outstanding Ph.D. Research, , 2190-5053"]
[null,null,"Disciplina",null,"523.113"]
[null,null,"Soggetti",null,"Space sciences"]
[{"$nulls":4},"Mathematical physics"]
[{"$nulls":4},"Statistical physics"]
[{"$nulls":4},"Dynamics"]
[{"$nulls":4},"Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics)"]
[{"$nulls":4},"Theoretical, Mathematical and Computational Physics"]
[{"$nulls":4},"Complex Systems"]
[{"$nulls":4},"Statistical Physics and Dynamical Systems"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Description based upon print version of record."]
[null,null,null,"Nota di bibliografia","Includes bibliographical references."]
[null,null,"Nota di contenuto",null,"Introduction -- Angle-Action Estimation in a General Axisymmetric Potential -- Actions, Angles and Frequencies from Numerically Integrated Orbits -- Action Estimation Using a Triaxial Stäckel Approximation -- Stream-Orbit Misalignment -- Stream Modelling in Angle-Frequency Space -- Determining the Velocity Dispersion of the Thick Disc -- Extended Distribution Functions for the Galactic Disc -- Conclusions."]
[null,null,null,"Sommario/riassunto","This work presents a study of methods useful for modeling and understanding dynamical systems in the Galaxy. A natural coordinate system for the study of dynamical systems is the angle-action coordinate system. New methods for the approximation of the action-angle variables in general potentials are presented and discussed. These new tools are applied to the construction of dynamical models for two of the Galaxy’s components: tidal streams and the Galactic disc. Tidal streams are remnants of tidally stripped satellites in the Milky Way that experience the effects of the large scale structure of the "]
[{"$nulls":4},"Galactic gravitational potential, while the Galactic disc provides insights into the nature of the Galaxy near the Sun. Appropriate action-based models are presented and discussed for these components, and extended to include further information such as the metallicity of stars."]