ALBERT

Note: Griffiths, J. S. and Law, R. D. Introduction to SP519 – volcanic islands: from hazard assessment to risk mitigation Multidisciplinary approaches to understanding volcanic islands Della Seta, M., Esposito, C., Fiorucci, M., Marmoni, G. M., Martino, S., Sottili, G., Belviso, P., Carandente, A., de Vita, S., Marotta, E. and Peluso, R. Thermal monitoring to infer possible interactions between shallow hydrothermal system and slope-scale gravitational deformation of Mt Epomeo (Ischia Island, Italy) Marotta, E., Berrino, G., de Vita, S., Di Vito, M. and Camacho, A. G. Structural setting of the Ischia resurgent caldera (southern Tyrrhenian Sea, Italy) by integrated 3D gravity inversion and geological models Tramelli, A., Orazi, M., Nardone, L., Bobbio, A., Benincasa, A., Buonocunto, C., Capello, M., Caputo, A., Castellano, M., D’Auria, L., De Cesare, W., Di Filippo, A., Galluzzo, D., Gaudiosi, G., Giudicepietro, F., Liguoro, F., Lo Bascio, D., Martini, M., Martino, C., Peluso, R., Ricciolino, P., Scarpato, G., Torello, V. and Bianco, F. The seismic network of Ischia island from 1993 to 2021 Longo, M., Lazzaro, G., Caruso, C. G., Corbo, A., Sciré Scappuzzo, S., Italiano, F., Gattuso, A. and Romano, D. Hydro-acoustic signals from the Panarea shallow hydrothermal field: new inferences of a direct link with Stromboli Musacchio, M., Silvestri, M., Rabuffi, F., Buongiorno, M. F. and Falcone, S. Kılauea ̄ –Leilani 2018 lava flow delineation using Sentinel2 and Landsat8 images Tsunamis from volcanic environments Zaniboni, F., Pagnoni, G., Gallotti, G., Tinti, S. and Armigliato, A. Landslide-tsunamis along the flanks of Mount Epomeo, Ischia: propagation patterns and coastal hazard for the Campania Coasts, Italy Fornaciai, A., Favalli, M. and Nannipieri, L. Reconstruction of the 2002 tsunami at Stromboli using the non-hydrostatic WAVE model (NHWAVE) Volcanoes and society Lotteri, A., Speake, J., Kennedy, V., Wallenstein, N., Coutinho, R., Chester, D., Duncan, A., Dibben, C. and Ferreira, F. Changing hazard awareness over two decades: the case of Furnas, São Miguel (Azores) Tomasone, M., Avvisati, G., Cirillo, F., Colucci, O., Marotta, E., Fiorenza, E., Vertechi, E. and Simonetti, B. Risk management planning on a volcanic island: fear and loathing in Ischia (Italy) Index

Note: Contents Preface and acknowledgments The book website www.cambridge.org/smylie 1 Introduction and theoretical background 1.1 Scalar, vector and tensor analysis 1.2 Separation of vector fields 1.3 Vector spherical harmonics 1.4 Elasticity theory 1.5 Linear algebraic systems 1.6 Interpolation and approximation 2 Time sequence and spectral analysis 2.1 Time domain analysis 2.2 Linear optimum Wiener filters 2.3 Frequency domain analysis 2.4 Fourier series and transforms 2.5 Power spectral density estimation 2.6 Maximum entropy spectral analysis 3 Earth deformations 3.1 Equilibrium equations 3.2 The reciprocal theorem of Betti 3.3 Radial equations: spheroidal and torsional 3.4 Dynamical equations 3.5 Solutions near the geocentre 3.6 Numerical integration of the radial equations 3.7 Fundamental, regular solutions in the inner core 4 Earth's rotation: observations and theory 4.1 Reference frames 4.2 Polar motion and wobble 4.3 The dynamics of polar motion and wobble 4.4 Nutation and motion of the celestial pole 5 Earth's figure and gravitation 5.1 Historical development 5.2 External gravity and figure 5.3 Equilibrium theory of the internal figure 5.4 Gravity coupling 6 Rotating fluids and the outer core 6.1 The inertial wave equation 6.2 Dynamics of the fluid outer core 6.3 Scaling of the core equations 6.4 Compressibility and density stratification 7 The subseisniic equation and boundary conditions 7.1 The subseismic wave equation 7.2 Deformation of the shell and inner core 8 Variational methods and core modes 8.1 A subseismic variational principle 8.2 Representation of the functional 8.3 Finite element support functions 8.4 Boundary conditions and constraints 8.5 Numerical implementation and results 8.6 Rotational splitting and viscosity 8.7 A viscosity profile for the outer core 9 Static deformations and dislocation theory 9.1 The elasticity theory of dislocations 9.2 The theory for realistic Earth models 9.3 Changes in the inertia tensor and the secular polar shift Appendix A Elementary results from vector analysis A.1 Vector identities A.2 Vector calculus identities A.3 Integral theorems Appendix B Properties of Legendre functions B.1 Recurrence relations B.2 Evaluation of Legendre functions Appendix C Numerical Earth models C.1 The Earth models References Fortran index Subject index

Note: Dissertation, Gottfried Wilhelm Leibniz Universität Hannover, 2024 , 1 Introduction 1.1 Motivation and problem statemen 1.2 Research objectives and key hypotheses 1.3 Structure of the thesis 2 Theoretical background 2.1 Visual communication with maps 2.2 Route choice factors 2.3 Cartographic symbolization 2.3.1 Visual variables 2.3.1.1 Levels of organization of visual variables 2.3.1.2 ‘Original visual variables’ as proposed by Bertin 2.3.1.3 Visual variable additions 2.3.1.4 Experimental visual variables 2.3.1.5 Conjunctions of visual variables 2.3.1.6 Dynamic visual variables 2.3.2 Cartographic design tools 2.3.3 Visual metaphor 2.3.4 Cartographic generalization and map abstraction 2.3.4.1 Insights from cognitive mapping research 2.3.4.2 Elementary processes of cartographic generalization 2.3.4.3 Cartographic generalization algorithms 2.4 Nudging 2.5 Maps and emotions 2.5.1 Classifying emotions 2.5.2 Instruments for measuring emotions 2.6 Map-related usability testing 2.6.1 Types of user study designs 2.6.2 Statistical analysis of user survey results 2.6.2.1 Descriptive statistics 2.6.2.2 Basic statistical tests and models 2.6.2.3 Sophisticated statistical models for non-parametric data 2.6.2.4 Statistical significance 2.6.2.5 Main effect and post-hoc tests 2.6.2.6 Effect sizes 2.6.2.7 Inter-rater reliability 2.6.2.8 Software for statistical analysis 3 Related work 3.1 Visual route communication using visual variables 3.2 Cartographic generalization for route map communication 3.3 Map-based visualization of environmental hazards 3.4 The role of emotions in map-based communication 3.5 Research gap addressed in this thesis 4 Framework and data preprocessing 4.1 Research framework 4.2 Scenarios 4.2.1 Traffic 4.2.2 Air quality 4.3 Routing 4.3.1 Data basis for route calculation 4.3.2 Calculation of favorable routes 4.3.3 Routing results 5 Visualization concepts for designing ‘social’ route maps 5.1 Map symbols 5.2 Data-based calculation of graphical differences in symbolization 5.3 Visually modified geometry 5.3.1 Line distortion and simplification 5.3.1.1 Line distortion 5.3.1.2 Line simplification 5.3.1.3 Combined approach 5.3.1.4 Topological issues and further adaptions 5.3.2 Length distortion using PUSH 5.3.3 Application to discrete areas: Geometric deformation of risk zones 5.4 Examples of route map design variants 5.4.1 Design variants for symbolizing route favorability 5.4.2 Application of the methodology to discrete objects 6 Usability evaluation of proposed route map design variants 6.1 User study 1: Subjective usability – Attractiveness, intuitiveness and suitability of design variants 6.1.1 Sub-hypotheses 6.1.2 Study design 6.1.3 Participants 6.1.4 Results – Intuitiveness and suitability 6.1.5 Results – Attractiveness 6.1.6 Discussion and conclusion – User study 1 6.2 User study 2: Objective usability – Effectiveness of line objects for influencing route choice in the traffic scenario 6.2.1 Common design specifications in user study 2 and user study 3 6.2.2 Sub-hypotheses 6.2.3 Route maps 6.2.4 Design variants 6.2.5 Calculation of graphical differences among design variants and modification intensities 6.2.6 Study design 6.2.7 Participants 6.2.8 Results – User study 2 6.2.8.1 Influencing route choice 6.2.8.2 Decision time 6.2.8.3 Route characteristics 6.2.8.4 Map use habits 6.2.9 Discussion – User study 2 6.2.9.1 Effectiveness for influencing route choice behavior 6.2.9.2 The role of time during decision making 6.2.9.3 Relations between route choice and route characteristics 6.2.9.4 Transferability of the findings to real world applications 6.2.10 Conclusion – User study 2 6.2.11 Modification of line objects using dynamic visual variables 6.3 User study 3: Objective usability – The impact of visual communication and emotions on route choice decision making using modification of line and area objects 6.3.1 Sub-hypotheses 6.3.2 Route maps 6.3.3 Design variants 6.3.3.1 Line modifications 6.3.3.2 Area modifications 6.3.3.3 Line + area modifications 6.3.4 Study design 6.3.5 Participants 6.3.6 Results – User study 3 6.3.6.1 H1: Shift towards choosing the societally favorable route 6.3.6.2 H2: Scenario-dependent willingness to adapt route choice behavior 6.3.6.3 H3: Scenario-dependent effectiveness of symbolization dimensions 6.3.6.4 H4: Influence of combining multiple visual variables in one representation 6.3.6.5 H5: Emotional responses to map symbols 6.3.6.6 H6: Effect of emotions on route choice decision making 6.3.6.7 Helpfulness of map visualizations 6.3.6.8 Route choice strategies 6.3.6.9 Text-based sentiment analysis 6.3.6.10 Suitability of visualizations 6.3.6.11 Further factors influencing route choice 6.3.7 Discussion – User study 3 6.3.7.1 Influence of different design variants on route choice 6.3.7.2 The effect of emotions on route choice 6.3.7.3 Limitations of the study design 6.3.7.4 Outlook 6.3.8 Conclusion – User study 3 7 Interactive web-based visualization of route maps 7.1 Application architecture 7.2 User interface and functionalities 7.3 User assessment to usability of the application 7.4 Usability test – Results 7.5 Limitations and future adaptions 8 Implications of the findings 8.1 Agreement with key hypotheses 8.2 Assessment regarding successful design variants for influencing route choice towards a societally favorable route 8.3 Limitations and challenges 8.4 Suggestions for future research 8.5 Summary and contribution of the dissertation Appendix Bibliography Curriculum vitae Acknowledgments

Note: Text englisch mit englischer und deutscher Zusammenfassung