Search results
1 sty 2014 · Definition. A valley or outlet glacier exhibiting a lobe- or fan-shaped section (“piedmont lobe”) immediately beyond the confining valley mouth, where the ice tongue emanates onto an unconstrained, lower slope angle terrain (Stroeven 2013). Valley glaciers may coalesce to form large, multilobate piedmont glaciers.
6 lut 2021 · Abstract. North of the Gallegos River valley, glacigenic deposits outcrop in two altimetric levels. The Meseta Latorre is the highest level (1,064 m a.s.l.), a relic of the ancient Andean piedmont. A degraded basal moraine and a frontal/lateral ridge occupy the summit of the tableland.
A piedmont glacier is a type of glacier that forms when a valley glacier spills out of its valley and spreads out onto a lowland area, typically where it meets a larger body of water or an open plain.
On Mars around several of the Tharsis Mountains and at eastern Hellas, multiple facies of fan-shaped deposits and valleys (Basilevsky et al. 2005) suggest the former presence of cold-based, probably debris-covered piedmont glaciers (Milkovich et al. 2006).
piedmont glacier. large ice lobe spread out over surrounding terrain, associated with the terminus of a large mountain valley glacier. The massive lobe of Malaspina Glacier in Alaska is clearly visible in this photograph taken from a Space Shuttle flight in 1989.
1 paź 2024 · Piedmont glaciers begin their journey high in the mountains as valley glaciers, where they are confined to narrow valleys formed by past tectonic activity or erosion. As these glaciers advance downhill, they maintain a relatively linear shape.
A piedmont glacier is a thick, continuous ice sheet formed along the base of a mountain range formed by the spreading out and coalescing of valley glaciers supplying ices from higher mountain elevations.