ALBERT

Note: Zugl.: Berlin, Akad. d. Wiss. d. DDR, Diss. B, 1988

Note: Potsdam, Hochschule, Diss., 1987

Note: Berlin, Akad. d. Wiss. d. DDR, Diss., 1987

Note: Contents: 1 Introduction. - 1.1 Chapter Summary. - 1.2 The Meaning of the Book’s Title. - 1.3 Historical Background. - 1.4 How to Read This Book. - 1.5 Further Reading. - References. - PART 1 BASIC THEORETICAL CONCEPTS. - 2 Discrete-Time Signals and Systems. - 2.1 Chapter Summary. - 2.2 Basic Definitions and Concepts. - 2.3 Discrete-Time Signals: Sequences. - 2.3.1 Basic Sequence Operations. - 2.3.2 Basic Sequences. - 2.3.3 Deterministic and Random Signals. - 2.4 Linear Time-Invariant (LTI) Systems. - 2.4.1 Impulse Response of an LTI System and Linear Convolution. - 2.4.2 An Example of Linear Convolution. - 2.4.3 Interconnections of LTI Systems. - 2.4.4 Effects of Stability and Causality Constraints on the Impulse Response of an LTI System. - 2.4.5 Finite (FIR) and Infinite (IIR) Impulse Response Systems. - 2.4.6 Linear Constant-Coefficient Difference Equation (LCCDE). - 2.4.7 Examples of LCCDE. - 2.4.8 The Solutions of an LCCDE. - 2.4.9 From the LCCDE to the Impulse Response: Examples. - 2.4.10 Eigenvalues and Eigenfunctions of LTI Systems. - References. - 3 Transforms of Discrete-Time Signals. - 3.1 Chapter Summary. - 3.2 z-Transform. - 3.2.1 Examples of z-Transforms and Special Cases. - 3.2.2 Rational z-Transforms. - 3.2.3 Inverse z-Transform. - 3.2.4 The z-Transform on the Unit Circle. - 3.2.5 Selected z-Transform Properties. - 3.2.6 Transfer Function of an LTI System. - 3.2.7 Output Sequence of an LTI System. - 3.2.8 Zeros and Poles: Forms for Rational Transfer Functions. - 3.2.9 Inverse System. - 3.3 Discrete-Time Fourier Transform (DTFT). - 3.3.1 An Example of DTFT Converging in the Mean-Square Sense. - 3.3.2 Line Spectra. - 3.3.3 Inverse DTFT. - 3.3.4 Selected DTFT Properties. - 3.3.5 The DTFT of a Finite-Length Causal Sequence. - 3.4 Discrete Fourier Series (DFS). - 3.4.1 Selected DFS Properties. - 3.4.2 Sampling in the Frequency Domain and Aliasing in the Time Domain. - 3.5 Discrete Fourier Transform (DFT). - 3.5.1 The Inverse DFT in Terms of the Direct DFT. - 3.5.2 Zero Padding. - 3.5.3 Selected DFT Properties. - 3.5.4 Circular Convolution Versus Linear Convolution. - 3.6 Fast Fourier Transform (FFT). - 3.7 Discrete Trigonometric Expansion. - 3.8 Appendix: Mathematical Foundations of Signal Representation. - 3.8.1 Vector Spaces. - 3.8.2 Inner Product Spaces. - 3.8.3 Bases in Vector Spaces. - 3.8.4 Signal Representation by Orthogonal Bases. - 3.8.5 Signal Representation by Standard Bases. - 3.8.6 Frames and Biorthogonal Bases. - 3.8.7 Summary and Complements. - References. - 4 Sampling of Continuous-Time Signals. - 4.1 Chapter Summary. - 4.2 Sampling Theorem. - 4.3 Reconstruction of a Continuous-Time Signal from Its Samples. - 4.4 Aliasing in the Frequency Domain and Anti-Aliasing Filter. - 4.5 The Uncertainty Principle for the Analog Fourier Transform. - 4.6 Support of a Continuous-Time Signal in the Time and Frequency Domains. - 4.7 Appendix: Analog and Digital Frequency Variables. - References. - 5 Spectral Analysis of Deterministic Discrete-Time Signals. - 5.1 Chapter Summary. - 5.2 Issues in Practical Spectral Analysis. - 5.2.1 The Effect of Windowing. - 5.2.2 The Effect of Spectral Sampling. - 5.3 Classical Windows. - 5.4 The Kaiser Window. - 5.5 Energy and Power Signals and Their Spectral Representations. - 5.6 Correlation of Deterministic Discrete-Time Signals. - 5.6.1 Correlation of Energy Signals. - 5.6.2 Correlation of Power Signals. - 5.6.3 Effect of an LTI System on Correlation Properties of Input and Output Signals. - 5.7 Wiener-Khinchin Theorem. - 5.7.1 Energy Signals and Energy Spectrum. - 5.7.2 Power Signals and Power Spectrum. - References. - PART 2 DIGITAL FILTERS. - 6 Digital Filter Properties and Filtering Implementation. - 6.1 Chapter Summary. - 6.2 Frequency-Selective Filters. - 6.3 Real-Causal-Stable-Rational (RCSR) Filters. - 6.4 Amplitude Response. - 6.5 Phase Response. - 6.5.1 Phase Discontinuities and Zero-Phase Response. - 6.5.2 Linear Phase (LP). - 6.5.3 Generalized Linear Phase (GLP). - 6.5.4 Constraints on GLP Filters. - 6.6 Digital Filtering Implementation. - 6.6.1 Direct Forms. - 6.6.2 Transposed-Direct Forms. - 6.6.3 FIR Direct and Transposed-Direct Forms. - 6.6.4 Direct and Transposed-Direct Forms for LP FIR Filters. - 6.6.5 Cascade and Parallel Forms. - 6.7 Zero-Phase Filtering. - 6.8 An Incorrect Approach to Filtering. - 6.9 Filtering After Downsampling. - 6.9.1 Theory of Downsampling. - 6.9.2 An Example of Filtering After Downsampling. - References. - 7 FIR Filter Design. - 7.1 Chapter Summary. - 7.2 Design Process. - 7.3 Specifications of Digital Filters. - 7.3.1 Constraints on the Magnitude Response. - 7.3.2 Constraints on the Phase Response. - 7.4 Selection of Filter Type: IIR or FIR?. - 7.5 FIR-Filter Design Methods and Approximation Criteria. - 7.6 Properties of GLP FIR Filters. - 7.6.1 Factorization of the Zero-Phase Response. - 7.6.2 Zeros of the Transfer Function. - 7.6.3 Another Form of the Adjustable Term. - 7.7 Equiripple FIR Filter Approximations: Minimax Design. - 7.8 Predicting the Minimum Filter Order. - 7.9 MPR Algorithm. - 7.10 Properties of Equiripple FIR Filters. - 7.11 The Minimax Method for Bandpass Filters. - References. - 8 IIR Filter Design. - 8.1 Chapter Summary. - 8.2 Design Process. - 8.3 Lowpass Analog Filters. - 8.3.1 Laplace Transform. - 8.3.2 Transfer Function and Design Parameters. - 8.4 Butterworth Filters. - 8.5 Chebyshev Filters. - 8.5.1 Chebyshev-I Filters. - 8.5.2 Chebyshev-II Filters. - 8.6 Elliptic Filters. - 8.7 Normalized and Non-normalized Filters. - 8.8 Comparison Among the Four Analog Filter Types. - 8.9 From the Analog Lowpass Filter to the Digital One. - 8.9.1 Bilinear Transformation. - 8.9.2 Design Procedure. - 8.9.3 Examples. - 8.10 Frequency Transformations. - 8.10.1 From a Lowpass to a Highpass Filter. - 8.10.2 From a Lowpass to a Bandpass Filter. - 8.10.3 From a Lowpass to a Bandstop Filter . - 8.11 Direct Design of IIR Filters. - 8.12 Appendix. - 8.12.1 Trigonometric Functions with Complex Argument. - 8.12.2 Elliptic Integrals. - 8.12.3 Jacobi Elliptic Functions. - 8.12.4 Landen-Gauss Transformation. - 8.12.5 Elliptic Rational Function. - References. - PART 3 SPECTRAL ANALYSIS. - 9 Statistical Approach to Signal Analysis. - 9.1 Chapter Summary. - 9.2 Preliminary Considerations. - 9.3 Random Variables. - 9.4 Ensemble Averages. - 9.5 Stationary Random Processes and Signals. - 9.6 Ergodicity. - 9.7 Wiener-Khinchin Theorem for Random Signals and Power Spectrum. - 9.8 Cross-Power Spectrum of Two Random Signals. - 9.9 Effect of an LTI System on a Random Signal. - 9.10 Estimation of the Averages of Ergodic Stationary Signals. - 9.10.1 General Concepts in Estimation Theory. - 9.10.2 Mean and Variance Estimation. - 9.10.3 Autocovariance Estimation. - 9.10.4 Cross-Covariance Estimation. - 9.11 Appendix: A Road Map to the Analysis of a Data Record. - References. - 10 Non-Parametric Spectral Methods. - 10.1 Chapter Summary. - 10.2 Power Spectrum Estimation. - 10.3 Periodogram. - 10.3.1 Bias. - 10.3.2 Variance. - 10.3.3 Examples. - 10.3.4 Variance Reduction by Band- and Ensemble-Averaging. - 10.4 Bartlett’s Method. - 10.5 Modified Periodogram. - 10.6 Welch’s Method. - 10.7 Blackman-Tukey Method. - 10.8 Statistical Significance of Spectral Peaks. - 10.9 MultiTaper Method. - 10.10 Estimation of the Cross-Power Spectrum of Two Random Signals. - 10.11 Use of the FFT in Power Spectrum Estimation. - 10.12 Power Spectrum Normalization. - References. - 11 Parametric Spectral Methods. - 11.1 Chapter Summary. - 11.2 Signals with Rational Spectra . - 11.3 Stochastic Models and Processes. - 11.3.1 Autoregressive-Moving Average (ARMA) Model. - 11.3.2 Autoregressive (AR) Model. - 11.3.3 Moving Average (MA) Model. - 11.3.4 How the AR and MA Modeling Approaches Are Theoretically Related. - 11.3.5 First-Order AR and MA Models: White, Red and Blue Noise. - 11.3.6 Higher-Order AR Models. - 11.4 The AR Approach to Spectral Estimation. - 11.5 AR Modeling and Linear Prediction. - 11.6

Note: Contents: The Theory of Externalities and Public Goods: The Lifework of Richard Cornes ; Efficiency in Contests Between Groups ; Multiple-Aggregate Games ; Strategic Coalition Formation in Global Public Good Provision ; Evolution of Consistent Conjectures in Semi-aggregative Representation of Games, with Applications to Public Good Games and Contests ; Mixed-Strategy Kant-Nash Equilibrium and Private Contributions to a Public Good ; Social Creation of Pro-social Preferences for Collective Action ; Community Size and Public Goods in Hume’s Treatise of Human Nature ; Decentralized Leadership ; Debt NeutralityWithout Altruism: Voluntary Contributions to Public Goods as ‘Operative Linkages’ ; Counterterrorism: A Public Goods Approach ; Linguistic Assimilation and Ethno-religious Conflict ; International Carbon Trade and National Taxes: Distributional Impacts of Double Regulation ; Thinking Local but Acting Global? The Interplay Between Local and Global Internalization of Externalities ; Showdown in Schönau: A Contest Case Study

Note: Chapter 1. Introduction: An Overview of Crisis Communication -- Part I. The Role of Communication in Fostering Resilience or Fomenting Resistance -- Chapter 2. Revisiting Crisis Communication and Integrating Social Media -- Chapter 3. Polluted Discourse:  Communication and Myths in a Climate of Denial -- Chapter 4. Public Perceptions of Global Warming: Understanding Survey Differences -- Chapter 5. Building Interfaces that Work: A Multi-Stakeholder Approach to Air Pollution and Climate Change Mitigation -- Part II. Before Disaster: Prediction, Preparation and Crisis Communication -- Chapter 6. Fostering Resilience in the Face of an Uncertain Future: Using Scenarios Planning to Communicate Climate Change Risks and Collaboratively Develop Adaptation Strategies -- Chapter 7. Barriers to Using Climate Information: Challenges in Communicating Probabilistic Forecasts to Decision Makers -- Chapter 8. Modeling Climate-Sensitive Disease Risk: A Decision Support Tool for Public Health Services -- Chapter 9. Shallow Landslide Hazard Mapping for Davao Oriental, Philippines Using a Deterministic GIS Model -- Part III. Mitigating Circumstances: Communicating Through Change, Uncertainty, Disaster and Recovery -- Chapter 10. Comparative Analysis of Virtual Relief Networks and Communication Channels During Disaster Recovery After a Major Flood in Galena, Alaska, Spring 2013 -- Chapter 11. Development of the Stakeholders’ Engagement Plan as a Mining Social Responsibility Practice -- Chapter 12. Controlling Environmental Crisis Messages in Uncontrollable Media Environments: The 2011 Case of Blue-Green Algae on Grand Lake O’ the Cherokees, OK -- Chapter 13. Characteristics of Extreme Monsoon Floods and Local Land Use in the Lower Mekong Basin, Cambodia -- Chapter 14. The Value of Earth Observations: Methods and Findings on the Value of Landsat  Imagery -- Part IV. Learning Forward: Advancing Climate Change Science Among Diverse Audiences -- Chapter 15. Carbon Offsets in California: Science in the Policy Development Process -- Chapter 16. Fostering Educator Resilience: Engaging the Educational Community to Address the Natural Hazards of Climate Change -- Chapter 17. Communicating Uncertainty: A Challenge for Science Communication -- Chapter 18. Science Diplomacy in the Geosciences -- Chapter 19. Stormy Seas, Rising Risks: Assessing Undisclosed Risk from Sea Level Risk and Storm Surge at Coastal U.S. Oil Refineries..

Note: Contents Part I Challenges 1 Factor X – 25 Years – “Factor X Concept” Is Essential for Achieving Sustainable Development / Harry Lehmann, Friedrich Schmidt-Bleek, and Christopher Manstein 2 Necessities for a Resource Efficient Europe / Leida Rijnhout, Magda Stoczkiewicz, and Meadhbh Bolger 3 Global Megatrends and Resource Use – A Systemic Reflection / Ullrich Lorenz, Harald Ulrik Sverdrup, and Kristin Vala Ragnarsdottir 4 Data, Indicators and Targets for Comprehensive Resource Policies / Stephan Lutter, Stefan Giljum, and Martin Bruckner 5 The Critical Raw Materials Concept: Subjective, Multifactorial and Ever-Developing / Jan Kosmol, Felix Müller, and Hermann Keßler 6 Equitable, Just Access to Natural Resources: Environmental Narratives during Worsening Climate Crises / Patrick Bond Part II Implementation Strategies 7 Circular Economy: Origins and Future Orientations / Riina Antikainen, David Lazarevic, and Jyri Seppälä 8 Financial System, and Energy and Resource Husbandry / R. Andreas Kraemer 9 Developing Resource Competence – Anchoring Resource Conservation and Efficiency in the German Education System / Carolin Baedeker, Holger Rohn, Michael Scharp, and Jaya Bowry 10 The Way from Problem Scope Towards the Vision of a Low Resource Society – The First Working Period of the Resources Commission at the German Environment Agency (KRU) / Sascha Hermann and Christa Liedtke 11 Implementing Resource Efficiency in Europe – Overview of Policies, Instruments and Targets in 32 European Countries / Paweł Kaźmierczyk 12 The Resource Nexus and Resource Efficiency: What a Nexus Perspective Adds to the Story / Raimund Bleischwitz and Michal Miedzinski 13 Germany’s Resource Efficiency Agenda: Driving Momentum on the National Level and Beyond / Reinhard Kaiser 14 Results of Three Cost-Effective, Innovative and Transferable Resource-Efficiency Instruments for Industries in the Basque Country / Ander Elgorriaga Kunze and Ignacio Quintana San Miguel 15 The Circular Economy Package of the European Union / Joachim Wuttke 16 Saving Natural Resources Through Conversion and Constructional Densification in Urban Areas: Ecological Potentials and Limits / Daniel Reißmann and Matthias Buchert 17 The Path to Degrowth for a Sustainable Society / Serge Latouche Part III Examples of Good Practice 18 Social Innovation Repair – The R.U.S.Z Case: A Systemic Approach Contributing to the Unplanned Obsolescence of Capitalism / Sepp Eisenriegler and Greta Sparer 19 Resource Efficiency in the Building Sector / Klaus Dosch 20 Eco Efficiency and Circular Production: Cases from the Netherlands’ Eastern Region / Frank A.G. den Butter and Harry A.A.M. Webers 21 An Approach to Identify Resource Patterns on a Neighborhood Level / Magnus Österbring, Leonardo Rosado, Holger Wallbaum, and Paul Gontia 22 Strategic Business Examples from Finland: The Growth of the Smartup Industry / Tuuli Kaskinen, Satu Lähteenoja, Mikael Sokero, and Iiris Suomela 23 Circular Flanders: Adaptive Policy for a Circular Economy / Sam Deckmyn 24 The 100 Companies Project Resource Efficient Practice Cases from Producing Industry / Mario Schmidt 25 Lifestyle Material Footprint of Finnish Households – Insights, Targets, Transitions / Michael Lettenmeier 26 Construction 4.0: The LifeCycle Tower and Digitalised Timber Construction / Hubert Rhomberg 27 Protect Resources, Strengthen the Economy: Good Examples for Resource Efficiency in Industry and Handicraft Businesses / Peter Jahns 28 Chemical Leasing: A Business Model to Drive Resource Efficiency in the Supply Chain / Reinhard Joas, Veronika Abraham, and Anke Joas 29 Resource Efficiency for the Manufacturing Industries – A Holistic Approach / Werner Maass, Christof Oberender, and Martin Vogt 30 Towards a Resource Efficient and Greenhouse Gas Neutral Germany 2050 / Jens Günther, Harry Lehmann, Ullrich Lorenz, David Pfeiffer, and Katja Purr 31 Pope Francis’ Encyclical Laudato Si’ as a Catalyst for Societal Transformation? Critical Remarks and Presentation of an Inspired Exemplary Project as a Driver for Sustainability / Ulrich Bartosch, Christian Meier, and Till Weyers Index

Note: Table of contents Abstract Zusammenfassung Abbreviations and nomenclatureI 1. Introduction 1.1 Scientific background 1.1.1 Permafrost and ground ice 1.1.2 Organic carbon pools and fluxes into the Arctic Ocean 1.1.3 Climate warming and permafrost thaw 1.1.4 Permafrost degradation and coastal erosion 1.1.5 Study area Yukon coast and Qikiqtaruk 1.2 Knowledge gaps 1.3 Aims and objectives 1.4 Thesis structure and author's contribution 2. Eroding permafrost coasts release low amounts of dissolved organic carbon (DOC) from ground ice into the nearshore zone of the Arctic Ocean 2.1 Abstract 2.2 Introduction 2.3 Study area 2.4 Methods 2.4.1 Field work 2.4.2 DOC concentration 2.4.3 DOC flux estimation 2.5 Results 2.5.1 Segmentation of the coast - literature synthesis 2.5.2 DOC concentration 2.5.3 DOC stocks and fluxes 2.6 Discussion 2.6.1 DOC concentrations in ground ice 2.6.2 DOC fluxes from the YC 2.6.3 DOC fluxes and the Arctic carbon budget 2.7 Conclusion and Outlook 2.8 Acknowledgements 3.Transformation of terrestrial organic matter along thermokarst-affected permafrost coasts in the Arctic 3.1 Abstract 3.2 Introduction 3.3 Study area 3.3 Methods 3.3.1 Field work 3.3.2 Sedimentology, stratigraphy, and vegetation 3.3.3 Organic matter 3.3.4 Statistics 3.3.5 Transformation of organic matter 3.3.6 Fate of organic matter in the nearshore zone 3.4 Results 3.4.1 Sedimentology, stratigraphy, and vegetation 3.4.2 Organic matter 3.4.3 C/N-ratios and δ13C 3.4.4 Biomarkers 3.5 Discussion 3.5.1 Transformation of organic matter in the disturbed zone 3.5.2 Fate of organic matter in the nearshore zone 3.5.3 Environmental impact of the RTS 3.6 Conclusion 3.7 Acknowledgements 4. Rapid greenhouse gas release from eroding permafrost coasts 4.1 Summary 4.2 Background 4.3 Study site 4.4 Sampling and incubation setup 4.5 Findings and discussion 4.6 Conclusion 4.7 Methods 4.7.1 Incubation conditions 4.7.2 Gas measurements 4.7.3 Geo- and hydrochemical analysis 4.8 Acknowledgements 5. Synthesis 5.1 Mobilization of permafrost OC pools by coastal erosion 5.2 Transformation of permafrost OM on transit from land to sea 5.3 Fate and pathways of permafrost OC in the nearshore zone 5.4 Conclusion and outlook References Appendix I: Dissolved organic carbon (DOC) in Arctic ground ice I-1 Abstract I-2 Introduction I-3 Study area and study sites I-4 Material and methods I-4-1 Laboratory analyses I-4-2 Statistical methods I-5 Results I-5-1 DOC and DIC concentrations I-5-2 Correlation matrix I-5-3 Principal components I-5-4 Univariate Tree Model (UTM) I-6 Discussion I-6-1 DOC stocks in ground ice and relevance to carbon cycling I-6-2 Carbon sequestration and origin in relation to inorganic geochemistry I-6-3 DOC mobility and quality upon permafrost degradation I-7 Conclusions and outlook I-8 Acknowledgements Appendix II: Supplementary material for Chapter 2 II-1 Supplementary table - Ground ice and geochemical data II-2 Supplementary table - Coastal segments and DOC flux Appendix III: Supplementary material for Chapter 3 III-1 Normalized Differenced Vegetation Index map III-2 Photograph of a massive ice bed in a RTS III-3 Calculation of biomarker proxies III-4 Supplementary table - Summary of geochemical data III-5 Supplementary table - Summary of statistical analysis AppendixI V: Supplementary material for Chapter 4 IV-1 Design of the incubation experiment IV-2 Photograph of a standard incubation setup IV-3 Conversion of gas amounts into mass IV-4 Total and daily aerobic CH4 production IV-5 Histogram summarizing OC losses and CO2 emissions IV-6 Supplementary table - Summary of TOC, DOC, and pH data IV-7 Supplementary table - Summary of TN, TOC/TN, and δ13C-TOC data IV-8 Supplementary table - Summary of total CO2 and CH4 production data IV-9 Supplementary table - Comparison of incubation setups IV-10 Supplementary table - Summary of daily CO2 production data IV-11 Supplementary table - Summary of daily CH4 production data Acknowledgements-Danksagung

Note: Contents Volume 1 Part I Natural Science Basics 1 Introduction into Physical Oceanography / Rebecca Hummels 2 Ecological Organization of the Sea / Birte Matthiessen, Franziska Julie Werner, and Matthias Paulsen 3 Marine Ecosystem Services / Markus Salomon and Henriette Dahms Part II Impacts of Sectoral Marine Activities 4 Impact of Fishing Activities on Marine Life / Gerd Kraus and Rabea Diekmann 5 Mariculture / Thomas A. Wilding, Kenneth D. Black, Steven Benjamins, and Iona Campbell 6 Shipping / Alan Simcock 7 Impacts of Coastal Developments on Ecosystems / Christian Winter 8 Offshore Oil and Gas Production and Transportation / Stanislav Patin 9 Exploitation of Offshore Wind Energy / Jens Lüdeke 10 Dredging for Navigation, for Environmental Cleanup, and for Sand/Aggregates / Craig Vogt, Eugene Peck, and Gregory Hartman 11 Environmental Risks of Deep-sea Mining / Philip P. E. Weaver, David S. M. Billett, and Cindy L. Van Dover 12 Dumped Chemical Weapons / Jacek Bełdowski 13 Marine Climate Engineering / David P. Keller Part III Impacts of Land-Based Activities 14 Agriculture / Oene Oenema, Qian Liu, and Jingmeng Wang 15 Land-Based Industries / Elisabeth Schmid 16 Land-Based Wastewater Management / Stephan Koester 17 Tourism / Alan Simcock Part IV Pollution from Diffuse Sources 18 Climate Change: Warming Impacts on Marine Biodiversity / Helmut Hillebrand, Thomas Brey, Julian Gutt, Wilhelm Hagen, Katja Metfies, Bettina Meyer, and Aleksandra Lewandowska 19 Ocean Acidification / Peter Thor and Sam Dupont 20 Pollution with Hazardous Substances / Katja Broeg and Norbert Theobald 21 Pollution with Radioactive Substances / Hartmut Nies 22 Eutrophication / Justus E. E. van Beusekom 23 Marine Litter / Stefanie Werner and Aleke Stöfen O’Brien 24 Input of Energy/Underwater Sound / Olaf Boebel, Elke Burkhardt, and Ilse van Opzeeland 25 Introduction of Non-indigenous Species / Ralph Kuhlenkamp and Britta Kind

Note: Table of contents Abstract Zusammenfassung 1 Motivation 2 Introduction 2.1 Arctic climate changes and their impacts on Coastal processes 2.2 Shoreline retreat along Arctic coasts 2.3 Impacts of Coastal erosion 2.3.1 Material fluxes 2.3.2 Retrogressive thaw slumps 2.3.3 Socio-economic impacts 2.4 Objectives 2.5 Study area 2.6 Thesis structure 2.7 Authors’ contributions 3 Variability in rates of Coastal change along the Yukon coast, 1951 to 2015 3.1 Introduction 3.2 Study Area 3.3 Data and Methods 3.3.1 Remote sensing data 3.3.2 Field survey data 3.3.3 Classification of shoreline 3.3.4 Transect-wise analyses of shoreline movements through time 3.4 Results 3.4.1 Temporal variations in shoreline change rates 3.4.2 Alongshore rates of change 3.4.3 Shoreline dynamics along field sites 3.4.4 Dynamics of lagoons, barrier Islands and spits (gravel features) 3.4.5 Yukon Territory land loss 3.5 Discussion 3.5.1 Temporal variations in shoreline change rates 3.5.2 Alongshore rates of change 3.5.3 Dynamics of lagoons, barrier Islands, and spits (gravel features) 3.5.4 Expected shoreline changes as a consequence of future climate warming 3.6 Conclusions Context 4 Coastal erosion of permafrost Solls along the Yukon Coastal Plain and Kuxes oforganic carbon to the Canadian Beaufort Sea 4.1 Introduction 4.2 Study Area 4.3 Methods 4.3.1 Sample collection and laboratory analyses 4.3.2 Soll organic carbon determinations 4.3.3 Flux of organic soil carbon and Sediments 4.3.4 Fate of the eroded soil organic carbon 4.4 Results 4.4.1 Ground lce 4.4.2 Organic carbon contents 4.4.3 Material fluxes 4.5 Discussion 4.5.1 Ground lce 4.5.2 Organic carbon contents 4.5.3 Material fluxes 4.5.4 Organic carbon in nearshore Sediments 4.6 Conclusion Context 5 Terrain Controls on the occurrence of Coastal retrogressive thaw slumpsalong the Yukon Coast, Canada 5.1 Introduction 5.2 Study Area 5.3 Methods 5.3.1 Mapping of RTSs and landform Classification 5.3.2 Environmental variables 5.3.3 Univariate regression trees 5.4 Results 5.4.1 Characteristics of RTS along the coast 5.4.2 Density and areal coverage od RTSs along the Yukon Coast 5.5 Discussion 5.5.1 Characteristics and distribution of RTSs along the Yukon Coast 5.5.2 Terrain factors explaining RTS occurrence 5.5.3 Coastal processes 5.6 Conclusions Context 6 Impacts of past and fiiture Coastal changes on the Yukon coast - threats forcultural sites, infrastructure and travel routes 6.1 Introduction 6.2 Study Area 6.3 Methods 6.3.1 Data for shoreline projections 6.3.2 Shoreline projection for the conservative scenario (S1) 6.3.3 Shoreline Projection for the dynamic scenario (S2) 6.3.4 Positioning and characterizing of cultural sites 6.3.5 Calculation of losses under the S1 and S2 scenarios 6.3.6 Estimation of future dynamics in very dynamic areas 6.4 Results and discussion 6.4.1 Past and future shoreline change rates 6.4.2 Cultural sites 6.4.3 Infrastructure and travel routes 6.5 Conclusions 7 Discussion 7.1 The importance of understanding climatic drivers of Coastal changes 7.2 The influence of shoreline change rates on retrogressive thaw slump activity 7.3 On the calculation of carbon fluxes from Coastal erosion along the Yukon coast 7.4 Impacts of present and future Coastal erosion on the natural and human environment 7.5 Synthesis 8 Summary and Conclusions Bibliography Supporting Material Data Set ds01 Table S1 Table S3 Abbreviations and Nomendature Acknowledgements