Soil erosion in the tropics: principles and management
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
New York u.a.
McGraw-Hill
1990
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | X, 580 S. Ill., graph. Darst. |
| ISBN: | 0070360871 |
Internformat
MARC
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| 245 | 1 | 0 | |a Soil erosion in the tropics |b principles and management |c Ratta Lal |
| 264 | 1 | |a New York u.a. |b McGraw-Hill |c 1990 | |
| 300 | |a X, 580 S. |b Ill., graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
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| 650 | 4 | |a Sols - Conservation - Régions tropicales | |
| 650 | 7 | |a Sols - Conservation - Régions tropicales |2 ram | |
| 650 | 4 | |a Sols - Érosion - Régions tropicales | |
| 650 | 7 | |a Sols - Érosion - Régions tropicales |2 ram | |
| 650 | 4 | |a Soil conservation |z Tropics | |
| 650 | 4 | |a Soil erosion |z Tropics | |
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Datensatz im Suchindex
| _version_ | 1804118364038103040 |
|---|---|
| adam_text | Titel: Soil erosion in the tropics
Autor: Lal, Rattan
Jahr: 1990
Contents
Preface ix
Part 1 Introduction
Chapter 1. Soil Erosion and Sedimentation 3
Definitions 3
Agents, Factors, and Causes of Soil Erosion 5
Types of Erosion 6
Soil Erosion: Natural vs. Accelerated Process 7
Soil Erosion and Degradation 9
Soil Erosion and Civilizations in the Tropics 10
Soil Erosion in Modern Times 12
Soil Erosion in the Tropics vs. Temperate Regions 15
Soil Erosion and Food Production in the Tropics 19
References 19
Part 2 Basic Processes
Chapter 2. Physical Processes and Climatic Erosivity 23
Work Involved in Soil Erosion 23
Common Algebraic Functions Used in Explaining Erosion Processes 25
Factors Affecting Soil Erosion 26
Climate 27
Wind Velocity 52
Conclusions 55
References 56
Chapter 3. Soil Properties and Erodibility 60
Introduction 60
Mechanical Properties 61
Strength Properties 65
v
vi Contents
67
Hydrologie Properties n
Rheologie Properties
Chemical and Mineralogical Properties
Soil Profile Characteristics
Dynamic Nature of Soil Properties 82
Conclusions
References 92
Chapter 4. Slope and Landforms 103
Types of Landforms in Relation to Erosion 1M
Predominant Types of Landforms in the Tropics 107
Slope and Soil Erosion 111
Slope Modification 126
References 126
Chapter 5. Splash Erosion 13°
Basic Concepts 13°
Soil Detachment Mechanism 132
Factors Affecting Soil Splash 132
Factors Affecting Interrili Erosion 148
Conclusions 149
References 1«
Chapter 6. Erosion Processes over a Watershed 154
Types of Flow in Watersheds and Their Properties 155
Sheet or Interrili Erosion 157
Rill Erosion 167
Gully Erosion 171
Pipe or Tunnel Erosion 172
Mass Movements 175
Stream Bank Erosion 177
Coastal Erosion 177
References 177
Part 3 Measurement and Prediction
Chapter 7. Erosion Measurement and Evaluation 183
Introduction 183
Scales for Measuring Soil Erosion 183
Evaluation of Erosion at Macroscale 185
Evaluation of Erosion at Mesoscale ig5
Measurement and Evaluation at Microscale 19g
The Scale Problem
213
Contents vii
Laboratory Measurements 216
Conclusions 216
References 218
Chapter 8. Predicting the Erosion Potential 225
Interrili and Rill Erosion 226
Universal Soil Loss Equation 226
Modifications in USLE 233
Applications of USLE in the Tropics 241
Other Predictive Models 263
Erosion Prediction for Gully and Channel Erosion 267
Physical or Conceptual Models 268
References 272
Part 4 Erosion Control
Chapter 9. Controlling Upland Erosion 283
Reducing Raindrop Impact 283
Increasing Shearing Resistance of Soil 288
Decreasing the Shear Strength of Overland Flow through
Slope Management 302
Conclusions 306
References 306
Chapter 10. Land Use 309
Introduction 309
Land Use and Soil Erosion 310
Erosion Control in Different Land Use Systems 315
Soil Capability Classification and Erosion Hazard 316
Conclusions 317
References 317
Chapter 11. Crop Management 320
Introduction 320
Canopy Cover and Soil Erosion 322
Land Use 325
Crop Husbandry 326
Conclusions 347
References 348
Chapter 12. Conservation Tillage 352
Introduction 352
Conservation Tillage: Basic Concepts and Definitions 353
Erosion Control with Conservation Tillage 360
viii Contents
Conservation Tillage for Erosion Control on Problem Soils 404
Conservation Tillage for Controlling Wind Erosion 414
Conclusions 415
References 416
Chapter 13. Trees and Soil Erosion «3
Soil Erosion under Forest 424
Conversion of Natural Forest to Planned Forest 426
Erosion Control in Tree Crops and Planned Forests 431
Afforestation for Erosion Control 449
Agroforestry as an Antierosive Technique 457
Effects of Alley Cropping on Crop Yield 474
Conclusions 477
References 479
Part 5 Special Topics
Chapter 14. Erosion Hazard on Steeplands 489
Introduction 489
Factors Affecting Soil Erosion 492
Predominant Soil Erosion Processes 496
Magnitude and Extent of the Problem 498
Steep Agricultural Land Technologies 499
Research Needs in Soil Erosion and Its Control 519
Conclusions 527
References 527
Chapter 15. Wind Erosion and Its Control 531
Introduction 531
Mechanisms of Wind Erosion 532
Particle Movement 535
Forces Opposing Soil Uplift and Entrainment 537
Factors Affecting Wind Erosion 538
Causes of Wind Erosion 539
Wind Erosion Prediction 539
Wind Erosion Hazard 544
Measuring Wind Erosion 547
Control Measures 549
References 559
Author Index 565
Subject Index 575
|
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| geographic | Tropen (DE-588)4060997-2 gnd |
| geographic_facet | Tropen |
| id | DE-604.BV004151587 |
| illustrated | Illustrated |
| indexdate | 2024-07-09T16:09:07Z |
| institution | BVB |
| isbn | 0070360871 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-002589171 |
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| physical | X, 580 S. Ill., graph. Darst. |
| publishDate | 1990 |
| publishDateSearch | 1990 |
| publishDateSort | 1990 |
| publisher | McGraw-Hill |
| record_format | marc |
| spelling | Lal, Rattan 1944- Verfasser (DE-588)115580271 aut Soil erosion in the tropics principles and management Ratta Lal New York u.a. McGraw-Hill 1990 X, 580 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Sols - Conservation - Régions tropicales Sols - Conservation - Régions tropicales ram Sols - Érosion - Régions tropicales Sols - Érosion - Régions tropicales ram Soil conservation Tropics Soil erosion Tropics Bodenerosion (DE-588)4007367-1 gnd rswk-swf Tropen (DE-588)4060997-2 gnd rswk-swf Tropen (DE-588)4060997-2 g Bodenerosion (DE-588)4007367-1 s DE-604 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=002589171&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Lal, Rattan 1944- Soil erosion in the tropics principles and management Sols - Conservation - Régions tropicales Sols - Conservation - Régions tropicales ram Sols - Érosion - Régions tropicales Sols - Érosion - Régions tropicales ram Soil conservation Tropics Soil erosion Tropics Bodenerosion (DE-588)4007367-1 gnd |
| subject_GND | (DE-588)4007367-1 (DE-588)4060997-2 |
| title | Soil erosion in the tropics principles and management |
| title_auth | Soil erosion in the tropics principles and management |
| title_exact_search | Soil erosion in the tropics principles and management |
| title_full | Soil erosion in the tropics principles and management Ratta Lal |
| title_fullStr | Soil erosion in the tropics principles and management Ratta Lal |
| title_full_unstemmed | Soil erosion in the tropics principles and management Ratta Lal |
| title_short | Soil erosion in the tropics |
| title_sort | soil erosion in the tropics principles and management |
| title_sub | principles and management |
| topic | Sols - Conservation - Régions tropicales Sols - Conservation - Régions tropicales ram Sols - Érosion - Régions tropicales Sols - Érosion - Régions tropicales ram Soil conservation Tropics Soil erosion Tropics Bodenerosion (DE-588)4007367-1 gnd |
| topic_facet | Sols - Conservation - Régions tropicales Sols - Érosion - Régions tropicales Soil conservation Tropics Soil erosion Tropics Bodenerosion Tropen |
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