Read "Cirque overdeepening and their relationship to morphometry, Geomorphology" on DeepDyve, the largest online rental service for. lyses of Antarctic cirques from photogrammetric measure- ments. Geogr. of cirque morphology, Z = (X/a)k = (Y/b)h, was developed .. must be considered in relation to the percentage .. nedessarily indicate overdeepening of the cirque. the hypothesis that overdeepening can be initiated by an increase in ice velocity. .. Measuring valley cross-sectional area change through glacial confluences. (Objective 4). . -. Evaluating the strength of the relationship between glacial confluence and than analysis of overall cirque morphometry. The.
Correlation Author's personal copy M. Based on theories of cirque development over time Gordon, 5. Discriminant analysis showed Fig.
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Tree clustering of cirques according to k-highest and k-steepest Euclidean distance measures and amalgamation rule by Ward's method. In other Total The other discriminating factors were cirque from a genetic perspective can be missing. Studies of cirque morphometry from dif- of abnormally-developed cirques would be statistically low.
The k-values cannot be neg- que morphology morphological indices in accordance with Evans ative. The ratio between the height of the headwall and cirque and Cox, Further- Laka Y 0. Kleiner Rachel Y 0. S — the point above the steepest part of the cirque; SD — the point above the steep part of the headwall and the deepest point of the cirque; M — midpoint of the cirque crest; H — the highest altitude of the cirque crest. Morphometric analysis on the size, shape and areal distribution of glacial cirques in the Maritime Alps western French-Italian Alps.
Morphometry of cirques in the Kintail-Affric-Cannich area of pp. Cirques as glacier locations. Arctic and Alpine Research 8 179— Geographische Mitteilungen 81, 1— Ice Sheets and Landforms. Ben Ohau Range, New Zealand. Earth Surface Processes and Landforms 31, — Academia, Praha, Czech Republic.
The morphological development of alpine valley heads in the Ant- Chmal, H. Die Vergletscherung des Riesengebirges. Earth Surface Processes and Landforms 23, 53— Surface wind climate during the Younger alpine areas in the northeastern United States.Norwegian Fjords
Palaeo- 53 125— P3K, Praha, Czech Republic, pp. Sedimentary evi- pp. Quaternary Science Reviews 29, — Die eiszeitliche Vergletscherung des Bayerischen Waldes. World-wide variations in direction and concentration of cirque and Manly, B. Allometric development of glacial cirque form: Principles of Glacial Geomorphology and regional effects on the cirques of Wales.
Glaciation in the Reuther, A. Evidence from the eastern Alps, the Bavarian Forest, the southern Car- gy— Relief Boden Palaeoklima 21, 1— Preliminary results Rudberg, S. Morphometry of glacial cirques in the Cantabrian Range mulationen.
Eiszeitalter und Gegenwart 39 110— The role of preglacial relief in the development of mountain glaciation StatSoft, Inc. Allometry and cirque evolution. Die Vergletscherung des Riesengebirges zur Eiszeit. Cirque morphometry in the Canadian Cordillera.
Annals of the As- Landes und Folkskunde 8 2— Die Eiszeit im Bayerischen Wald. Abhandlungen der Geolo- Vilborg, L. The cirque forms of Swedish Lapland.
Cirque - Wikipedia
Dissertation, Univerzita Karlova, Praha. Comparison of glacial relief landforms and the factors Raab, T. Regensburger Geographische Schriften 32, 1— Moravian Geographical Reports 17 Raab, T. Late Pleistocene glaciation of the Kleiner Arbersee area in the 22— Bavarian Forest, south Germany.
Quaternary Science Reviews 22, — Hypothesis for the last stage Rasemann, S. Carolinae-Geographica XVI 255— Many glacial cirques contain tarns dammed by either till debris or a bedrock threshold. When enough snow accumulates it can flow out the opening of the bowl and form valley glaciers which may be several kilometers long.
These areas are sheltered from heat, encouraging the accumulation of snow; if the accumulation of snow increases, the snow turns into glacial ice. The process of nivation follows, whereby a hollow in a slope may be enlarged by ice segregation weathering and glacial erosion. Ice segregation erodes the rock vertical rock face and causes it to disintegrate, which may result in an avalanche bringing down more snow and rock to add to the growing glacier. The enlarging of this open ended concavity creates a larger leeward deposition zone, furthering the process of glaciation.
The Lower Curtis Glacier in North Cascades National Park is a well-developed cirque glacier ; if the glacier continues to retreat and melt away, a lake may form in the basin Eventually, the hollow may become a large bowl shape in the side of the mountain, with the headwall being weathered by ice segregation, and as well as being eroded by plucking.
The basin will become deeper as it continues to be eroded by ice segregation and abrasion. A bergschrund forms when the movement of the glacier separates the moving ice from the stationary ice forming a crevasse.
The temperature within the bergschrund changes very little, however, studies have shown that ice segregation frost shattering may happen with only small changes in temperature.