Keywords:
Earth (Planet) -- Surface.
;
Electronic books.
Description / Table of Contents:
This book describes how sand dunes work, why they are the way they are in different settings, and how they are being studied. It compares and contrasts the characteristics and formation of sand dunes on Earth, Mars and Titan.
Type of Medium:
Online Resource
Pages:
1 online resource (311 pages)
Edition:
1st ed.
ISBN:
9783540897255
Series Statement:
Springer Praxis Bks.
URL:
https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=1082368
DDC:
551.375
Language:
English
Note:
Intro -- Preface -- Contents -- Figures -- Tables -- Part IIntroduction -- 1 Introduction -- Part IIDune BasicsDune BasicsDune BasicsDune BasicsDune BasicsDune BasicsDune Basics -- 2 Sand -- 2.1…Sand Size and Shape -- 2.2…Compositional Considerations -- 3 Winds and Atmospheres -- 3.1…Atmospheres -- 3.2…The Planetary Boundary Layer -- 3.3…Planetary Wind Patterns -- 3.4…Wind Speed Statistics -- 3.5…Wind Direction: The Wind Rose -- 3.6…Turbulence -- 4 Mechanics of Sand Transport -- 4.1…Styles of Particle Motion -- 4.2…Fluid Forces on Particles -- 4.3…The Boundary Layer -- 4.4…Launching the Sand -- 4.5…Sand Grain Trajectories -- 4.6…Influence of Saltation on the Boundary Layer -- 4.7…The Saturation Length and Controls on Dune Size -- 5 Deposits of Sand: Ripples Versus Dunes -- 5.1…Flow Separation and Recirculation -- 5.2…Angle of Repose: The slip face -- 5.3…Grain Sorting -- 5.4…Dunes Versus Ripples -- 5.5…Controls on Feature Scale -- 5.6…Sedimentation and Dune Structure -- 5.7…Niveo-Aeolian Processes -- 6 Basic Types of Dunes -- 6.1…Dome -- 6.2…Barchan -- 6.3…Barchanoid Ridge -- 6.4…Transverse Ridge -- 6.5…Linear or Longitudinal (Sief) -- 6.6…Reversing -- 6.7…Star -- 7 Other Dunes and Other Sand Deposits -- 7.1…Sheet -- 7.2…Streak -- 7.3…Shadow Dune (Lee Dune) -- 7.4…Climbing Dunes (and Falling Dunes) -- 7.5…Echo Dune (Reflection Dune) -- 7.6…Lunette -- 7.7…Nebka -- 7.8…Parabolic Dune -- 7.9…Blowout Dune -- 7.10…Compound Dunes and Complex Dunes -- 8 Dune Fields, Sand Seas and Transport Pathways -- 8.1…Sand Sources and Sinks -- 8.2…Dune Stabilization -- 9 Rates of Geomorphic Change -- 9.1…The Sand Rose -- 9.2…Sand Fluxes -- 9.3…Observed Dune Migration Rates -- 9.4…Ripple Migration Rates -- 10 Booming or Singing Dunes -- Part IIIDune WorldsDune WorldsDune WorldsDune WorldsDune WorldsDune WorldsDune Worlds -- 11 Earth Dunes -- 11.1…Introduction.
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11.2…The Terrestrial Atmosphere -- 11.3…Major Deserts and Dune Fields -- 11.3.1 Sahara -- 11.3.2 Rub' al Khali -- 11.3.3 Taklamakan -- 11.3.4 Gobi/Badain Jaran -- 11.3.5 Namib -- 11.3.6 Kalahari -- 11.3.7 Atacama -- 11.3.8 Lençóis Maranhenses -- 11.3.9 Great Victoria -- 11.3.10 Simpson -- 11.3.11 Great Sand Dunes -- 11.3.12 White Sands -- 11.3.13 Bruneau -- 11.4…Snow Dunes and Megadunes -- 11.5…The Role of Vegetation in Dune Motion -- 11.6…Links Between Sand Dunes and Climate -- 12 Mars Dunes -- 12.1…Introduction -- 12.2…The Martian Atmosphere -- 12.3…Sediments on Mars -- 12.4…Types of Dunes on Mars -- 12.5…Examples of Dune Localities on Mars -- 12.6…Dunes in Relation to Topography -- 12.7…Links Between Dunes and Climate? -- 12.8…Dune and Ripple Migration -- 12.9…Future Possibilities -- 13 Titan Dunes -- 13.1…Pre-Cassini Expectations -- 13.2…Cassini Observations -- 13.3…Sand Source, Amount and Composition -- 13.4…Implications for Meteorology -- 13.5…Future Exploration of Titan -- 14 Venus Dunes -- 14.1…Introduction -- 14.2…History of Venus Exploration -- 14.3…Venus Dunes -- 14.4…Aeolian Transport Under Venus Conditions: Experiments -- 14.5…Aeolian Transport Under Venus Conditions: Theory -- 14.6…Venus Winds -- 14.7…Venus Sand -- 14.8…Future Exploration of Venus -- 15 Other Dune Worlds -- 15.1…Triton -- 15.2…Io -- Part IVDune StudiesDune StudiesDune StudiesDune StudiesDune StudiesDune StudiesDune Studies -- 16 Field Studies -- 16.1…Sand Measurements in the Field -- 16.2…Dune Shape and Structure -- 16.2.1 GPS -- 16.2.2 Imaging -- 16.2.3 Thermal Imaging -- 16.2.4 Laser Scanning -- 16.2.5 Ground Penetrating Radar -- 16.2.6 Gravity and Other Geophysical Methods -- 16.3…Measuring Wind -- 16.3.1 Cup and Propeller Anemometers -- 16.3.2 Hot Wire and Hot Film -- 16.3.3 Pitot Tubes -- 16.3.4 Ultrasound -- 16.3.5 Optical Tracer Methods.
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16.3.6 Large-Scale Tracer Methods -- 16.4…Measuring Saltation -- 16.5…Data Acquisition -- 16.6…Aeolian Abrasion -- 16.7…In Situ Spacecraft Observations -- 17 Laboratory Studies -- 17.1…Sand Studies -- 17.2…Process: Terrestrial Wind Tunnels -- 17.3…Process: Planetary Wind Tunnels -- 17.4…Water Tank Experiments -- 17.5…Abrasion Experiments -- 17.6…Avalanching and Granular Flow -- 18 Remote Sensing -- 18.1…Aerial Photography -- 18.2…Orbital Imaging -- 18.3…Thermal Imaging -- 18.4…Hyperspectral Imaging -- 18.5…Topography From Imaging -- 18.6…Radar Studies of Dunes -- 19 Numerical Models -- 19.1…Modeling the Wind -- 19.2…Modeling the Sand -- 19.3…Dynamics at the Dune and Ripple Level: Pattern Formation -- 19.4…Summary -- Part VWhy Dunes MatterWhy Dunes MatterWhy Dunes MatterWhy Dunes MatterWhy Dunes MatterWhy Dunes Matter -- 20 Dunes as Physical Systems -- 21 Dunes and Climate -- 22 Moving on Sand -- 22.1…Walking on Dunes -- 22.2…Driving on Dunes -- 22.3…Vehicles for Dune Driving -- 22.4…Getting Unstuck -- 22.5…Getting Stuck and Unstuck on Mars or Titan -- 23 Dunes and People -- 24 Fictional Dune Worlds -- 24.1…Arrakis -- 24.2…Tatooine -- Part VIConclusions -- 25 Conclusions -- References -- Index.
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