Schlagwort(e):
Sand dunes.
;
Eolian processes.
;
Eolian processes--Research.
;
Düne. swd.
;
Äolisches Sediment. swd.
;
Electronic books.
Materialart:
Online-Ressource
Seiten:
1 online resource (473 pages)
Ausgabe:
1st ed.
ISBN:
9783540859109
URL:
https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=972363
DDC:
551.375
Sprache:
Englisch
Anmerkung:
Intro -- CONTENTS -- 1 The Nature and Importance of Aeolian Sand Research -- 1.1 Definitions -- 1.2 Previous Work -- 1.3 Future Research Requirements -- 2 The Nature of Airflow -- 2.1 Physical Properties of Air and the Earth's Atmosphere -- 2.2 Nature and Types of Air Motion -- 2.3 Storm Types that Generate Sand-Transporting Winds -- 2.4 Flow in the Atmosphere Boundary Layer -- 3 Characteristics of Windblown Sediments -- 3.1 General Properties of Sediment Grains -- 3.2 Grain Shape -- 3.3 Porosity, Permeability, and Packing of Sands -- 3.4 Grain Size Characteristics of Aeolian Sediments -- 3.5 Shape Characteristics of Aeolian Dune Sands -- 3.6 Surface Textures of Aeolian Sands -- 3.7 Porosity and Permeability of Aeolian Sands -- 3.8 Sources and Mineral Composition of Aeolian Dune Sand -- 3.8.3 Formation of Biogenic Carbonate Sand -- 4 Mechanics of Aeloian Sanf Transport -- 4.1 Particle Entrainment -- 4.2 Transport of Particles by the Wind -- 5 The Formation of Sand Seas and Dune Fields -- 5.1 Definition of Sand Seas and Dune Fields -- 5.2 Global Distribution of Sand Seas -- 5.3 Factors Controlling the Distribution and Magnitude of Sand Seas -- 5.4 Development of Sand Seas in Relation to Topography -- 5.5 Wind Regime and Regional Sand Flow Paths -- 5.6 Evolution of Ergs in Response to Climatic Changes -- 5.7 Effect of Sea-Level Changes on Coastal Dune Fields -- 5.8 Effect of Sea-Level Changes on Continental Dune Fields -- 6 Aeolian Bed Forms -- 6.1 Types of Aeolian Sand Accumulation and Bed Form Terminology -- 6.2 Ripples -- 6.3 Sand Dunes -- 6.4 Vegetated Dunes -- 6.5 Sand Sheets -- 6.6 Summary of Factors Determining the Morphology of Aeolian Sand Accumulations -- 7 Internal Sedimentary Structures of Aeolian Sand Deposits -- 7.1 Introduction -- 7.2 Internal Structure of Sand Dunes -- 7.3 Secondary Sedimentary Structures in Dunes.
,
7.4 Sedimentary Structures of Inter-dune Areas and Sand Sheets -- 7.5 Niveo-Aeolian Deposits and Cryogenic Structures in Cold-Climate Dunes -- 8 Post-Depositional Modification of Dune Sands -- 8.1 Introduction -- 8.2 Denudation by Rain Splash, Surface Wash, Soil Creep, and Gullying -- 8.3 Near-Surface Compaction -- 8.4 Addition of Allochthonous Components -- 8.5 Weathering and Pedogenesis of Siliceous Dune Sands -- 8.6 Formation of Carbonate Aeolianites -- 8.7 Early Diagenetic Cementation by Evaporite Minerals -- 9 Management and Human Use of Sand Dune Environments -- 9.1 Thermal Properties of Sand, Moisture Regime, and Vegetation Growth -- 9.2 Water Courses in Dune Areas -- 9.3 Control of Windblown Sand -- 9.4 Human Use of Sand Dune Areas -- 10 Aeolian Research Techniques -- 10.1 Aeolian Research Techniques -- 10.2 Measurement of Sand Movement Using Sand Traps -- 10.3 Sand Tracer Techniques -- 10.4 Methods of Sample Collection for Grain Size and Mineralogical Analysis -- 10.5 Methods of Determining the Grain Size of Sands -- 10.6 Characterization of Airflow -- 10.7 Methods of Monitoring Changes in Sand Dune Terrain -- Appendix: SI units and c.g.s. equivalents -- References -- Index.
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