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Soil Geomorphology - John Gerrard

Soil Geomorphology

Hardcover Published: 8th October 1992
ISBN: 9780412441707
Number Of Pages: 270

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Soil formation is related to the nature of landforms on which that formation takes place. The nature of the soil affects some of the processes shaping the landforms and which cause landscape change. An accurate assessment of the evolution of landforms and of the patterns of soil formation is possible only if the interdependence of soils and landforms is recognized. This book provides an integration of geomorphology and pedology to fully assess this relationship. After an opening chapter outlining the approach adopted, specific chapters examine the relationships between soil formation and specific suites of landform assemblages. The highly influential catena concept is followed by an analysis of soil within drainage basins, on erosion surfaces, flood plains, river terraces, coastal plains, glacial and fluvioglacial landforms, deserts and periglacial landforms. The concluding chapter addresses the way in which soils can be used to assess major phases in landscape evolution. Undergraduate students and lecturers in geography or soil sciences will find this a valuable interdisciplinary introduction to soil geomorphology.

Acknowledgements
Preface
Soil geomorphology - the approachp. 1
Geomorphology and models of soil formationp. 3
Chronosequencesp. 5
Soil and landscape patternsp. 7
Soils and slope processesp. 8
Soil landscape systemsp. 10
Soils and landscapes as open systemsp. 10
Types of systemsp. 11
Energy status of soil systemsp. 12
Soil - landscape systemsp. 14
Denudational balancep. 15
Instability in soil geomorphic systemsp. 16
Two-dimensional soil - landscape systemsp. 17
Three-dimensional soil - landscape systemsp. 25
The catena conceptp. 29
Formulation of the conceptp. 29
The catena and the processes of erosionp. 29
Catenary differentiationp. 30
Aufbereitung conceptp. 33
Derivation and wash slopesp. 34
Soil changes within catenasp. 35
Catenas on sites of geological diversityp. 38
Catenas and timep. 41
Catenas in different climatesp. 41
Soil relationships within drainage basinsp. 51
Theoretical considerationsp. 51
Drainage basins as pedogeomorphic unitsp. 55
Relationships between slope angle and soil propertiesp. 56
Effect of slope positionp. 59
Soil - slope relationships within drainage basinsp. 62
Soils on erosion surfacesp. 71
Age and status of erosion surfacesp. 73
Soil development and the formation of erosion surfacesp. 74
Pedological relationshipsp. 75
Duricrusts and topographyp. 78
Soils on stepped erosion surfacesp. 81
Soils on floodplainsp. 90
Characteristics of alluvial environmentsp. 90
Sedimentary and pedologic characteristicsp. 93
Waterlogging and the effects of floodingp. 95
Floodplain landformsp. 98
Texture of the materialsp. 103
Classification of alluvial soilsp. 105
Chemical composition and clay mineralsp. 109
Soils on river terraces and alluvial fansp. 111
River terracesp. 111
Chronological studiesp. 113
Soils of river terracesp. 114
Alluvial fansp. 122
Soils of coastal plains and sand dunesp. 125
Materials in coastal systemsp. 125
Coastal landform systemsp. 126
Soil formation and salt-marsh developmentp. 128
Decalcification of marine soilsp. 130
Soil - landform relationshipsp. 131
Soils of coastal sand-dune systemsp. 135
Soils on glacial and fluvioglacial landformsp. 140
Glacial and fluvioglacial depositsp. 141
Landscapes of glacial and fluvioglacial depositionp. 142
Soils on end morainesp. 143
Soils on ice disintegration featuresp. 148
Gumbotil and accretion gleyp. 151
Soils and desert landformsp. 155
Desert landformsp. 156
Desert soil formationp. 156
Basin and range, southern New Mexicop. 165
Soil characteristicsp. 168
Soil - landform relationshipsp. 171
Soils and periglacial landformsp. 180
The periglacial environmentp. 181
Permafrostp. 183
Soil typesp. 184
Micromorphology of soils in periglacial environmentsp. 187
Landform-soil assemblagesp. 190
Patterned groundp. 192
Soils and landscape changep. 200
General principlesp. 200
Types and relationships of palaeosolsp. 203
Identification of buried soilsp. 207
Problems of environmental reconstructionp. 209
Weathering indicesp. 211
Radiocarbon datingp. 213
Pollen analysisp. 214
Tephrochronologyp. 215
Opal phytoliths as environmental indicatorsp. 216
Reconstruction of past landscapesp. 216
Referencesp. 227
Indexp. 265
Table of Contents provided by Blackwell. All Rights Reserved.

ISBN: 9780412441707
ISBN-10: 0412441705
Audience: Tertiary; University or College
Format: Hardcover
Language: English
Number Of Pages: 270
Published: 8th October 1992
Publisher: Chapman and Hall
Country of Publication: GB
Dimensions (cm): 23.4 x 15.6  x 1.91
Weight (kg): 1.29