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Produktbild: Dunes

Dunes Dynamics, Morphology, History

Aus der Reihe RGS-IBG Book Series

48,99 €

inkl. gesetzl. MwSt., Versandkostenfrei

Beschreibung

Produktdetails

Einband

Taschenbuch

Erscheinungsdatum

28.05.2013

Verlag

John Wiley & Sons Inc

Seitenzahl

240

Maße (L/B/H)

22,6/15,2/1,5 cm

Gewicht

295 g

Auflage

1. Auflage

Sprache

Englisch

ISBN

978-1-4443-3968-0

Beschreibung

Rezension

"This is a terrific read for both specialists and nonspecialists. Summing Up: Highly recommended. Upper-division undergraduates through professionals/practitioners." ( Choice , 1 February 2014)

Produktdetails

Einband

Taschenbuch

Erscheinungsdatum

28.05.2013

Verlag

John Wiley & Sons Inc

Seitenzahl

240

Maße (L/B/H)

22,6/15,2/1,5 cm

Gewicht

295 g

Auflage

1. Auflage

Sprache

Englisch

ISBN

978-1-4443-3968-0

Herstelleradresse

Libri GmbH
Europaallee 1
36244 Bad Hersfeld
DE

Email: GPSR Kontakt

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  • Produktbild: Dunes
  • List of Figures xi
     
    Acknowledgements xv
     
    Introduction 1
     
    Part One
     
    1 Wind and Sand 7
     
    Wind versus Bed 7
     
    The Law of the Wall 8
     
    Improving the wind/bed model 9
     
    Lift-Off 12
     
    Holding down by gravity 12
     
    Holding down by cohesion 12
     
    Raising by lift 13
     
    Raising by drag 13
     
    Raising by bombardment 14
     
    Thresholds 14
     
    Grain size 16
     
    The slope of the bed 17
     
    The dynamics of water content 17
     
    Crusts 19
     
    Pellets 20
     
    Sand in Motion 20
     
    Saltation 20
     
    Streamers and other medium-scale patterns of saltating sand 22Reptation 22
     
    Creep 23
     
    Other near-surface activity 23
     
    Suspension 24
     
    The vertical distribution of load and grain size 24
     
    The saturation length 24
     
    The fetch effect 26
     
    The response of a loose bed to erosion by the wind 27
     
    The Transport Rate 27
     
    Shapes, densities and mixtures of size 29
     
    Hard surfaces 30
     
    Rough surfaces 30
     
    Moisture, temperature and humidity 31
     
    Rain 31
     
    References 31
     
    2 Ripples 32
     
    Subtypes 35
     
    Models 36
     
    Flow response 36
     
    Gravity wave 36
     
    Saltation length 37
     
    Shadow zone 37
     
    Mathematical 37
     
    Pattern 38
     
    3 The Form and Behaviour of Free Dunes 39
     
    Definitions 39
     
    Early Stages 39
     
    Start 39
     
    Minimum size 40
     
    The Profile of a Fully Grown Dune 41
     
    Toe 41
     
    Windward slope (or 'stoss slope') 43
     
    Crest 45
     
    Lee slope 46
     
    Movement 53
     
    Turnover time, bulk transport 56
     
    Size 56
     
    Flow-hierarchy models 57
     
    Grain-size models 57
     
    The time/supply model 58
     
    References 58
     
    Part Two 1000 to 10,000 m2; 100 to 1000 years 59
     
    4 Pattern in Free Dunes 61
     
    Definitions 61
     
    Wind-Directional Regimes 62
     
    Global winds 62
     
    Local wind systems 62
     
    The Classification of Wind-Directional Regimes 65
     
    Wind-Directional Regimes and Dune Pattern 66
     
    Transverse Dunes 66
     
    Two-dimensional pattern: vertical and downwind 67
     
    Two-dimensional pattern: horizontal and transverse to the wind 68
     
    Self-organisation 69
     
    Barchans 71
     
    Quasi-transverse patterns 75
     
    Linear Dunes 80
     
    Introduction 80
     
    Models of formation 82
     
    Sand Sheets 88
     
    Dunes with Distinctive Sand 90
     
    Gravel dunes 90
     
    Zibars 91
     
    Clay dunes 92
     
    Lunettes 92
     
    Gypsum dunes 93
     
    Diatomite sands 93
     
    Volcanic sands 93
     
    Snow and ice dunes 94
     
    Niveo-aeolian deposits 94
     
    References 94
     
    5 Forced Dunes 96
     
    Dunes Built around Bluff Obstacles 96
     
    Climbing and echo dunes 96
     
    Flanking and lee dunes 97
     
    Cliff-top and falling dunes 99
     
    Dunes on Gently Sloping Terrain 99
     
    Reference 99
     
    6 Dunes and Plants 100
     
    Wind, Sand and Plants 100
     
    Rigid objects 100
     
    Spatial pattern 101
     
    Porosity 102
     
    Flexibility 102
     
    Plants as living things 103
     
    The broader time/space framework 104
     
    Dunes among Plants 104
     
    Nebkhas 104
     
    Blowouts 107
     
    Parabolic dunes 109
     
    References 111
     
    7 Coastal Dunes 112
     
    Coastal Dunes