释义 |
longitudinal dune
longitudinal dunen. An elongated dune, typically tens of meters high and ranging up to several hundred kilometers long, lying parallel to the prevailing wind direction. Also called seif dune.longitudinal dune
longitudinal dune[‚län·jə′tüd·ən·əl ′dün] (geology) A type of linear dune ridge that extends parallel to the direction of the dominant dune-building winds. |