Book contents
- Frontmatter
- Contents
- Preface
- Part I The Tropical Environment
- Part II Process geomorphology in the tropics
- 5 Weathering in the tropics
- 6 Slopes: forms and processes
- 7 Rivers in the tropics
- 8 Alluvial valleys
- 9 Large rivers in the tropics
- 10 The tropical coasts
- 11 Deltas in the tropics
- 12 The arid tropics
- 13 Tropical highlands
- 14 Volcanic landforms
- 15 Tropical karst
- 16 Quaternary in the tropics
- Part III Anthropogenic changes
- References
- Index
- Plate section
8 - Alluvial valleys
from Part II - Process geomorphology in the tropics
Published online by Cambridge University Press: 05 February 2012
- Frontmatter
- Contents
- Preface
- Part I The Tropical Environment
- Part II Process geomorphology in the tropics
- 5 Weathering in the tropics
- 6 Slopes: forms and processes
- 7 Rivers in the tropics
- 8 Alluvial valleys
- 9 Large rivers in the tropics
- 10 The tropical coasts
- 11 Deltas in the tropics
- 12 The arid tropics
- 13 Tropical highlands
- 14 Volcanic landforms
- 15 Tropical karst
- 16 Quaternary in the tropics
- Part III Anthropogenic changes
- References
- Index
- Plate section
Summary
Of golden sands, and crystal brooks
John DonneFluvial depositional environment
A river tends to deposit sediment in certain locations in a valley. Intuitively we expect sediment to be deposited as stream velocity drops, starting with the coarsest fraction. When that happens, the preferred locations for depositing sediment are
on floors of valleys in the mountains, frequently near confluences or barriers in the channel
at the foot of the mountains or plateaux (alluvial fans)
along an alluvial valley in the plains (channel bars, floodplains and terraces)
deltas at river mouths.
- Type
- Chapter
- Information
- Tropical Geomorphology , pp. 129 - 142Publisher: Cambridge University PressPrint publication year: 2011