Two modes for dune orientation
The Eighth International Conference on Aeolian Research(ICAR VIII 2014)——Sediment availability controls dune orientation.There are two different dune growth mechanisms,that may be recognized in field: the bed instability mode and the fingering mode.Many terrestrial dunes are aligned with the mean sand transport direction.These dunes are in the fingering mode,which suggests that they extend away from geomorphologic sand sources.
关键词: 沙丘方向 沉积物可用性 风沙输送 尘源 The Eighth International Conference on Aeolian Research(ICAR VIII 2014)
主讲人:Prof. Clement Narteau 机构:Institut de physique du globe de Paris
时长:0:12:44 年代:2014年
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