Machine derived contents note: Preface; Introduction; 1. Geomorphic systems and models; 2. Starting points: systems of reference; Part I. Force and Resistance: 3. Force: sources of energy for debris transport; 4. Resistance; Part II. Process: The Interaction of Force and Resistance: 5. Process: introduction; 6. Instability processes in rock masses; 7. Instability in soil masses; 8. Surface water erosion; 9. Sub-surface water erosion; 10. Soil creep; part III. Form: comparison of Real Forms with Process-Response Models: 11. Humid temperate areas; 12. The periglacial landscape; 13. Semi-arid and arid landscapes; 14. Tropical landforms; Part IV. Synthesis: 15. Slope profiles; 16. Slopes in drainage basins; Appendices