Modeling soil erosion and reservoir sedimentation at hillslope and catchment scale in semi-arid Burkina Faso:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Bonn
ZEF
2011
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| Schriftenreihe: | Ecology and development series
80 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | 236 S. Ill., graph. Darst., Kt. 21 cm |
| ISBN: | 9783940124319 |
Internformat
MARC
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| 100 | 1 | |a Schmengler, Almut C. |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Modeling soil erosion and reservoir sedimentation at hillslope and catchment scale in semi-arid Burkina Faso |c Almut C. Schmengler. [ZEF, Zentrum für Entwicklungsforschung, Bonn] |
| 264 | 1 | |a Bonn |b ZEF |c 2011 | |
| 300 | |a 236 S. |b Ill., graph. Darst., Kt. |c 21 cm | ||
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| 337 | |b n |2 rdamedia | ||
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| 490 | 1 | |a Ecology and development series |v 80 | |
| 502 | |a Zugl.: Bonn, Univ., Diss., 2011 | ||
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Datensatz im Suchindex
| _version_ | 1804148367397224448 |
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| adam_text | IMAGE 1
TABLE OF CONTENTS
1 INTRODUCTION 1
1.1 PROBLEM STATEMENT 1
1.2 RESEARCH OBJECTIVES 7
1.3 STRUCTURE OF THE THESIS 8
2 STATE-OF-THE-ART 9
2.1 SOIL EROSION RESEARCH IN WEST AFRICA - BURKINA FASO 9
2.1.1 FIRST PERCEPTION OF SOIL EROSION 9
2.1.2 PROCESS-BASED STUDIES AND EXPERIMENTAL PLOTS 11
2.1.3 SOIL EROSION MODELING 15
2.1.4 NEW FASHIONS , POLICY INTERVENTIONS AND PLURALISTIC VIEWS 19
2.2 SCIENTIFIC NATURE OF SOIL EROSION MODELS 25
2.2.1 MODELS AS REPRESENTATIONS OF ENVIRONMENTAL SYSTEMS 25
2.2.2 BASIC CONCEPTS OF SOIL EROSION MODELS 27
2.2.3 EMPIRICALLY AND PHYSICALLY-BASED MODELS: ADVANTAGES AND
LIMITATIONS 29 2.2.4 DISTRIBUTED MODELS AND GIS 37
2.3 NEW PARADIGMS: COMPLEXITY, EMERGENCE AND SCALE 39
2.3.1 SCALE MATTERS 40
2.3.2 FROM HILLSLOPE TO CATCHMENT SCALE 43
3 SOIL EROSION ASSESSMENT AT HILLSLOPE SCALE 47
3.1 INTRODUCTION 47
3.2 SITE DESCRIPTION 50
3.3 DATA AND METHODS 53
3.3.1 TOPOGRAPHICAL SURVEY 53
3.3.2 TERRAIN ANALYSIS 54
3.3.3 SOIL SAMPLING AND LABORATORY METHODS 55
3.3.4 CAESIUM SAMPLING AND PROCESSING 58
3.3.5 137CAESIUM CONVERSION MODELS 60
3.4 MODELING APPROACH 62
3.4.1 DESCRIPTION OF THE WATER EROSION PREDICTION PROJECT (WEPP) MODEL
62 3.4.2 INPUT PARAMETERIZATION 63
3.4.3 DELINEATION OF OVERLAND FLOW ELEMENTS 68
3.5 RESULTS AND DISCUSSION 69
3.5.1 SOIL CATENARY DEVELOPMENT 69
3.5.2 VARIABILITY OF SOIL PROPERTIES ALONG A CATENA 79
3.5.3 DEPTH DISTRIBUTION OF CS REFERENCE SAMPLE 86
3.5.4 SOIL REDISTRIBUTION PATTERNS OF 137CS 89
3.5.5 COMPARISON OF SOIL EROSION/DEPOSITION RATES FOR TWO CONTRASTING
SITES 94 3.5.6 CORRELATION ANALYSIS OF CONVERSION MODELS 97
3.5.7 WEPP-SIMULATED SOIL LOSS AND SOIL DEPOSITION 100
3.5.8 SOIL EROSION SCENARIOS UNDER DIFFERENT LAND MANAGEMENT OPTIONS 110
3.5.9 COMPARISON BETWEEN SIMULATED SOIL EROSION RATES BY WEPP MODEL AND
137CS MEASUREMENTS 121
3.6 CONCLUSION 128
BIBLIOGRAFISCHE INFORMATIONEN HTTP://D-NB.INFO/101417564X
DIGITALISIERT DURCH
IMAGE 2
4 SOIL EROSION AND RESERVOIR SILTATION AT CATCHMENT
SCALE 131
4.1 INTRODUCTION 131
4.2 SITE DESCRIPTION 134
4.3 DATA AND METHODS 140
4.3.1 TOPOGRAPHICAL SURVEY 140
4.3.2 METEOROLOGICAL AND HYDROLOGICAL DATA 141
4.3.3 BATHYMETRIE SURVEY 141
4.3.4 LAKE CORE SAMPLING BY BEEKER SAMPLER 145
4.3.5 I37CS MEASUREMENTS IN RESERVOIRS 147
4.3.6 CALCULATION OF SEDIMENT YIELD 148
4.3.7 PREPROCESSING OF ASTER IMAGES 150
4.3.8 LAND-COVER CLASSIFICATION 152
4.4 MODELING APPROACH 154
4.4.1 DESCRIPTION OF WATEM/SEDEM 154
4.4.2 INPUT PARAMETERIZATION 155
4.4.3 MODEL CALIBRATION 164
4.5 RESULTS AND DISCUSSION 166
4.5.1 INITIAL AND ACTUAL STAGE-STORAGE AND STAGE-AREA CURVES 166
4.5.2 CALCULATION OF SEDIMENT THICKNESS ALONG A LONGITUDINAL TRANSECT
172 4.5.3 QUANTIFICATION OF ACCUMULATED SEDIMENT BY SOIL CORE ANALYSIS
175 4.5.4 DEPTH DISTRIBUTION OF 137CS RESERVOIR SAMPLE 179
4.5.5 SEDIMENT PRODUCTION, POND DEPOSITION AND SEDIMENT YIELD SIMULATED
BY WATEM/SEDEM 182
4.5.6 COMPARISON BETWEEN SIMULATED AND MEASURED SEDIMENT YIELD 184 4.5.7
SPATIAL PATTERN OF SOIL EROSION AND SOIL DEPOSITION SIMULATED BY
WATEM/SEDEM 188
4.5.8 SOIL EROSION HAZARD MAP 192
4.6 CONCLUSIONS 198
5 CONCLUSIONS AND RECOMMENDATIONS 201
5.1 MAGNITUDE AND SPATIAL VARIABILITY OF SOIL EROSION 201
5.2 MEASURES TO COUNTERACT SOIL EROSION BY SITE-SPECIFIC LAND MANAGEMENT
202 5.3 QUANTIFICATION OF SEDIMENT YIELD AND SEVERITY OF RESERVOIR
SILTATION 203 5.4 METHODOLOGICAL BACKGROUND AND MULTI-SCALE APPROACHES:
UNCERTAINTIES, POTENTIAL AND LIMITATIONS 204
5.5 RECOMMENDATIONS AND FUTURE RESEARCH NEEDS 207
6 REFERENCES 209
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| building | Verbundindex |
| bvnumber | BV039548411 |
| ctrlnum | (OCoLC)750957633 (DE-599)BVBBV039548411 |
| format | Thesis Book |
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| genre | (DE-588)4113937-9 Hochschulschrift gnd-content |
| genre_facet | Hochschulschrift |
| geographic | Burkina Faso (DE-588)4088707-8 gnd |
| geographic_facet | Burkina Faso |
| id | DE-604.BV039548411 |
| illustrated | Illustrated |
| indexdate | 2024-07-10T00:06:00Z |
| institution | BVB |
| isbn | 9783940124319 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-024400343 |
| oclc_num | 750957633 |
| open_access_boolean | |
| owner | DE-12 |
| owner_facet | DE-12 |
| physical | 236 S. Ill., graph. Darst., Kt. 21 cm |
| publishDate | 2011 |
| publishDateSearch | 2011 |
| publishDateSort | 2011 |
| publisher | ZEF |
| record_format | marc |
| series | Ecology and development series |
| series2 | Ecology and development series |
| spelling | Schmengler, Almut C. Verfasser aut Modeling soil erosion and reservoir sedimentation at hillslope and catchment scale in semi-arid Burkina Faso Almut C. Schmengler. [ZEF, Zentrum für Entwicklungsforschung, Bonn] Bonn ZEF 2011 236 S. Ill., graph. Darst., Kt. 21 cm txt rdacontent n rdamedia nc rdacarrier Ecology and development series 80 Zugl.: Bonn, Univ., Diss., 2011 Sedimentation (DE-588)4054080-7 gnd rswk-swf Bodenerosion (DE-588)4007367-1 gnd rswk-swf Modellierung (DE-588)4170297-9 gnd rswk-swf Stausee (DE-588)4127590-1 gnd rswk-swf Burkina Faso (DE-588)4088707-8 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Burkina Faso (DE-588)4088707-8 g Bodenerosion (DE-588)4007367-1 s Stausee (DE-588)4127590-1 s Sedimentation (DE-588)4054080-7 s Modellierung (DE-588)4170297-9 s b DE-604 Ecology and development series 80 (DE-604)BV015679114 80 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024400343&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Schmengler, Almut C. Modeling soil erosion and reservoir sedimentation at hillslope and catchment scale in semi-arid Burkina Faso Ecology and development series Sedimentation (DE-588)4054080-7 gnd Bodenerosion (DE-588)4007367-1 gnd Modellierung (DE-588)4170297-9 gnd Stausee (DE-588)4127590-1 gnd |
| subject_GND | (DE-588)4054080-7 (DE-588)4007367-1 (DE-588)4170297-9 (DE-588)4127590-1 (DE-588)4088707-8 (DE-588)4113937-9 |
| title | Modeling soil erosion and reservoir sedimentation at hillslope and catchment scale in semi-arid Burkina Faso |
| title_auth | Modeling soil erosion and reservoir sedimentation at hillslope and catchment scale in semi-arid Burkina Faso |
| title_exact_search | Modeling soil erosion and reservoir sedimentation at hillslope and catchment scale in semi-arid Burkina Faso |
| title_full | Modeling soil erosion and reservoir sedimentation at hillslope and catchment scale in semi-arid Burkina Faso Almut C. Schmengler. [ZEF, Zentrum für Entwicklungsforschung, Bonn] |
| title_fullStr | Modeling soil erosion and reservoir sedimentation at hillslope and catchment scale in semi-arid Burkina Faso Almut C. Schmengler. [ZEF, Zentrum für Entwicklungsforschung, Bonn] |
| title_full_unstemmed | Modeling soil erosion and reservoir sedimentation at hillslope and catchment scale in semi-arid Burkina Faso Almut C. Schmengler. [ZEF, Zentrum für Entwicklungsforschung, Bonn] |
| title_short | Modeling soil erosion and reservoir sedimentation at hillslope and catchment scale in semi-arid Burkina Faso |
| title_sort | modeling soil erosion and reservoir sedimentation at hillslope and catchment scale in semi arid burkina faso |
| topic | Sedimentation (DE-588)4054080-7 gnd Bodenerosion (DE-588)4007367-1 gnd Modellierung (DE-588)4170297-9 gnd Stausee (DE-588)4127590-1 gnd |
| topic_facet | Sedimentation Bodenerosion Modellierung Stausee Burkina Faso Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024400343&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV015679114 |
| work_keys_str_mv | AT schmengleralmutc modelingsoilerosionandreservoirsedimentationathillslopeandcatchmentscaleinsemiaridburkinafaso |