نتایج جستجو برای: glacial cirques

تعداد نتایج: 11417  

Journal: :Geology, Geophysics and Environment 2023

In the Western Carpathians, clear evidence of Pleistocene glaciations only occurs in two mountain massifs – Tatra and Low Mountains. The Mountains (2043 m a.s.l.), contrary to higher more strongly glaciated (2654 have previously been much less attractive for scientific research. Hence, these mountains, both glacial landforms chronology, together with a detailed reconstruction glacier geometry r...

Journal: :Quaternary Science Reviews 2021

The aim of this work is to study the process transformation debris-free mountain glaciers into debris-covered and rock glaciers, examine factors driving diverging evolution in similar glacial systems. area Hofsdalur valley, Tröllaskagi peninsula (northern Iceland), where several cirques host a great diversity as well various landforms. Four adjacent have been analysed through multidisciplinary ...

Journal: :Palaeogeography, Palaeoclimatology, Palaeoecology 2022

Cirques are glacially eroded, bowl-shaped depressions, characterised by steep headwalls and flat or overdeepened floors. Given their association with past glaciers, cirques sometimes used as proxies for palaeoclimate. However, shaped over multiple glacial cycles, usefulness palaeoclimate indicators therefore remains open to question. In this paper, we map 3984 glacier-free across the Scandinavi...

Journal: :Geological Magazine 1872

Journal: :Revista mexicana de ciencias geológicas 2021

Numerous high elevation tropical mountains around the world show evidence of past glacial activity during Last Glacial Maximum (LGM). Cerro Chirripó in Costa Rica exhibits paleoglacial landforms such as cirques, moraine deposits and polished striated bedrock surfaces. We used aerial imagery (1:25000) contour lines to develop a Digital Elevation Model (DEM) for LGM. determined paleo-equilibrium ...

Journal: :Geological Magazine 1877

Journal: :Arctic and Alpine Research 1976

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