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单词 banner cloud
释义
banner cloud

Geology and Earth Sciences
  • Motionless, flag-like cloud, commonly of lenticular (lens-like) shape, forming to the lee (eddy zone) side of a hill or mountain peak. The cloud extends downwind in a strong current of humid air, resembling a banner in the wind. Many distinctive mountain peaks (e.g. the Matterhorn and Table Mountain) are associated with a characteristic banner cloud. See also lee wave.


Geography
  • ‘Clouds resembling a banner, or flag, which form on the leeward side of ridges or peaked mountains’ (Schween (2007) Geophys. Res. Abstr. 9).


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