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DOI10.1177/0309133311425399
Aeolian processes on the terrestrial planets: Recent observations and future focus
Craddock, Robert A.
通讯作者Craddock, Robert A.
来源期刊PROGRESS IN PHYSICAL GEOGRAPHY
ISSN0309-1333
EISSN1477-0296
出版年2012
卷号36期号:1页码:110-124
英文摘要

Aeolian dune fields have been described on Earth, Mars, Venus, and Titan. The amount and fidelity of data being returned from orbiting spacecraft and landers have enabled a new era in aeolian studies. This progress report presents an overview of the latest planetary geomorphic studies characterizing aeolian processes on extraterrestrial surfaces. Our understanding of aeolian processes on other planetary surfaces comes largely from Earth analog studies, along with wind tunnel experiments and theoretical modeling. However, an important difference is that unlike terrestrial dunes most dunes on Venus and Mars are composed primarily of basaltic particles. Additional research is needed to understand how basaltic particles weather both physically and chemically so that it will be possible to apply traditional sedimentological concepts, such as sediment maturity, to understanding aeolian processes on Venus and Mars. It may also be possible to characterize sediment maturity and provenance through remote sensing data once we have a better understanding of basaltic sediments. Although there have been a variety of dune forms identified on the surfaces of the other terrestrial planets, the only dune form found on all of them is linear dunes. Even though linear dunes are the most common dune forms on Earth, we currently have a poor understanding as to how they are formed, and additional work is needed to understand these features.


英文关键词aeolian processes basaltic particles dunes Mars planetary geomorphology Titan Venus
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000299291200007
WOS关键词HAWAIIAN PALAGONITIC SOIL ; LINEAR DUNES ; OMEGA/MARS EXPRESS ; SAND DUNES ; MAGNETIC-PROPERTIES ; LONGITUDINAL DUNES ; RADAR OBSERVATIONS ; SPECTRAL EVIDENCE ; SIMPSON DESERT ; CASSINI RADAR
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向Physical Geography ; Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/174638
作者单位(1)Smithsonian Inst, Natl Air & Space Museum, Ctr Earth & Planetary Studies, Washington, DC 20560 USA
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Craddock, Robert A.. Aeolian processes on the terrestrial planets: Recent observations and future focus[J],2012,36(1):110-124.
APA Craddock, Robert A..(2012).Aeolian processes on the terrestrial planets: Recent observations and future focus.PROGRESS IN PHYSICAL GEOGRAPHY,36(1),110-124.
MLA Craddock, Robert A.."Aeolian processes on the terrestrial planets: Recent observations and future focus".PROGRESS IN PHYSICAL GEOGRAPHY 36.1(2012):110-124.
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