| Term: | Expanded |
| Definition: |
Frontal expansion on a level surface (not necessary lowland); Less restricted by topography; Widening of the tongue (lateral expansion is less than for piedmont); Lobe or fan formed where the lower portion of the glacier leaves the confining wall of a valley and extends on to a less restricted and more level surface (WGMS 1970, 1998); Lobe or fan formed where the lower portion of the glacier leaves the confining wall of a valley and extends on to a less restricted and more level surface. Lateral extension markedly less than for piedmont. (WGMS 1977) GLIMSGlacier
GCW |