Assertion: barchan dune | /r/CapableOf | merge into barchanoid ridges
Facets:
Source sentences:
text: When the sand supply is greater, they may merge into barchanoid ridges, and then transverse dunes (see below).
text: Abundant barchan dunes may merge into barchanoid ridges, which then grade into linear (or slightly sinuous) transverse dunes, so called because they lie transverse, or across, the wind direction, with the wind blowing perpendicular to the ridge crest.