Magnetoseismology [[electronic resource] ] : ground-based remote sensing of Earth's magnetosphere / / Frederick W. Menk and Colin L. Waters

• Record Nr.: UNINA9910141797003321
• Autore: Menk Frederick W
• Pubbl/distr/stampa: Weinheim, : Wiley-VCH, c2013
• ISBN: 3-527-65207-8; 3-527-65205-1; 3-527-65208-6
• Descrizione fisica: 1 online resource (281 p.)
• Altri autori (Persone): WatersColin L
• Disciplina: 538.766
• Soggetti: Magnetosphere; Magnetospheric physics; Electronic books.
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Note generali: Description based upon print version of record.
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: Magnetoseismology: Ground-based remote sensing of the Earth's magnetosphere; Contents; Preface; Color Plates; 1 Introduction; 1.1 Purpose of This Book; 1.2 The Solar Wind; 1.3 Fluctuations in the Solar Wind; 1.4 Early Observations of Geomagnetic Variations; 1.5 Properties of Geomagnetic Variations; 2 The Magnetosphere and Ionosphere; 2.1 The Geomagnetic Field; 2.2 Structure of Earth's Magnetosphere; 2.3 Magnetospheric Current Systems; 2.3.1 Magnetopause Current; 2.3.2 Tail Current and Reconnection; 2.3.3 Ring Current; 2.3.4 Field-Aligned Currents; 2.3.5 Ionospheric Currents; 2.4 The Radiation Belts2.5 The Inner Magnetosphere; 2.6 Formation and Properties of the Ionosphere; 2.7 Geomagnetic Disturbances; 2.8 Space Weather Effects; 3 ULF Plasma Waves in the Magnetosphere; 3.1 Basic Properties of a Plasma; 3.2 Particle Motions; 3.2.1 Motions of Isolated Charged Particles; 3.2.2 First Adiabatic Invariant; 3.2.3 Second Adiabatic Invariant; 3.2.4 Third Adiabatic Invariant; 3.3 Low-Frequency Magnetized Plasma Waves; 3.3.1 Equations of Linear MHD; 3.3.2 The Wave Equation; 3.4 The Shear Alfv en Mode in a Dipole Magnetic Field; 3.4.1 Toroidal Oscillation of Field Lines; 3.5 MHD Wave Mode Coupling in One Dimension3.6 An Alternative Derivation of the Plasma Wave Equation, from Electromagnetism; 4 Sources of ULF Waves; 4.1 Introduction; 4.2 Exogenic Sources; 4.3 Boundary Instabilities; 4.4 Field Line Resonances; 4.5 Cavity and Waveguide Modes; 4.6 Spatially Localized Waves; 4.7 Ion Cyclotron Waves; 5 Techniques for Detecting Field Line Resonances; 5.1 Introduction; 5.2 Variation in Spectral Power with Latitude; 5.3 Variation of Phase with Latitude; 5.4 Wave Polarization Properties; 5.5 Spectral Power Difference and Division; 5.6 Single Station H/D; 5.7 Cross-Phase from Latitudinally Separated Sensors5.8 Using ULF Wave Polarization Properties; 5.9 Automated Detection Algorithms; 6 Ground-Based Remote Sensing of the Magnetosphere; 6.1 Estimating Plasma Mass Density; 6.2 Travel Time Method of Tamao; 6.3 Determining Electron Density; 6.4 Verification of Ground-Based Mass Density Measurements; 6.5 Determining Ion Concentrations; 6.6 Field-Aligned Plasma Density; 6.7 Plasma Density at Low Latitudes; 6.8 Plasma Density at High Latitudes; 7 Space Weather Applications; 7.1 Magnetospheric Structure and Density; 7.2 Plasmapause Dynamics; 7.3 Density Notches, Plumes, and Related Features7.4 Refilling of the Plasmasphere; 7.5 Longitudinal Variation in Density; 7.6 Solar Cycle Variations in Density; 7.7 Determining the Open/Closed Field Line Boundary; 7.8 Determining the Magnetospheric Topology at High Latitudes; 7.9 Wave-Particle Interactions; 7.10 Radial Motions of Flux Tubes; 8 ULF Waves in the Ionosphere; 8.1 Introduction; 8.2 Electrostatic and Inductive Ionospheres; 8.3 ULF Wave Solution for a Thin Sheet Ionosphere; 8.4 ULF Wave Solution for a Realistic Ionosphere; 8.5 FLRs and the Ionosphere; 8.6 Remote Sensing ULF Electric Fields in Space
• Sommario/riassunto: This book provides a comprehensive account of magnetoseismology - the tool to monitor space weather. Written by researcher on the forefront of this field, it conveys the physics behind the phenomena and the methods to detect and investigate them, the relevance to communication, power supply and many other critical systems. In addition, it provides computational codes for analysis and evaluation.

Advances in Multimedia Information Systems [[electronic resource] ] : 11th International Workshop, MIS 2005, Sorrento, Italy, September 19-21, 2005, Proceedings / / edited by K. Selçuk Candan, Augusto Celentano

• Record Nr.: UNISA996465378703316
• Pubbl/distr/stampa: Berlin, Heidelberg : , : Springer Berlin Heidelberg : , : Imprint : Springer, , 2005
• Edizione: [1st ed. 2005.]
• Descrizione fisica: 1 online resource (X, 230 p.)
• Collana: Information Systems and Applications, incl. Internet/Web, and HCI ; ; 3665
• Disciplina: 004
• Soggetti: Application software; Multimedia information systems; Computer communication systems; Natural language processing (Computer science); Optical data processing; Computer Applications; Multimedia Information Systems; Computer Communication Networks; Information Systems Applications (incl. Internet); Natural Language Processing (NLP); Image Processing and Computer Vision
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Note generali: Bibliographic Level Mode of Issuance: Monograph
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: Invited Talks -- What Is Interesting About Scientific Databases? -- Early Data Tailoring for Ubiquitous Information Access in Highly Dynamic Environments -- Tutorial -- Translating Images to Keywords: Problems, Applications and Progress -- Regular Papers -- One to Many 3D Face Recognition Enhanced Through k-d-Tree Based Spatial Access -- Information Retrieval from the Web: An Interactive Paradigm -- A Rule Based Approach to Message Board Topics Classification -- A Proposal for a Multimedia Data Warehouse -- An Indexing Approach for Representing Multimedia Objects in High-Dimensional Spaces Based on ; Expectation Maximization Algorithm -- The MX Formalism for Semantic Web Compatible Representation of Music Metadata -- Icon Language-Based Auxiliary Communication System Interface for Language Disorders -- Modeling Context in Haptic Perception, Rendering and Visualization -- Improving Image Annotations Using WordNet -- Intelligent Delivery of Multimedia Content in a Device Aware Ubiquitous Environment -- Context-Based Management of Multimedia Documents in 3D Navigational Environments -- A Database Model for Querying Visual Surveillance Videos by Integrating Semantic and Low-Level Features -- An Effective Overlay H.263+ Video Multicast System over the Internet -- Harmonic Block Windows Scheduling Through Harmonic Windows Scheduling -- An Evaluation Method for Video Semantic Models.
• Sommario/riassunto: This volume collects the proceedings of the 11th International Workshop on Multimedia Information Systems, MIS 2005, which was held during September 19–21, 2005 in the beautiful town of Sorrento, Italy. The MIS series of workshops started in 1995 with the aim of fostering - terdisciplinary discussions and research in all aspects of multimedia information systems, in all their diversity. Since then, in MIS workshops,issues ranging from fundamental multimedia information management research to advanced app- cations in multimedia systems related ?elds have been discussed, new systems have been reported, and the lessons learned have provided new insights into this dynamic and exciting area of computer science and engineering. As the program chairs of the MIS 2005 workshop, we note that while desi- ing an e?ective multimedia system, two complementary issues have to be taken into account: (a) the need to use appropriate technologies in acquiring, p- cessing, and delivering multimedia data which manifest themselves under very di?erent shapes; and (b) the need for modeling, indexing, querying, retrieving, mining, and visualizing data under di?erent system and device capabilities, for di?erent users. Therefore, besides the development of more traditional content management technologies, there are emerging needs to gather media from se- ing devices in the environmental context, for informedprocessingofmediabased on the current task and resources, and for making the results available to the user in the most suitable form based on the capabilities and preferences of the user.