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15 lis 2020 · We focus on the variety of landforms in glacial cirques of Sierra Nevada, Spain. • In this massif glacial cirques were deglaciated around 14 ka. • Glaciers formed again during the Younger Dryas and disappeared around 11.7 ka. • Most cirques of the North Hemisphere followed the same chronological sequence.
21 lis 2017 · We used ArcGIS to measure length, width, aspect, latitude and distance to coastline of each cirque. Palaeo-equilibrium-line altitudes (palaeo-ELAs) of palaeo-cirque glaciers were calculated using the altitude-ratio method, cirque-floor method and minimum-point method.
5 paź 2020 · The cirque glacier landsystem of upland Britain 6 contains landforms created directly by glacier ice, and landforms related to periglacial and paraglacial activity outside the limits of glacier cover.
26 lip 2020 · Cirques on the Faroe Islands are smaller in length and width and present at lower elevations compared to cirques located in other regions of the world. The timing of glacial occupation in these cirques is not known, and the landforms likely formed over multiple glaciations.
1 paź 2021 · The proglacial area of the Chato Glacier, in one cirque of the Fuegian Andes, presents a particular landform assemblage related to its rapid retreat and downwasting processes, mainly occurred since 1970, as a result of mean annual temperature increase and precipitation decrease compared to the historical average.
1 lut 2022 · Cirques are typical erosional landforms of glaciers and have been used as bases for paleoclimate and paleoenvironment reconstruction and for understanding the interactions between glacial erosion, climate, and topography.
1 sty 2014 · Cirque glaciers are among the most frequent types of glacier found on Earth, and typically observed in any Alpine landscape where climate condition allows glacier formation.
