barchan
Definições
An arc-shaped shifting sand dune comprising well-sorted (uniformly sized) sand.
Equivalentes
Exemplos
“The sand is usually very well sorted in barchans, for it is constantly re-worked as the dune 'marches'. The marching also causes cross-bedding inside the barchan, with a dip parallel to the sand-fall face.”
Nível QECR
B1
Intermediário
Esta palavra faz parte do vocabulário QECR B1 — nível intermediário.
Esta palavra faz parte do vocabulário QECR B1 — nível intermediário.
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