Call number:
AWI G3-19-92415
Type of Medium:
Dissertations
Pages:
VIII, 154, xv Seiten
,
Illustrationen, Diagramme, Karten
URL:
https://d-nb.info/1162860170/04
Language:
English
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
Location:
AWI Reading room
Branch Library:
AWI Library
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