Hydrothermal processes within the active layer above alpine permafrost in steep scree slopes and their influence on slope stability:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Zürich
Geograph. Inst. der Univ. Zürich
2008
|
| Schriftenreihe: | Schriftenreihe Physische Geographie
57 : Glaziologie und Geomorphodynamik |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XXIV, 168 Seiten Illustrationen, Diagramme, Karten |
Internformat
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| 100 | 1 | |a Rist, Armin |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Hydrothermal processes within the active layer above alpine permafrost in steep scree slopes and their influence on slope stability |c Armin Rist |
| 264 | 1 | |a Zürich |b Geograph. Inst. der Univ. Zürich |c 2008 | |
| 300 | |a XXIV, 168 Seiten |b Illustrationen, Diagramme, Karten | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 490 | 1 | |a Schriftenreihe Physische Geographie |v 57 : Glaziologie und Geomorphodynamik | |
| 502 | |b Dissertation |c Universität Zürich |d 2007 | ||
| 546 | |a Zsfassung in dt. Sprache | ||
| 650 | 4 | |a Global warming | |
| 650 | 4 | |a Meltwater |z Switzerland |z Alps, Swiss | |
| 650 | 4 | |a Permafrost |z Switzerland |z Alps, Swiss | |
| 650 | 4 | |a Slopes (Soil mechanics) |x Stability | |
| 650 | 4 | |a Talus (Geology) |z Switzerland |z Alps, Swiss | |
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Datensatz im Suchindex
| _version_ | 1804138075076427779 |
|---|---|
| adam_text | Contents
Contents
Abstract
......................................................................................................................................
і
Zusammenfassung...................................................................................................................
iii
Acknowledgements
...................................................................................................................
v
Contents
...................................................................................................................................
vii
List of figures
...........................................................................................................................ix
List of tables
..........................................................................................................................xvii
List of abbreviations
..............................................................................................................xix
List of symbols
........................................................................................................................xx
Latin symbols
....................................................................................................................xx
Greek symbols
................................................................................................................xxiii
1
Introduction
...................................................................................................................1
1.1
State of research
.........................................................................................................1
1.1.1 Hydrothermal
regime of the active layer in debris slopes
................................1
1.1.2
Slope stability of the active layer in debris slopes
...........................................6
1.2
Motivation
................................................................................................................16
1.3
Hypothesis
...............................................................................................................17
1.4
Objectives
................................................................................................................19
2
Field investigations
......................................................................................................21
2.1
Study site
.................................................................................................................21
2.2
Field methods
...........................................................................................................23
2.2.1
Field research infrastructure
...........................................................................23
2.2.2
Field measuring array
.....................................................................................23
2.2.3
Measurements in detail
...................................................................................26
2.3
Field results and interpretation
................................................................................28
2.3.1
Meteorological conditions
..............................................................................28
2.3.2
Hydrological ground parameters
....................................................................29
2.3.3
Thermal ground parameters
...........................................................................35
2.3.4
Geotechnical parameters
................................................................................45
2.4
Discussion of field investigations
............................................................................47
2.4.1
Water balance
.................................................................................................47
2.4.2
Heat balance
...................................................................................................50
2.4.3
Relation between water and heat balance
......................................................51
vii
Contents
2.4.4
Suitability of measuring equipment and reliability of data
............................52
2.4.5
Relevance of results in context of climate change
.........................................52
2.5
Summary of field investigations
..............................................................................53
3
Laboratory experiments
.............................................................................................54
3.1
Analysis of granular materials
.................................................................................54
3.2
Development of inclinable shear apparatus
.............................................................56
3.2.1
Requirements
..................................................................................................56
3.2.2
Solution
..........................................................................................................56
3.2.3
Construction
...................................................................................................57
3.3
Systematic 4-factorial screening shear test series
....................................................58
3.3.1
Methods of systematic shear test series
..........................................................58
3.3.2
Results and analysis of systematic shear test series
.......................................85
3.3.3
Discussion of systematic shear test series
....................................................106
3.3.4
Summary of systematic shear test series
......................................................109
3.4
Physical simulation of thaw-induced failure of the active layer
............................110
3.4.1
Methods for simulation of thaw-induced active layer failure
......................110
3.4.2
Results of simulation of thaw-induced active layer failure
..........................120
3.4.3
Discussion of simulation of thaw-induced active layer failure
....................139
3.4.4
Summary of simulation of thaw-induced active layer failure
......................147
3.5
Comparison of systematic shear tests and failure simulation
................................148
4
Integral discussion of field and laboratory investigations
.....................................149
4.1
Implications of the laboratory simulation for the field study site
..........................149
4.2
Implications of the shear test series for the field in general
..................................150
5
Conclusions
................................................................................................................153
6
Outlook
.......................................................................................................................154
References
.............................................................................................................................155
Curriculum
Vitae
.................................................................................................................168
Vlil
|
| adam_txt |
Contents
Contents
Abstract
.
і
Zusammenfassung.
iii
Acknowledgements
.
v
Contents
.
vii
List of figures
.ix
List of tables
.xvii
List of abbreviations
.xix
List of symbols
.xx
Latin symbols
.xx
Greek symbols
.xxiii
1
Introduction
.1
1.1
State of research
.1
1.1.1 Hydrothermal
regime of the active layer in debris slopes
.1
1.1.2
Slope stability of the active layer in debris slopes
.6
1.2
Motivation
.16
1.3
Hypothesis
.17
1.4
Objectives
.19
2
Field investigations
.21
2.1
Study site
.21
2.2
Field methods
.23
2.2.1
Field research infrastructure
.23
2.2.2
Field measuring array
.23
2.2.3
Measurements in detail
.26
2.3
Field results and interpretation
.28
2.3.1
Meteorological conditions
.28
2.3.2
Hydrological ground parameters
.29
2.3.3
Thermal ground parameters
.35
2.3.4
Geotechnical parameters
.45
2.4
Discussion of field investigations
.47
2.4.1
Water balance
.47
2.4.2
Heat balance
.50
2.4.3
Relation between water and heat balance
.51
vii
Contents
2.4.4
Suitability of measuring equipment and reliability of data
.52
2.4.5
Relevance of results in context of climate change
.52
2.5
Summary of field investigations
.53
3
Laboratory experiments
.54
3.1
Analysis of granular materials
.54
3.2
Development of inclinable shear apparatus
.56
3.2.1
Requirements
.56
3.2.2
Solution
.56
3.2.3
Construction
.57
3.3
Systematic 4-factorial screening shear test series
.58
3.3.1
Methods of systematic shear test series
.58
3.3.2
Results and analysis of systematic shear test series
.85
3.3.3
Discussion of systematic shear test series
.106
3.3.4
Summary of systematic shear test series
.109
3.4
Physical simulation of thaw-induced failure of the active layer
.110
3.4.1
Methods for simulation of thaw-induced active layer failure
.110
3.4.2
Results of simulation of thaw-induced active layer failure
.120
3.4.3
Discussion of simulation of thaw-induced active layer failure
.139
3.4.4
Summary of simulation of thaw-induced active layer failure
.147
3.5
Comparison of systematic shear tests and failure simulation
.148
4
Integral discussion of field and laboratory investigations
.149
4.1
Implications of the laboratory simulation for the field study site
.149
4.2
Implications of the shear test series for the field in general
.150
5
Conclusions
.153
6
Outlook
.154
References
.155
Curriculum
Vitae
.168
Vlil |
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| spelling | Rist, Armin Verfasser aut Hydrothermal processes within the active layer above alpine permafrost in steep scree slopes and their influence on slope stability Armin Rist Zürich Geograph. Inst. der Univ. Zürich 2008 XXIV, 168 Seiten Illustrationen, Diagramme, Karten txt rdacontent n rdamedia nc rdacarrier Schriftenreihe Physische Geographie 57 : Glaziologie und Geomorphodynamik Dissertation Universität Zürich 2007 Zsfassung in dt. Sprache Global warming Meltwater Switzerland Alps, Swiss Permafrost Switzerland Alps, Swiss Slopes (Soil mechanics) Stability Talus (Geology) Switzerland Alps, Swiss Geröll (DE-588)4156896-5 gnd rswk-swf Schweiz Schweizer Alpen Ost (DE-588)4288992-3 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Schweizer Alpen Ost (DE-588)4288992-3 g Geröll (DE-588)4156896-5 s DE-604 Schriftenreihe Physische Geographie 57 : Glaziologie und Geomorphodynamik (DE-604)BV026608940 57 Digitalisierung UB Passau application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=016771587&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Rist, Armin Hydrothermal processes within the active layer above alpine permafrost in steep scree slopes and their influence on slope stability Schriftenreihe Physische Geographie Global warming Meltwater Switzerland Alps, Swiss Permafrost Switzerland Alps, Swiss Slopes (Soil mechanics) Stability Talus (Geology) Switzerland Alps, Swiss Geröll (DE-588)4156896-5 gnd |
| subject_GND | (DE-588)4156896-5 (DE-588)4288992-3 (DE-588)4113937-9 |
| title | Hydrothermal processes within the active layer above alpine permafrost in steep scree slopes and their influence on slope stability |
| title_auth | Hydrothermal processes within the active layer above alpine permafrost in steep scree slopes and their influence on slope stability |
| title_exact_search | Hydrothermal processes within the active layer above alpine permafrost in steep scree slopes and their influence on slope stability |
| title_exact_search_txtP | Hydrothermal processes within the active layer above alpine permafrost in steep scree slopes and their influence on slope stability |
| title_full | Hydrothermal processes within the active layer above alpine permafrost in steep scree slopes and their influence on slope stability Armin Rist |
| title_fullStr | Hydrothermal processes within the active layer above alpine permafrost in steep scree slopes and their influence on slope stability Armin Rist |
| title_full_unstemmed | Hydrothermal processes within the active layer above alpine permafrost in steep scree slopes and their influence on slope stability Armin Rist |
| title_short | Hydrothermal processes within the active layer above alpine permafrost in steep scree slopes and their influence on slope stability |
| title_sort | hydrothermal processes within the active layer above alpine permafrost in steep scree slopes and their influence on slope stability |
| topic | Global warming Meltwater Switzerland Alps, Swiss Permafrost Switzerland Alps, Swiss Slopes (Soil mechanics) Stability Talus (Geology) Switzerland Alps, Swiss Geröll (DE-588)4156896-5 gnd |
| topic_facet | Global warming Meltwater Switzerland Alps, Swiss Permafrost Switzerland Alps, Swiss Slopes (Soil mechanics) Stability Talus (Geology) Switzerland Alps, Swiss Geröll Schweiz Schweizer Alpen Ost Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=016771587&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV026608940 |
| work_keys_str_mv | AT ristarmin hydrothermalprocesseswithintheactivelayerabovealpinepermafrostinsteepscreeslopesandtheirinfluenceonslopestability |