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Academic & Professional Books  Earth System Sciences  Lithosphere  Geomorphology

Dune Worlds How Windblown Sand Shapes Planetary Landscapes

By: Ralph Lorenz(Author), James R Zimbelman(Author)
329 pages, 177 colour & 153 b/w illustrations
Publisher: Springer-Verlag
Dune Worlds
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  • Dune Worlds ISBN: 9783540897248 Hardback Jul 2013 Usually dispatched within 1-2 weeks
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About this book

Dune Worlds describes how sand dunes work, why they are the way they are in different settings, and how they are being studied. Particular attention is paid to their formation and appearance elsewhere in the solar system. New developments in knowledge about dunes make for an interesting story – like the dunes themselves, dune science is dynamic – and the visual appeal of Aeolian geomorphology ensures that this is an attractive volume.

Dune Worlds is divided into 4 parts, the first of which introduces dunes as a planetary phenomenon, showing a landscape reflecting the balance of geological processes – volcanism, impact, tectonics, erosion, deposition of sediments. Dunes are then considered as emergent dynamical systems: the interaction of sand and wind conspires to generate very characteristic and reproducible shapes. Analogies are given with other emergent structures such as patterned ground before the influence of dunes on desert peoples and infrastructure is studied, together with their use as forensic climatological indicators.

Dune Physics is looked at with regard to the mechanics of sand, the physics of wind, saltation – interaction of sand and air – dunes versus ripples and transverse Aeolian ridges, the classification of dune morphology and the sources and sinks of sand. Dune Trafficability considers soil mechanics, effects on mobility on Earth, Mars and elsewhere.

In the second part, Earth, Mars, Titan and other moons and planets are examined, beginning with a survey of the major deserts and dunefields on Earth. The authors then turn to Mars and its environment, sediment type, dune stratigraphy, sediment source and sinks and the association of dunes with topographic features. Titan follows – its thick, cold atmosphere, methane dampness, low gravity, morphology – interaction with topography and the implications of dunes for climate and winds. Dunes elsewhere conclude this part. There are few dunefields on Venus, but there is a .possibility of Aeolian transport on Triton and volcanic-related windstreaks on Io.

Contents

1.1 Introduction
1.2 Dune Physics
1.3 Dune Trafficability - soil mechanics, effects on mobility on Earth, Mars and elsewhere

2.1 Earth
2.2 Mars
2.3 Titan
2.4 Elsewhere

3.1 Field Studies - Overview
3.2 Laboratory Studies
3.3 Computer Models

4.Conclusions

Customer Reviews

Biography

Ralph Lorenz trained as an engineer (B.Eng. Aerospace Systems Engineering, Southampton 1990) and worked for a year for the European Space Agency ESA on the design of the Huygens probe and its instruments. He then spent three years obtaining a PhD at the University of Kent at Canterbury building part of the Surface Science Package which measured Titan's surface properties in January 2005. In 1994 he moved to the University of Arizona for postdoctoral research, where his interests have included Titan, Mars, climate, nonequilibrium thermodynamics and instrumentation. He continues these researches as a member of the Senior Professional Staff at the Applied Physics Laboratory of Johns Hopkins University, where he moved in August 2006. Relevant to the present book, he has published several papers on dust devils, surface modification processes, and Aeolian processes - most recently reporting the discovery of massive fields of sand dues on Titan. Lorenz has written over 100 papers in rhe refereed literature and over 20 polular articls in magazines such as Spaceflight, Astronomy Now and New Scientist.

James Zimbelman has been a Geologist at the Center for Earth and Planetary Studies, National Air and Space Museum, Smithsonian Institution, Washington, D.C for nearly 20 years. His principal interest is Planetary Geology - Geologic analysis of remote sensing data of Mars, geologic mapping of Mars and Venus, study of long lava flows on the terrestrial planets and field studies of volcanic, aeolian and pluvial features. He has published over 50 peer-reviewed papers and maps and several hundred abstracts.

By: Ralph Lorenz(Author), James R Zimbelman(Author)
329 pages, 177 colour & 153 b/w illustrations
Publisher: Springer-Verlag
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